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TVM: Learning-based Learning Systems
Tianqi ChenPaul G. Allen School of Computer Science & Engineering
University of Washington
Machine Learning is Everywhere
Machine Learning is Everywhere
Machine Learning is Everywhere
Machine Learning is Everywhere
Abbreviated History of Machine Learning
Based on personal view
Abbreviated History of Machine Learning
1960
Based on personal view
Abbreviated History of Machine Learning
1960Research
Based on personal view
Abbreviated History of Machine Learning
1960ResearchLSTM
ConvNet GBMSVM
Based on personal view
Abbreviated History of Machine Learning
1960ResearchLSTM
ConvNet GBMSVM
2000
Based on personal view
Abbreviated History of Machine Learning
1960
Data
ResearchLSTMConvNet GBMSVM
2000
Based on personal view
Abbreviated History of Machine Learning
1960
Data
ResearchLSTMConvNet GBMSVM
2000 MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
ResearchLSTMConvNet GBMSVM
2000 MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
ResearchLSTMConvNet GBMSVM
2000 MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
ResearchLSTMConvNet GBMSVM
2000
2006
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2006
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2006
Public Cloud
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2006
Public Cloud
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2006
Public Cloud
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2010
2006
Public Cloud
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2010
2006
Public Cloud
ML Systems
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2010
2006
Public Cloud
ML Systems
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2010
2006
Public Cloud
ML Systems
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2010
2006
Public Cloud
ML Systems
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2010
2006
Public Cloud
ML Systems
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2010
2006
Public Cloud
ML Systems
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2010
2006
Public Cloud
ML Systems
MTurk
Based on personal view
Abbreviated History of Machine Learning
1960
Data
Hardware
ResearchLSTMConvNet GBMSVM
2000
2010
2006
Public Cloud
ML Systems
MTurk
Based on personal view
Learning Systems
Data science for everyone
Scale up deep learning
Deploy AI everywhere
Learning Systems
Data science for everyone
Scale up deep learning
Deploy AI everywhere
Accessible and scalable learning systems
Learning Systems
Data science for everyone
Scale up deep learning
Deploy AI everywhere
Accessible and scalable learning systems
Current Learning Systems
Systems
Current Learning Systems
Systems Machine Learning
Enables
Current Learning Systems
Systems Machine Learning
Enables
Optimize
Current Learning Systems
Systems Machine Learning
Enables
Optimize
Me
Current Learning Systems
Systems Machine Learning
Enables
Optimize
Me
Can we use ML to optimize systems
Learning-based Learning Systems
Machine LearningSystems
Enables
Learning-based Learning Systems
Machine LearningSystems
Enables
Optimizes
Learning-based Learning Systems
Machine LearningSystems
Enables
Optimizes
My Research
Data science for everyone
Scale up deep learning
Deploy AI everywhere
TVM: An Automated End-to-End Optimizing Compiler for Deep Learning. Chen et al. OSDI 18
Learning to Optimize Tensor Programs. Chen et al. NeurIPS 18
My Research
Data science for everyone
Scale up deep learning
Deploy AI everywhere
TVM: An Automated End-to-End Optimizing Compiler for Deep Learning. Chen et al. OSDI 18
Learning to Optimize Tensor Programs. Chen et al. NeurIPS 18
TVM: Learning-based Learning System
Why do we need machine learning for systems
How to build intelligent systems with learning
End to end learning-based learning system stack
TVM: Learning-based Learning System
Why do we need machine learning for systems
How to build intelligent systems with learning
End to end learning-based learning system stack
Problem: Deep Learning Deployment
Model
Hardware Backends
Problem: Deep Learning Deployment
Model
Hardware Backends
Deploy
How did I Start to Work on This Problem?
Acclerator
How did I Start to Work on This Problem?
Acclerator
How did I Start to Work on This Problem?
Acclerator
// Pseudo-code for convolution program for the VIA accelerator// Virtual Thread 00x00: LOAD(PARAM[ 0-71]) // LD@TID00x01: LOAD(ACTIV[ 0-24]) // LD@TID00x02: LOAD(LDBUF[ 0-31]) // LD@TID00x03: PUSH(LD->EX) // LD@TID00x04: POP (LD->EX) // EX@TID00x05: EXE (ACTIV[ 0-24],PARAM[ 0-71],LDBUF[ 0-31],STBUF[ 0- 7]) // EX@TID00x06: PUSH(EX->LD) // EX@TID00x07: PUSH(EX->ST) // EX@TID00x08: POP (EX->ST) // ST@TID00x09: STOR(STBUF[ 0- 7]) // ST@TID00x0A: PUSH(ST->EX) // ST@TID0// Virtual Thread 10x0B: LOAD(ACTIV[25-50]) // LD@TID10x0C: LOAD(LDBUF[32-63]) // LD@TID10x0D: PUSH(LD->EX) // LD@TID10x0E: POP (LD->EX) // EX@TID10x0F: EXE (ACTIV[25-50],PARAM[ 0-71],LDBUF[32-63],STBUF[32-39]) // EX@TID10x10: PUSH(EX->LD) // EX@TID10x11: PUSH(EX->ST) // EX@TID10x12: POP (EX->ST) // ST@TID10x13: STOR(STBUF[32-39]) // ST@TID10x14: PUSH(ST->EX) // ST@TID1// Virtual Thread 20x15: POP (EX->LD) // LD@TID20x16: LOAD(PARAM[ 0-71]) // LD@TID20x17: LOAD(ACTIV[ 0-24]) // LD@TID20x18: LOAD(LDBUF[ 0-31]) // LD@TID20x19: PUSH(LD->EX) // LD@TID20x1A: POP (LD->EX) // EX@TID20x1B: POP (ST->EX) // EX@TID20x1C: EXE (ACTIV[ 0-24],PARAM[ 0-71],LDBUF[ 0-31],STBUF[ 0- 7]) // EX@TID20x1D: PUSH(EX->ST) // EX@TID20x1E: POP (EX->ST) // ST@TID20x1F: STOR(STBUF[ 0- 7]) // ST@TID2// Virtual Thread 30x20: POP (EX->LD) // LD@TID30x21: LOAD(ACTIV[25-50]) // LD@TID30x22: LOAD(LDBUF[32-63]) // LD@TID30x23: PUSH(LD->EX) // LD@TID30x24: POP (LD->EX) // EX@TID30x25: POP (ST->EX) // EX@TID20x26: EXE (ACTIV[25-50],PARAM[ 0-71],LDBUF[32-63],STBUF[32-39]) // EX@TID30x27: PUSH(EX->ST) // EX@TID30x28: POP (EX->ST) // ST@TID30x29: STOR(STBUF[32-39]) // ST@TID3
// Convolution access pattern dictated by micro-coded program.// Each register index is derived as a 2-D affine function.// e.g. idxrf = arfy+brfx+crf
0, where crf0 is specified by
// micro op 0 fields.for y in [0…i) for x in [0…j) rf[idxrf
0] += GEVM(act[idxact0], par[idxpar
0]) rf[idxrf
1] += GEVM(act[idxact1], par[idxpar
1]) … rf[idxrf
n] += GEVM(act[idxactn], par[idxpar
n])
(b) Convolution micro-coded program
// Max-pool, batch normalization and activation function// access pattern dictated by micro-coded program.// Each register index is derived as a 2D affine function.// e.g. idxdst = adsty+bdstx+cdst
0, where cdst0 is specified by
// micro op 0 fields.for y in [0…i) for x in [0…j) // max pooling rf[idxdst
0] = MAX(rf[idxdst0], rf[idxsrc
0]) rf[idxdst
1] = MAX(rf[idxdst1], rf[idxsrc
1]) … // batch norm rf[idxdst
m] = MUL(rf[idxdstm], rf[idxsrc
m]) rf[idxdst
m+1] = ADD(rf[idxdstm+1], rf[idxsrc
m+1]) rf[idxdst
m+2] = MUL(rf[idxdstm+2], rf[idxsrc
m+2]) rf[idxdst
m+3] = ADD(rf[idxdstm+3], rf[idxsrc
m+3]) … // activation rf[idxdst
n-1] = RELU(rf[idxdstn-1], rf[idxsrc
n-1]) rf[idxdst
n] = RELU(rf[idxdstn], rf[idxsrc
n])
(c) Max pool, batch norm and activationmicro-coded program
(a) Blocked convolution program with multiple thread contexts
How did I Start to Work on This Problem?
Frameworks
Deploy Deep Learning Everywhere
Hardware
Frameworks
Deploy Deep Learning Everywhere
Hardware
Frameworks
Deploy Deep Learning Everywhere
Hardware
Frameworks
Deploy Deep Learning Everywhere
Hardware
Frameworks
Deploy Deep Learning Everywhere
Hardware
Frameworks
Deploy Deep Learning Everywhere
Hardware
Frameworks
Deploy Deep Learning Everywhere
Hardware
Huge gap between model/frameworks and hardware backends
Frameworks
Deploy Deep Learning Everywhere
Hardware
Existing Deep Learning Frameworks
Hardware
Frameworks
Existing Deep Learning Frameworks
High-level data flow graph
Hardware
Frameworks
Existing Deep Learning Frameworks
High-level data flow graph
Hardware
Primitive Tensor operators such as Conv2D
Frameworks
Existing Deep Learning Frameworks
High-level data flow graph
Hardware
Primitive Tensor operators such as Conv2D
eg. cuDNN Offload to heavily optimized DNN operator library
Frameworks
Limitations of Existing Approach
cuDNN
Frameworks
Limitations of Existing Approach
cuDNN
Frameworks
Limitations of Existing Approach
cuDNN
Frameworks
Limitations of Existing Approach
cuDNN
Frameworks
Limitations of Existing Approach
cuDNN
Frameworks
Limitations of Existing Approach
cuDNN
Frameworks
New operator introduced by operator fusion optimization potential benefit: 1.5x speedup
Limitations of Existing Approach
cuDNN
Frameworks
New operator introduced by operator fusion optimization potential benefit: 1.5x speedup
Limitations of Existing Approach
cuDNN
Frameworks
New operator introduced by operator fusion optimization potential benefit: 1.5x speedup
Limitations of Existing Approach
cuDNN
Frameworks
New operator introduced by operator fusion optimization potential benefit: 1.5x speedup
Engineering intensive
Learning-based Learning System
High-level data flow graph and optimizations
Hardware
Frameworks
Learning-based Learning System
High-level data flow graph and optimizations
Hardware
Frameworks
Machine Learning based Program Optimizer
Learning-based Learning System
High-level data flow graph and optimizations
Hardware
Frameworks
Machine Learning based Program Optimizer
Learning-based Learning System
High-level data flow graph and optimizations
Directly generate optimized program for new operator workloads and hardware
Hardware
Frameworks
TVM: Learning-based Learning System
Why do we need machine learning for systems
How to build intelligent systems with learning
End to end learning-based learning system stack
Problem Setting
Problem Setting
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
Problem Setting
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
Search Space of Possible Program Optimizations
Problem Setting
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
Search Space of Possible Program Optimizations
for y in range(1024): for x in range(1024): C[y][x] = 0 for k in range(1024): C[y][x] += A[k][y] * B[k][x]
inp_buffer AL[8][8], BL[8][8]acc_buffer CL[8][8]for yo in range(128): for xo in range(128): vdla.fill_zero(CL) for ko in range(128): vdla.dma_copy2d(AL, A[ko*8:ko*8+8][yo*8:yo*8+8]) vdla.dma_copy2d(BL, B[ko*8:ko*8+8][xo*8:xo*8+8]) vdla.fused_gemm8x8_add(CL, AL, BL) vdla.dma_copy2d(C[yo*8:yo*8+8,xo*8:xo*8+8], CL)
for yo in range(128): for xo in range(128): C[yo*8:yo*8+8][xo*8:xo*8+8] = 0 for ko in range(128): for yi in range(8): for xi in range(8): for ki in range(8): C[yo*8+yi][xo*8+xi] += A[ko*8+ki][yo*8+yi] * B[ko*8+ki][xo*8+xi]
Low-level Program Variants
Example Instance in a Search Space
!18
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
Search Space of Possible Program Optimizations
Example Instance in a Search Space
!18
for y in range(1024): for x in range(1024): C[y][x] = 0 for k in range(1024): C[y][x] += A[k][y] * B[k][x]
Vanilla Code
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
Search Space of Possible Program Optimizations
Example Instance in a Search Space
!19
for yo in range(128): for xo in range(128): C[yo*8:yo*8+8][xo*8:xo*8+8] = 0 for ko in range(128): for yi in range(8): for xi in range(8): for ki in range(8): C[yo*8+yi][xo*8+xi] += A[ko*8+ki][yo*8+yi] * B[ko*8+ki][xo*8+xi]
Loop Tiling for Locality
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
Search Space of Possible Program Optimizations
Example Instance in a Search Space
!20
inp_buffer AL[8][8], BL[8][8]acc_buffer CL[8][8]for yo in range(128): for xo in range(128): vdla.fill_zero(CL) for ko in range(128): vdla.dma_copy2d(AL, A[ko*8:ko*8+8][yo*8:yo*8+8]) vdla.dma_copy2d(BL, B[ko*8:ko*8+8][xo*8:xo*8+8]) vdla.fused_gemm8x8_add(CL, AL, BL) vdla.dma_copy2d(C[yo*8:yo*8+8,xo*8:xo*8+8], CL)
Map to Accelerators
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
Search Space of Possible Program Optimizations
Optimization Choices in a Search Space
Loop Transformations
Thread Bindings
Cache Locality
Thread Cooperation Tensorization Latency
Hiding
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
More details about the search space in the second half of the talk
Optimization Choices in a Search Space
Loop Transformations
Thread Bindings
Cache Locality
Thread Cooperation Tensorization Latency
Hiding
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
More details about the search space in the second half of the talk
Optimization Choices in a Search Space
Loop Transformations
Thread Bindings
Cache Locality
Thread Cooperation Tensorization Latency
Hiding
Billions of possible optimization choices
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
More details about the search space in the second half of the talk
Problem Formalization
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Expression
Problem Formalization
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Expression AutoTVM
Problem Formalization
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Search SpaceSe<latexit sha1_base64="tAVAC9U/qBVzQqUzJzuAwTDLLCw=">AAAB9HicbVDLSgMxFL1TX7W+qi7dBIvgqsyIoMuiG5cV7QPaoWTS2zY0kxmTTKEM/Q43LhRx68e482/MtLPQ1gOBwzn3ck9OEAuujet+O4W19Y3NreJ2aWd3b/+gfHjU1FGiGDZYJCLVDqhGwSU2DDcC27FCGgYCW8H4NvNbE1SaR/LRTGP0QzqUfMAZNVbyuyE1I0ZF+jDrYa9ccavuHGSVeDmpQI56r/zV7UcsCVEaJqjWHc+NjZ9SZTgTOCt1E40xZWM6xI6lkoao/XQeekbOrNIng0jZJw2Zq783UhpqPQ0DO5mF1MteJv7ndRIzuPZTLuPEoGSLQ4NEEBORrAHS5wqZEVNLKFPcZiVsRBVlxvZUsiV4y19eJc2LqudWvfvLSu0mr6MIJ3AK5+DBFdTgDurQAAZP8Ayv8OZMnBfn3flYjBacfOcY/sD5/AEIKZJB</latexit><latexit sha1_base64="tAVAC9U/qBVzQqUzJzuAwTDLLCw=">AAAB9HicbVDLSgMxFL1TX7W+qi7dBIvgqsyIoMuiG5cV7QPaoWTS2zY0kxmTTKEM/Q43LhRx68e482/MtLPQ1gOBwzn3ck9OEAuujet+O4W19Y3NreJ2aWd3b/+gfHjU1FGiGDZYJCLVDqhGwSU2DDcC27FCGgYCW8H4NvNbE1SaR/LRTGP0QzqUfMAZNVbyuyE1I0ZF+jDrYa9ccavuHGSVeDmpQI56r/zV7UcsCVEaJqjWHc+NjZ9SZTgTOCt1E40xZWM6xI6lkoao/XQeekbOrNIng0jZJw2Zq783UhpqPQ0DO5mF1MteJv7ndRIzuPZTLuPEoGSLQ4NEEBORrAHS5wqZEVNLKFPcZiVsRBVlxvZUsiV4y19eJc2LqudWvfvLSu0mr6MIJ3AK5+DBFdTgDurQAAZP8Ayv8OZMnBfn3flYjBacfOcY/sD5/AEIKZJB</latexit><latexit sha1_base64="tAVAC9U/qBVzQqUzJzuAwTDLLCw=">AAAB9HicbVDLSgMxFL1TX7W+qi7dBIvgqsyIoMuiG5cV7QPaoWTS2zY0kxmTTKEM/Q43LhRx68e482/MtLPQ1gOBwzn3ck9OEAuujet+O4W19Y3NreJ2aWd3b/+gfHjU1FGiGDZYJCLVDqhGwSU2DDcC27FCGgYCW8H4NvNbE1SaR/LRTGP0QzqUfMAZNVbyuyE1I0ZF+jDrYa9ccavuHGSVeDmpQI56r/zV7UcsCVEaJqjWHc+NjZ9SZTgTOCt1E40xZWM6xI6lkoao/XQeekbOrNIng0jZJw2Zq783UhpqPQ0DO5mF1MteJv7ndRIzuPZTLuPEoGSLQ4NEEBORrAHS5wqZEVNLKFPcZiVsRBVlxvZUsiV4y19eJc2LqudWvfvLSu0mr6MIJ3AK5+DBFdTgDurQAAZP8Ayv8OZMnBfn3flYjBacfOcY/sD5/AEIKZJB</latexit><latexit sha1_base64="tAVAC9U/qBVzQqUzJzuAwTDLLCw=">AAAB9HicbVDLSgMxFL1TX7W+qi7dBIvgqsyIoMuiG5cV7QPaoWTS2zY0kxmTTKEM/Q43LhRx68e482/MtLPQ1gOBwzn3ck9OEAuujet+O4W19Y3NreJ2aWd3b/+gfHjU1FGiGDZYJCLVDqhGwSU2DDcC27FCGgYCW8H4NvNbE1SaR/LRTGP0QzqUfMAZNVbyuyE1I0ZF+jDrYa9ccavuHGSVeDmpQI56r/zV7UcsCVEaJqjWHc+NjZ9SZTgTOCt1E40xZWM6xI6lkoao/XQeekbOrNIng0jZJw2Zq783UhpqPQ0DO5mF1MteJv7ndRIzuPZTLuPEoGSLQ4NEEBORrAHS5wqZEVNLKFPcZiVsRBVlxvZUsiV4y19eJc2LqudWvfvLSu0mr6MIJ3AK5+DBFdTgDurQAAZP8Ayv8OZMnBfn3flYjBacfOcY/sD5/AEIKZJB</latexit>
Expression AutoTVM Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
Optimization Configuration
x = g(e, c)<latexit sha1_base64="3Iwz7sxhu2857QlhPoWgkaq4hyw=">AAAB8nicbVBNSwMxEM3Wr1q/qh69BItQQcquCHoRil48VrAfsF1KNs22odlkSWbFsvRnePGgiFd/jTf/jWm7B219MPB4b4aZeWEiuAHX/XYKK6tr6xvFzdLW9s7uXnn/oGVUqilrUiWU7oTEMMElawIHwTqJZiQOBWuHo9up335k2nAlH2CcsCAmA8kjTglYyX/C13hQZWeYnvbKFbfmzoCXiZeTCsrR6JW/un1F05hJoIIY43tuAkFGNHAq2KTUTQ1LCB2RAfMtlSRmJshmJ0/wiVX6OFLalgQ8U39PZCQ2ZhyHtjMmMDSL3lT8z/NTiK6CjMskBSbpfFGUCgwKT//Hfa4ZBTG2hFDN7a2YDokmFGxKJRuCt/jyMmmd1zy35t1fVOo3eRxFdISOURV56BLV0R1qoCaiSKFn9IreHHBenHfnY95acPKZQ/QHzucP3O+PqQ==</latexit><latexit sha1_base64="3Iwz7sxhu2857QlhPoWgkaq4hyw=">AAAB8nicbVBNSwMxEM3Wr1q/qh69BItQQcquCHoRil48VrAfsF1KNs22odlkSWbFsvRnePGgiFd/jTf/jWm7B219MPB4b4aZeWEiuAHX/XYKK6tr6xvFzdLW9s7uXnn/oGVUqilrUiWU7oTEMMElawIHwTqJZiQOBWuHo9up335k2nAlH2CcsCAmA8kjTglYyX/C13hQZWeYnvbKFbfmzoCXiZeTCsrR6JW/un1F05hJoIIY43tuAkFGNHAq2KTUTQ1LCB2RAfMtlSRmJshmJ0/wiVX6OFLalgQ8U39PZCQ2ZhyHtjMmMDSL3lT8z/NTiK6CjMskBSbpfFGUCgwKT//Hfa4ZBTG2hFDN7a2YDokmFGxKJRuCt/jyMmmd1zy35t1fVOo3eRxFdISOURV56BLV0R1qoCaiSKFn9IreHHBenHfnY95acPKZQ/QHzucP3O+PqQ==</latexit><latexit sha1_base64="3Iwz7sxhu2857QlhPoWgkaq4hyw=">AAAB8nicbVBNSwMxEM3Wr1q/qh69BItQQcquCHoRil48VrAfsF1KNs22odlkSWbFsvRnePGgiFd/jTf/jWm7B219MPB4b4aZeWEiuAHX/XYKK6tr6xvFzdLW9s7uXnn/oGVUqilrUiWU7oTEMMElawIHwTqJZiQOBWuHo9up335k2nAlH2CcsCAmA8kjTglYyX/C13hQZWeYnvbKFbfmzoCXiZeTCsrR6JW/un1F05hJoIIY43tuAkFGNHAq2KTUTQ1LCB2RAfMtlSRmJshmJ0/wiVX6OFLalgQ8U39PZCQ2ZhyHtjMmMDSL3lT8z/NTiK6CjMskBSbpfFGUCgwKT//Hfa4ZBTG2hFDN7a2YDokmFGxKJRuCt/jyMmmd1zy35t1fVOo3eRxFdISOURV56BLV0R1qoCaiSKFn9IreHHBenHfnY95acPKZQ/QHzucP3O+PqQ==</latexit><latexit sha1_base64="3Iwz7sxhu2857QlhPoWgkaq4hyw=">AAAB8nicbVBNSwMxEM3Wr1q/qh69BItQQcquCHoRil48VrAfsF1KNs22odlkSWbFsvRnePGgiFd/jTf/jWm7B219MPB4b4aZeWEiuAHX/XYKK6tr6xvFzdLW9s7uXnn/oGVUqilrUiWU7oTEMMElawIHwTqJZiQOBWuHo9up335k2nAlH2CcsCAmA8kjTglYyX/C13hQZWeYnvbKFbfmzoCXiZeTCsrR6JW/un1F05hJoIIY43tuAkFGNHAq2KTUTQ1LCB2RAfMtlSRmJshmJ0/wiVX6OFLalgQ8U39PZCQ2ZhyHtjMmMDSL3lT8z/NTiK6CjMskBSbpfFGUCgwKT//Hfa4ZBTG2hFDN7a2YDokmFGxKJRuCt/jyMmmd1zy35t1fVOo3eRxFdISOURV56BLV0R1qoCaiSKFn9IreHHBenHfnY95acPKZQ/QHzucP3O+PqQ==</latexit>
Problem Formalization
e<latexit sha1_base64="NPruYLn66/puOzAMtMM3tSFgc5w=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipiYNyxa26C5B14uWkAjkag/JXfxizNEJpmKBa9zw3MX5GleFM4KzUTzUmlE3oCHuWShqh9rPFoTNyYZUhCWNlSxqyUH9PZDTSehoFtjOiZqxXvbn4n9dLTXjjZ1wmqUHJlovCVBATk/nXZMgVMiOmllCmuL2VsDFVlBmbTcmG4K2+vE7aV1XPrXrN60r9No+jCGdwDpfgQQ3qcA8NaAEDhGd4hTfn0Xlx3p2PZWvByWdO4Q+czx/JbYzp</latexit><latexit 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Search SpaceSe<latexit sha1_base64="tAVAC9U/qBVzQqUzJzuAwTDLLCw=">AAAB9HicbVDLSgMxFL1TX7W+qi7dBIvgqsyIoMuiG5cV7QPaoWTS2zY0kxmTTKEM/Q43LhRx68e482/MtLPQ1gOBwzn3ck9OEAuujet+O4W19Y3NreJ2aWd3b/+gfHjU1FGiGDZYJCLVDqhGwSU2DDcC27FCGgYCW8H4NvNbE1SaR/LRTGP0QzqUfMAZNVbyuyE1I0ZF+jDrYa9ccavuHGSVeDmpQI56r/zV7UcsCVEaJqjWHc+NjZ9SZTgTOCt1E40xZWM6xI6lkoao/XQeekbOrNIng0jZJw2Zq783UhpqPQ0DO5mF1MteJv7ndRIzuPZTLuPEoGSLQ4NEEBORrAHS5wqZEVNLKFPcZiVsRBVlxvZUsiV4y19eJc2LqudWvfvLSu0mr6MIJ3AK5+DBFdTgDurQAAZP8Ayv8OZMnBfn3flYjBacfOcY/sD5/AEIKZJB</latexit><latexit sha1_base64="tAVAC9U/qBVzQqUzJzuAwTDLLCw=">AAAB9HicbVDLSgMxFL1TX7W+qi7dBIvgqsyIoMuiG5cV7QPaoWTS2zY0kxmTTKEM/Q43LhRx68e482/MtLPQ1gOBwzn3ck9OEAuujet+O4W19Y3NreJ2aWd3b/+gfHjU1FGiGDZYJCLVDqhGwSU2DDcC27FCGgYCW8H4NvNbE1SaR/LRTGP0QzqUfMAZNVbyuyE1I0ZF+jDrYa9ccavuHGSVeDmpQI56r/zV7UcsCVEaJqjWHc+NjZ9SZTgTOCt1E40xZWM6xI6lkoao/XQeekbOrNIng0jZJw2Zq783UhpqPQ0DO5mF1MteJv7ndRIzuPZTLuPEoGSLQ4NEEBORrAHS5wqZEVNLKFPcZiVsRBVlxvZUsiV4y19eJc2LqudWvfvLSu0mr6MIJ3AK5+DBFdTgDurQAAZP8Ayv8OZMnBfn3flYjBacfOcY/sD5/AEIKZJB</latexit><latexit sha1_base64="tAVAC9U/qBVzQqUzJzuAwTDLLCw=">AAAB9HicbVDLSgMxFL1TX7W+qi7dBIvgqsyIoMuiG5cV7QPaoWTS2zY0kxmTTKEM/Q43LhRx68e482/MtLPQ1gOBwzn3ck9OEAuujet+O4W19Y3NreJ2aWd3b/+gfHjU1FGiGDZYJCLVDqhGwSU2DDcC27FCGgYCW8H4NvNbE1SaR/LRTGP0QzqUfMAZNVbyuyE1I0ZF+jDrYa9ccavuHGSVeDmpQI56r/zV7UcsCVEaJqjWHc+NjZ9SZTgTOCt1E40xZWM6xI6lkoao/XQeekbOrNIng0jZJw2Zq783UhpqPQ0DO5mF1MteJv7ndRIzuPZTLuPEoGSLQ4NEEBORrAHS5wqZEVNLKFPcZiVsRBVlxvZUsiV4y19eJc2LqudWvfvLSu0mr6MIJ3AK5+DBFdTgDurQAAZP8Ayv8OZMnBfn3flYjBacfOcY/sD5/AEIKZJB</latexit><latexit sha1_base64="tAVAC9U/qBVzQqUzJzuAwTDLLCw=">AAAB9HicbVDLSgMxFL1TX7W+qi7dBIvgqsyIoMuiG5cV7QPaoWTS2zY0kxmTTKEM/Q43LhRx68e482/MtLPQ1gOBwzn3ck9OEAuujet+O4W19Y3NreJ2aWd3b/+gfHjU1FGiGDZYJCLVDqhGwSU2DDcC27FCGgYCW8H4NvNbE1SaR/LRTGP0QzqUfMAZNVbyuyE1I0ZF+jDrYa9ccavuHGSVeDmpQI56r/zV7UcsCVEaJqjWHc+NjZ9SZTgTOCt1E40xZWM6xI6lkoao/XQeekbOrNIng0jZJw2Zq783UhpqPQ0DO5mF1MteJv7ndRIzuPZTLuPEoGSLQ4NEEBORrAHS5wqZEVNLKFPcZiVsRBVlxvZUsiV4y19eJc2LqudWvfvLSu0mr6MIJ3AK5+DBFdTgDurQAAZP8Ayv8OZMnBfn3flYjBacfOcY/sD5/AEIKZJB</latexit>
Expression AutoTVM
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x
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Program
Cost: Execute Time
Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
Optimization Configuration
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Problem Formalization
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Search SpaceSe<latexit sha1_base64="tAVAC9U/qBVzQqUzJzuAwTDLLCw=">AAAB9HicbVDLSgMxFL1TX7W+qi7dBIvgqsyIoMuiG5cV7QPaoWTS2zY0kxmTTKEM/Q43LhRx68e482/MtLPQ1gOBwzn3ck9OEAuujet+O4W19Y3NreJ2aWd3b/+gfHjU1FGiGDZYJCLVDqhGwSU2DDcC27FCGgYCW8H4NvNbE1SaR/LRTGP0QzqUfMAZNVbyuyE1I0ZF+jDrYa9ccavuHGSVeDmpQI56r/zV7UcsCVEaJqjWHc+NjZ9SZTgTOCt1E40xZWM6xI6lkoao/XQeekbOrNIng0jZJw2Zq783UhpqPQ0DO5mF1MteJv7ndRIzuPZTLuPEoGSLQ4NEEBORrAHS5wqZEVNLKFPcZiVsRBVlxvZUsiV4y19eJc2LqudWvfvLSu0mr6MIJ3AK5+DBFdTgDurQAAZP8Ayv8OZMnBfn3flYjBacfOcY/sD5/AEIKZJB</latexit><latexit sha1_base64="tAVAC9U/qBVzQqUzJzuAwTDLLCw=">AAAB9HicbVDLSgMxFL1TX7W+qi7dBIvgqsyIoMuiG5cV7QPaoWTS2zY0kxmTTKEM/Q43LhRx68e482/MtLPQ1gOBwzn3ck9OEAuujet+O4W19Y3NreJ2aWd3b/+gfHjU1FGiGDZYJCLVDqhGwSU2DDcC27FCGgYCW8H4NvNbE1SaR/LRTGP0QzqUfMAZNVbyuyE1I0ZF+jDrYa9ccavuHGSVeDmpQI56r/zV7UcsCVEaJqjWHc+NjZ9SZTgTOCt1E40xZWM6xI6lkoao/XQeekbOrNIng0jZJw2Zq783UhpqPQ0DO5mF1MteJv7ndRIzuPZTLuPEoGSLQ4NEEBORrAHS5wqZEVNLKFPcZiVsRBVlxvZUsiV4y19eJc2LqudWvfvLSu0mr6MIJ3AK5+DBFdTgDurQAAZP8Ayv8OZMnBfn3flYjBacfOcY/sD5/AEIKZJB</latexit><latexit sha1_base64="tAVAC9U/qBVzQqUzJzuAwTDLLCw=">AAAB9HicbVDLSgMxFL1TX7W+qi7dBIvgqsyIoMuiG5cV7QPaoWTS2zY0kxmTTKEM/Q43LhRx68e482/MtLPQ1gOBwzn3ck9OEAuujet+O4W19Y3NreJ2aWd3b/+gfHjU1FGiGDZYJCLVDqhGwSU2DDcC27FCGgYCW8H4NvNbE1SaR/LRTGP0QzqUfMAZNVbyuyE1I0ZF+jDrYa9ccavuHGSVeDmpQI56r/zV7UcsCVEaJqjWHc+NjZ9SZTgTOCt1E40xZWM6xI6lkoao/XQeekbOrNIng0jZJw2Zq783UhpqPQ0DO5mF1MteJv7ndRIzuPZTLuPEoGSLQ4NEEBORrAHS5wqZEVNLKFPcZiVsRBVlxvZUsiV4y19eJc2LqudWvfvLSu0mr6MIJ3AK5+DBFdTgDurQAAZP8Ayv8OZMnBfn3flYjBacfOcY/sD5/AEIKZJB</latexit><latexit sha1_base64="tAVAC9U/qBVzQqUzJzuAwTDLLCw=">AAAB9HicbVDLSgMxFL1TX7W+qi7dBIvgqsyIoMuiG5cV7QPaoWTS2zY0kxmTTKEM/Q43LhRx68e482/MtLPQ1gOBwzn3ck9OEAuujet+O4W19Y3NreJ2aWd3b/+gfHjU1FGiGDZYJCLVDqhGwSU2DDcC27FCGgYCW8H4NvNbE1SaR/LRTGP0QzqUfMAZNVbyuyE1I0ZF+jDrYa9ccavuHGSVeDmpQI56r/zV7UcsCVEaJqjWHc+NjZ9SZTgTOCt1E40xZWM6xI6lkoao/XQeekbOrNIng0jZJw2Zq783UhpqPQ0DO5mF1MteJv7ndRIzuPZTLuPEoGSLQ4NEEBORrAHS5wqZEVNLKFPcZiVsRBVlxvZUsiV4y19eJc2LqudWvfvLSu0mr6MIJ3AK5+DBFdTgDurQAAZP8Ayv8OZMnBfn3flYjBacfOcY/sD5/AEIKZJB</latexit>
Expression AutoTVM
f(x)<latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit><latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit><latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit><latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit>
x
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Program
Cost: Execute Time
Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
Optimization Configuration
x = g(e, c)<latexit sha1_base64="3Iwz7sxhu2857QlhPoWgkaq4hyw=">AAAB8nicbVBNSwMxEM3Wr1q/qh69BItQQcquCHoRil48VrAfsF1KNs22odlkSWbFsvRnePGgiFd/jTf/jWm7B219MPB4b4aZeWEiuAHX/XYKK6tr6xvFzdLW9s7uXnn/oGVUqilrUiWU7oTEMMElawIHwTqJZiQOBWuHo9up335k2nAlH2CcsCAmA8kjTglYyX/C13hQZWeYnvbKFbfmzoCXiZeTCsrR6JW/un1F05hJoIIY43tuAkFGNHAq2KTUTQ1LCB2RAfMtlSRmJshmJ0/wiVX6OFLalgQ8U39PZCQ2ZhyHtjMmMDSL3lT8z/NTiK6CjMskBSbpfFGUCgwKT//Hfa4ZBTG2hFDN7a2YDokmFGxKJRuCt/jyMmmd1zy35t1fVOo3eRxFdISOURV56BLV0R1qoCaiSKFn9IreHHBenHfnY95acPKZQ/QHzucP3O+PqQ==</latexit><latexit sha1_base64="3Iwz7sxhu2857QlhPoWgkaq4hyw=">AAAB8nicbVBNSwMxEM3Wr1q/qh69BItQQcquCHoRil48VrAfsF1KNs22odlkSWbFsvRnePGgiFd/jTf/jWm7B219MPB4b4aZeWEiuAHX/XYKK6tr6xvFzdLW9s7uXnn/oGVUqilrUiWU7oTEMMElawIHwTqJZiQOBWuHo9up335k2nAlH2CcsCAmA8kjTglYyX/C13hQZWeYnvbKFbfmzoCXiZeTCsrR6JW/un1F05hJoIIY43tuAkFGNHAq2KTUTQ1LCB2RAfMtlSRmJshmJ0/wiVX6OFLalgQ8U39PZCQ2ZhyHtjMmMDSL3lT8z/NTiK6CjMskBSbpfFGUCgwKT//Hfa4ZBTG2hFDN7a2YDokmFGxKJRuCt/jyMmmd1zy35t1fVOo3eRxFdISOURV56BLV0R1qoCaiSKFn9IreHHBenHfnY95acPKZQ/QHzucP3O+PqQ==</latexit><latexit sha1_base64="3Iwz7sxhu2857QlhPoWgkaq4hyw=">AAAB8nicbVBNSwMxEM3Wr1q/qh69BItQQcquCHoRil48VrAfsF1KNs22odlkSWbFsvRnePGgiFd/jTf/jWm7B219MPB4b4aZeWEiuAHX/XYKK6tr6xvFzdLW9s7uXnn/oGVUqilrUiWU7oTEMMElawIHwTqJZiQOBWuHo9up335k2nAlH2CcsCAmA8kjTglYyX/C13hQZWeYnvbKFbfmzoCXiZeTCsrR6JW/un1F05hJoIIY43tuAkFGNHAq2KTUTQ1LCB2RAfMtlSRmJshmJ0/wiVX6OFLalgQ8U39PZCQ2ZhyHtjMmMDSL3lT8z/NTiK6CjMskBSbpfFGUCgwKT//Hfa4ZBTG2hFDN7a2YDokmFGxKJRuCt/jyMmmd1zy35t1fVOo3eRxFdISOURV56BLV0R1qoCaiSKFn9IreHHBenHfnY95acPKZQ/QHzucP3O+PqQ==</latexit><latexit sha1_base64="3Iwz7sxhu2857QlhPoWgkaq4hyw=">AAAB8nicbVBNSwMxEM3Wr1q/qh69BItQQcquCHoRil48VrAfsF1KNs22odlkSWbFsvRnePGgiFd/jTf/jWm7B219MPB4b4aZeWEiuAHX/XYKK6tr6xvFzdLW9s7uXnn/oGVUqilrUiWU7oTEMMElawIHwTqJZiQOBWuHo9up335k2nAlH2CcsCAmA8kjTglYyX/C13hQZWeYnvbKFbfmzoCXiZeTCsrR6JW/un1F05hJoIIY43tuAkFGNHAq2KTUTQ1LCB2RAfMtlSRmJshmJ0/wiVX6OFLalgQ8U39PZCQ2ZhyHtjMmMDSL3lT8z/NTiK6CjMskBSbpfFGUCgwKT//Hfa4ZBTG2hFDN7a2YDokmFGxKJRuCt/jyMmmd1zy35t1fVOo3eRxFdISOURV56BLV0R1qoCaiSKFn9IreHHBenHfnY95acPKZQ/QHzucP3O+PqQ==</latexit>
Objective argminc2Sef(g(e, c))<latexit sha1_base64="ZCHsWwERxsuuK3AxdLGw0zZnNkw=">AAACB3icbVDLSsNAFJ3UV62vqktBBovQipREBF0W3bisaB/QhDCZ3rRDJ5MwMxFK6M6Nv+LGhSJu/QV3/o3Tx0JbD1w4nHMv994TJJwpbdvfVm5peWV1Lb9e2Njc2t4p7u41VZxKCg0a81i2A6KAMwENzTSHdiKBRAGHVjC4HvutB5CKxeJeDxPwItITLGSUaCP5xUMie+5JxISfUZcJfOfDCIflXhlOMa1U/GLJrtoT4EXizEgJzVD3i19uN6ZpBEJTTpTqOHaivYxIzSiHUcFNFSSEDkgPOoYKEoHysskfI3xslC4OY2lKaDxRf09kJFJqGAWmMyK6r+a9sfif10l1eOllTCSpBkGni8KUYx3jcSi4yyRQzYeGECqZuRXTPpGEahNdwYTgzL+8SJpnVceuOrfnpdrVLI48OkBHqIwcdIFq6AbVUQNR9Iie0St6s56sF+vd+pi25qzZzD76A+vzB1DOl6I=</latexit><latexit sha1_base64="ZCHsWwERxsuuK3AxdLGw0zZnNkw=">AAACB3icbVDLSsNAFJ3UV62vqktBBovQipREBF0W3bisaB/QhDCZ3rRDJ5MwMxFK6M6Nv+LGhSJu/QV3/o3Tx0JbD1w4nHMv994TJJwpbdvfVm5peWV1Lb9e2Njc2t4p7u41VZxKCg0a81i2A6KAMwENzTSHdiKBRAGHVjC4HvutB5CKxeJeDxPwItITLGSUaCP5xUMie+5JxISfUZcJfOfDCIflXhlOMa1U/GLJrtoT4EXizEgJzVD3i19uN6ZpBEJTTpTqOHaivYxIzSiHUcFNFSSEDkgPOoYKEoHysskfI3xslC4OY2lKaDxRf09kJFJqGAWmMyK6r+a9sfif10l1eOllTCSpBkGni8KUYx3jcSi4yyRQzYeGECqZuRXTPpGEahNdwYTgzL+8SJpnVceuOrfnpdrVLI48OkBHqIwcdIFq6AbVUQNR9Iie0St6s56sF+vd+pi25qzZzD76A+vzB1DOl6I=</latexit><latexit sha1_base64="ZCHsWwERxsuuK3AxdLGw0zZnNkw=">AAACB3icbVDLSsNAFJ3UV62vqktBBovQipREBF0W3bisaB/QhDCZ3rRDJ5MwMxFK6M6Nv+LGhSJu/QV3/o3Tx0JbD1w4nHMv994TJJwpbdvfVm5peWV1Lb9e2Njc2t4p7u41VZxKCg0a81i2A6KAMwENzTSHdiKBRAGHVjC4HvutB5CKxeJeDxPwItITLGSUaCP5xUMie+5JxISfUZcJfOfDCIflXhlOMa1U/GLJrtoT4EXizEgJzVD3i19uN6ZpBEJTTpTqOHaivYxIzSiHUcFNFSSEDkgPOoYKEoHysskfI3xslC4OY2lKaDxRf09kJFJqGAWmMyK6r+a9sfif10l1eOllTCSpBkGni8KUYx3jcSi4yyRQzYeGECqZuRXTPpGEahNdwYTgzL+8SJpnVceuOrfnpdrVLI48OkBHqIwcdIFq6AbVUQNR9Iie0St6s56sF+vd+pi25qzZzD76A+vzB1DOl6I=</latexit><latexit sha1_base64="ZCHsWwERxsuuK3AxdLGw0zZnNkw=">AAACB3icbVDLSsNAFJ3UV62vqktBBovQipREBF0W3bisaB/QhDCZ3rRDJ5MwMxFK6M6Nv+LGhSJu/QV3/o3Tx0JbD1w4nHMv994TJJwpbdvfVm5peWV1Lb9e2Njc2t4p7u41VZxKCg0a81i2A6KAMwENzTSHdiKBRAGHVjC4HvutB5CKxeJeDxPwItITLGSUaCP5xUMie+5JxISfUZcJfOfDCIflXhlOMa1U/GLJrtoT4EXizEgJzVD3i19uN6ZpBEJTTpTqOHaivYxIzSiHUcFNFSSEDkgPOoYKEoHysskfI3xslC4OY2lKaDxRf09kJFJqGAWmMyK6r+a9sfif10l1eOllTCSpBkGni8KUYx3jcSi4yyRQzYeGECqZuRXTPpGEahNdwYTgzL+8SJpnVceuOrfnpdrVLI48OkBHqIwcdIFq6AbVUQNR9Iie0St6s56sF+vd+pi25qzZzD76A+vzB1DOl6I=</latexit>
Black-box OptimizationTry each configuration until we find a good one
e<latexit sha1_base64="NPruYLn66/puOzAMtMM3tSFgc5w=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipiYNyxa26C5B14uWkAjkag/JXfxizNEJpmKBa9zw3MX5GleFM4KzUTzUmlE3oCHuWShqh9rPFoTNyYZUhCWNlSxqyUH9PZDTSehoFtjOiZqxXvbn4n9dLTXjjZ1wmqUHJlovCVBATk/nXZMgVMiOmllCmuL2VsDFVlBmbTcmG4K2+vE7aV1XPrXrN60r9No+jCGdwDpfgQQ3qcA8NaAEDhGd4hTfn0Xlx3p2PZWvByWdO4Q+czx/JbYzp</latexit><latexit 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Search Space
Expression AutoTVM
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Black-box OptimizationTry each configuration until we find a good one
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Search Space
Expression AutoTVM Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
x
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Black-box OptimizationTry each configuration until we find a good one
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Expression AutoTVM Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
x
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Black-box OptimizationTry each configuration until we find a good one
Challenge: lots of experimental trials, each trial costs ~1 second
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Search Space
Expression AutoTVM Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
x
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Cost-model Driven ApproachUse cost model to pick configuration
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Search Space
Expression AutoTVM
Cost-model Driven ApproachUse cost model to pick configuration
Cost Model
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Search Space
Expression AutoTVM
Cost-model Driven ApproachUse cost model to pick configuration
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Cost Model
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Search Space
Expression AutoTVM
Cost-model Driven ApproachUse cost model to pick configuration
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Cost Model
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Expression AutoTVM Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
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Cost-model Driven ApproachUse cost model to pick configuration
Challenge: Need reliable cost model per hardware
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Cost Model
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Expression AutoTVM Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
x
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Statistical Cost ModelUse machine learning to learn a statistical cost model
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Search Space
Expression AutoTVM
Statistical Cost ModelUse machine learning to learn a statistical cost model
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Expression AutoTVM Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
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Statistical Cost ModelUse machine learning to learn a statistical cost model
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Search Space
Expression AutoTVM Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
x
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Training data
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Statistical Cost ModelUse machine learning to learn a statistical cost model
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Expression AutoTVM Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
x
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D<latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit>
Training data
f(x)<latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit><latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit><latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit><latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit>
Statistical Cost Model
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learningf̂(e, c)
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Statistical Cost ModelUse machine learning to learn a statistical cost model
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Search Space
Expression AutoTVM Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
x
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Training data
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Benefit: Automatically adapt to hardware type
Statistical Cost Model
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learningf̂(e, c)
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Statistical Cost ModelUse machine learning to learn a statistical cost model
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Expression AutoTVM Code Generatorc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
x
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D<latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit>
Training data
f(x)<latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit><latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit><latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit><latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit>
Benefit: Automatically adapt to hardware type
Statistical Cost Model
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learningf̂(e, c)
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Challenge: How to design the cost model
Unique Problem Characteristics
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Search Space
Expression AutoTVM Code Generatorc
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x
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Training data
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Statistical Cost Model
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learningf̂(e, c)
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Unique Problem Characteristics
Relatively low experiment cost
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Expression AutoTVM Code Generatorc
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x
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D<latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit>
Training data
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Statistical Cost Model
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learningf̂(e, c)
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Unique Problem Characteristics
Relatively low experiment cost
Program-aware modeling
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Search Space
Expression AutoTVM Code Generatorc
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x
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Training data
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Statistical Cost Model
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learningf̂(e, c)
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Unique Problem Characteristics
Large number of similar tasks
Relatively low experiment cost
Program-aware modeling
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Expression AutoTVM Code Generatorc
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x
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D<latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit>
Training data
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Statistical Cost Model
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learningf̂(e, c)
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Unique Problem Characteristics
Large number of similar tasks
Relatively low experiment cost
Program-aware modeling
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Search Space
Expression AutoTVM Code Generatorc
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x
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Training data
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Statistical Cost Model
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learningf̂(e, c)
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Vanilla Cost ModelingHigh-level
Configurationsc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
Vanilla Cost ModelingHigh-level
Configurationsc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
size/order of loops, threading choices,
memory scope, …
Vanilla Cost ModelingHigh-level
Configurationsc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
size/order of loops, threading choices,
memory scope, …
Feature Vector
Flatten as feature vector
Vanilla Cost ModelingHigh-level
Configurations
Your Favorite Model
+ +
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size/order of loops, threading choices,
memory scope, …
Feature Vector
Flatten as feature vector
Vanilla Cost ModelingHigh-level
Configurations
Your Favorite Model
+ +
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size/order of loops, threading choices,
memory scope, …
Feature Vector
Flatten as feature vector
Drawback: Ignores domain knowledge Set of configurations can differ per task (task dependent)
Program-aware Modeling: Tree-based Approach
High-level Configurationsc
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Program-aware Modeling: Tree-based Approach
High-level Configurations
for y in range(8): for x in range(8): C[y][x]=0 for k in range(8): C[y][x]+=A[k][y]*B[k][x]
Low-level Abstract Syntax Tree (AST)
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Program-aware Modeling: Tree-based Approach
High-level Configurations
for y in range(8): for x in range(8): C[y][x]=0 for k in range(8): C[y][x]+=A[k][y]*B[k][x]
Low-level Abstract Syntax Tree (AST)
C A By 64 64 64x 8 8 64k 1 8 8
y 1x 8k 64
touched memory
outer looplength
Statistical features of AST
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Program-aware Modeling: Tree-based Approach
High-level Configurations
for y in range(8): for x in range(8): C[y][x]=0 for k in range(8): C[y][x]+=A[k][y]*B[k][x]
Low-level Abstract Syntax Tree (AST)
C A By 64 64 64x 8 8 64k 1 8 8
y 1x 8k 64
touched memory
outer looplength
Statistical features of AST
Your Favorite Model
+ +
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Program-aware Modeling: Tree-based Approach
High-level Configurations
for y in range(8): for x in range(8): C[y][x]=0 for k in range(8): C[y][x]+=A[k][y]*B[k][x]
Low-level Abstract Syntax Tree (AST)
C A By 64 64 64x 8 8 64k 1 8 8
y 1x 8k 64
touched memory
outer looplength
Statistical features of AST
Your Favorite Model
+ +
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Benefit: low-level AST is a common representation (task invariant)
Program-aware Modeling: Neural Approach
High-level Configurations
for y in range(8): for x in range(8): C[y][x]=0 for k in range(8): C[y][x]+=A[k][y]*B[k][x]
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Low-level Abstract Syntax Tree (AST)
Program-aware Modeling: Neural Approach
High-level Configurations
for y in range(8): for x in range(8): C[y][x]=0 for k in range(8): C[y][x]+=A[k][y]*B[k][x]
for
context vec of x
for
for
context vec of y
context vec of k
+
soft scatter
finalembedding
TreeGRU on ASTc<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
Low-level Abstract Syntax Tree (AST)
Comparisons of Models
Task Invariant Time Cost Predictive Accuracy
Vanilla Model No Low Medium
Tree-based Model Yes Low Good
Neural Model Yes High Good
Comparisons of Models
Task Invariant Time Cost Predictive Accuracy
Vanilla Model No Low Medium
Tree-based Model Yes Low Good
Neural Model Yes High Good
Choose tree-based model by default
0 100 200 300 400 500 600 700 8000.00
0.25
0.50
0.75
1.00
1.25
1.50
Effectiveness of ML based Model
0 100 200 300 400 500 600 700 8000.00
0.25
0.50
0.75
1.00
1.25
1.50
Effectiveness of ML based Model
One Conv2D Layer of ResNet18 on Titan X
0 100 200 300 400 500 600 700 8000.00
0.25
0.50
0.75
1.00
1.25
1.50
Effectiveness of ML based Model
Number of Trials
One Conv2D Layer of ResNet18 on Titan X
0 100 200 300 400 500 600 700 8000.00
0.25
0.50
0.75
1.00
1.25
1.50
Effectiveness of ML based Model
Number of Trials
One Conv2D Layer of ResNet18 on Titan X
Rela
tive
Spee
dup
Baseline: CuDNN
0 100 200 300 400 500 600 700 8000.00
0.25
0.50
0.75
1.00
1.25
1.50
Effectiveness of ML based Model
Number of Trials
One Conv2D Layer of ResNet18 on Titan X
AutoTVM: Black-box OptimizationRe
lativ
e Sp
eedu
p
Baseline: CuDNN
0 100 200 300 400 500 600 700 8000.00
0.25
0.50
0.75
1.00
1.25
1.50
Effectiveness of ML based Model
One Conv2D Layer of ResNet18 on Titan X
AutoTVM: ML-based Model
Number of Trials
AutoTVM: Black-box OptimizationRe
lativ
e Sp
eedu
p
Baseline: CuDNN
Comparisons of Models
Task Invariant Time Cost Predictive Accuracy
Vanilla Model No Low Medium
Tree-based Model Yes Low Good
Neural Model Yes High Good
Comparisons of Models
Task Invariant Time Cost Predictive Accuracy
Vanilla Model No Low Medium
Tree-based Model Yes Low Good
Neural Model Yes High Good
Unique Problem Characteristics
Large number of similar tasks
Relatively low experiment cost
Program-aware modeling
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Search Space
Expression AutoTVM Code Generatorc
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x
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Training data
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Statistical Cost Model
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learningf̂(e, c)
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Transferable Cost Model
Search Space
Expression AutoTVM Code Generatorc
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x
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Transferable Cost Model
Search Space
Expression AutoTVM Code Generatorc
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x
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Historical data from related operators (tasks)
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Transferable Cost Model
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Expression AutoTVM Code Generatorc
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x
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D<latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit>
Historical data from related operators (tasks)
e1<latexit sha1_base64="XOUd54x+Zz46yvez4JIotdXxwuo=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48V7Ae0oWy2k3bp7ibsboQS+he8eFDEq3/Im//GpM1BWx8MPN6bYWZeEAturOt+O6WNza3tnfJuZW//4PCoenzSMVGiGbZZJCLdC6hBwRW2LbcCe7FGKgOB3WB6l/vdJ9SGR+rRzmL0JR0rHnJGbS7h0KsMqzW37i5A1olXkBoUaA2rX4NRxBKJyjJBjel7bmz9lGrLmcB5ZZAYjCmb0jH2M6qoROOni1vn5CJTRiSMdFbKkoX6eyKl0piZDLJOSe3ErHq5+J/XT2x446dcxYlFxZaLwkQQG5H8cTLiGpkVs4xQpnl2K2ETqimzWTx5CN7qy+ukc1X33Lr3cF1r3hZxlOEMzuESPGhAE+6hBW1gMIFneIU3RzovzrvzsWwtOcXMKfyB8/kDI8ONoQ==</latexit><latexit sha1_base64="XOUd54x+Zz46yvez4JIotdXxwuo=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48V7Ae0oWy2k3bp7ibsboQS+he8eFDEq3/Im//GpM1BWx8MPN6bYWZeEAturOt+O6WNza3tnfJuZW//4PCoenzSMVGiGbZZJCLdC6hBwRW2LbcCe7FGKgOB3WB6l/vdJ9SGR+rRzmL0JR0rHnJGbS7h0KsMqzW37i5A1olXkBoUaA2rX4NRxBKJyjJBjel7bmz9lGrLmcB5ZZAYjCmb0jH2M6qoROOni1vn5CJTRiSMdFbKkoX6eyKl0piZDLJOSe3ErHq5+J/XT2x446dcxYlFxZaLwkQQG5H8cTLiGpkVs4xQpnl2K2ETqimzWTx5CN7qy+ukc1X33Lr3cF1r3hZxlOEMzuESPGhAE+6hBW1gMIFneIU3RzovzrvzsWwtOcXMKfyB8/kDI8ONoQ==</latexit><latexit sha1_base64="XOUd54x+Zz46yvez4JIotdXxwuo=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48V7Ae0oWy2k3bp7ibsboQS+he8eFDEq3/Im//GpM1BWx8MPN6bYWZeEAturOt+O6WNza3tnfJuZW//4PCoenzSMVGiGbZZJCLdC6hBwRW2LbcCe7FGKgOB3WB6l/vdJ9SGR+rRzmL0JR0rHnJGbS7h0KsMqzW37i5A1olXkBoUaA2rX4NRxBKJyjJBjel7bmz9lGrLmcB5ZZAYjCmb0jH2M6qoROOni1vn5CJTRiSMdFbKkoX6eyKl0piZDLJOSe3ErHq5+J/XT2x446dcxYlFxZaLwkQQG5H8cTLiGpkVs4xQpnl2K2ETqimzWTx5CN7qy+ukc1X33Lr3cF1r3hZxlOEMzuESPGhAE+6hBW1gMIFneIU3RzovzrvzsWwtOcXMKfyB8/kDI8ONoQ==</latexit><latexit sha1_base64="XOUd54x+Zz46yvez4JIotdXxwuo=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48V7Ae0oWy2k3bp7ibsboQS+he8eFDEq3/Im//GpM1BWx8MPN6bYWZeEAturOt+O6WNza3tnfJuZW//4PCoenzSMVGiGbZZJCLdC6hBwRW2LbcCe7FGKgOB3WB6l/vdJ9SGR+rRzmL0JR0rHnJGbS7h0KsMqzW37i5A1olXkBoUaA2rX4NRxBKJyjJBjel7bmz9lGrLmcB5ZZAYjCmb0jH2M6qoROOni1vn5CJTRiSMdFbKkoX6eyKl0piZDLJOSe3ErHq5+J/XT2x446dcxYlFxZaLwkQQG5H8cTLiGpkVs4xQpnl2K2ETqimzWTx5CN7qy+ukc1X33Lr3cF1r3hZxlOEMzuESPGhAE+6hBW1gMIFneIU3RzovzrvzsWwtOcXMKfyB8/kDI8ONoQ==</latexit>
Se1<latexit sha1_base64="S3wLawgxEK+jZJ/7efPwhwug0jQ=">AAAB73icbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8eKthbaEDbbabt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvTATXxnW/ndLK6tr6RnmzsrW9s7tX3T9o6zhVDFssFrHqhFSj4BJbhhuBnUQhjUKBD+H4OvcfnlBpHst7M0nQj+hQ8gFn1FipcxdkGHjTSlCtuXV3BrJMvILUoEAzqH71+jFLI5SGCap113MT42dUGc4ETiu9VGNC2ZgOsWuppBFqP5vdOyUnVumTQaxsSUNm6u+JjEZaT6LQdkbUjPSil4v/ed3UDC79jMskNSjZfNEgFcTEJH+e9LlCZsTEEsoUt7cSNqKKMmMjykPwFl9eJu2zuufWvdvzWuOqiKMMR3AMp+DBBTTgBprQAgYCnuEV3pxH58V5dz7mrSWnmDmEP3A+fwBFpI9z</latexit><latexit sha1_base64="S3wLawgxEK+jZJ/7efPwhwug0jQ=">AAAB73icbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8eKthbaEDbbabt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvTATXxnW/ndLK6tr6RnmzsrW9s7tX3T9o6zhVDFssFrHqhFSj4BJbhhuBnUQhjUKBD+H4OvcfnlBpHst7M0nQj+hQ8gFn1FipcxdkGHjTSlCtuXV3BrJMvILUoEAzqH71+jFLI5SGCap113MT42dUGc4ETiu9VGNC2ZgOsWuppBFqP5vdOyUnVumTQaxsSUNm6u+JjEZaT6LQdkbUjPSil4v/ed3UDC79jMskNSjZfNEgFcTEJH+e9LlCZsTEEsoUt7cSNqKKMmMjykPwFl9eJu2zuufWvdvzWuOqiKMMR3AMp+DBBTTgBprQAgYCnuEV3pxH58V5dz7mrSWnmDmEP3A+fwBFpI9z</latexit><latexit sha1_base64="S3wLawgxEK+jZJ/7efPwhwug0jQ=">AAAB73icbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8eKthbaEDbbabt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvTATXxnW/ndLK6tr6RnmzsrW9s7tX3T9o6zhVDFssFrHqhFSj4BJbhhuBnUQhjUKBD+H4OvcfnlBpHst7M0nQj+hQ8gFn1FipcxdkGHjTSlCtuXV3BrJMvILUoEAzqH71+jFLI5SGCap113MT42dUGc4ETiu9VGNC2ZgOsWuppBFqP5vdOyUnVumTQaxsSUNm6u+JjEZaT6LQdkbUjPSil4v/ed3UDC79jMskNSjZfNEgFcTEJH+e9LlCZsTEEsoUt7cSNqKKMmMjykPwFl9eJu2zuufWvdvzWuOqiKMMR3AMp+DBBTTgBprQAgYCnuEV3pxH58V5dz7mrSWnmDmEP3A+fwBFpI9z</latexit><latexit sha1_base64="S3wLawgxEK+jZJ/7efPwhwug0jQ=">AAAB73icbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8eKthbaEDbbabt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvTATXxnW/ndLK6tr6RnmzsrW9s7tX3T9o6zhVDFssFrHqhFSj4BJbhhuBnUQhjUKBD+H4OvcfnlBpHst7M0nQj+hQ8gFn1FipcxdkGHjTSlCtuXV3BrJMvILUoEAzqH71+jFLI5SGCap113MT42dUGc4ETiu9VGNC2ZgOsWuppBFqP5vdOyUnVumTQaxsSUNm6u+JjEZaT6LQdkbUjPSil4v/ed3UDC79jMskNSjZfNEgFcTEJH+e9LlCZsTEEsoUt7cSNqKKMmMjykPwFl9eJu2zuufWvdvzWuOqiKMMR3AMp+DBBTTgBprQAgYCnuEV3pxH58V5dz7mrSWnmDmEP3A+fwBFpI9z</latexit>
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Expression
AutoTVMSe2<latexit sha1_base64="1FXoR9IIvaT9pVkaZXkhWSH494c=">AAAB73icbVBNS8NAEJ3Ur1q/qh69BIvgqSRF0GPRi8eK9gPaEDbbSbt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvSDhT2nG+rdLa+sbmVnm7srO7t39QPTzqqDiVFNs05rHsBUQhZwLbmmmOvUQiiQKO3WByk/vdJ5SKxeJBTxP0IjISLGSUaCP17v0M/cas4ldrTt2Zw14lbkFqUKDlV78Gw5imEQpNOVGq7zqJ9jIiNaMcZ5VBqjAhdEJG2DdUkAiVl83vndlnRhnaYSxNCW3P1d8TGYmUmkaB6YyIHqtlLxf/8/qpDq+8jIkk1SjoYlGYclvHdv68PWQSqeZTQwiVzNxq0zGRhGoTUR6Cu/zyKuk06q5Td+8uas3rIo4ynMApnIMLl9CEW2hBGyhweIZXeLMerRfr3fpYtJasYuYY/sD6/AFHKo90</latexit><latexit sha1_base64="1FXoR9IIvaT9pVkaZXkhWSH494c=">AAAB73icbVBNS8NAEJ3Ur1q/qh69BIvgqSRF0GPRi8eK9gPaEDbbSbt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvSDhT2nG+rdLa+sbmVnm7srO7t39QPTzqqDiVFNs05rHsBUQhZwLbmmmOvUQiiQKO3WByk/vdJ5SKxeJBTxP0IjISLGSUaCP17v0M/cas4ldrTt2Zw14lbkFqUKDlV78Gw5imEQpNOVGq7zqJ9jIiNaMcZ5VBqjAhdEJG2DdUkAiVl83vndlnRhnaYSxNCW3P1d8TGYmUmkaB6YyIHqtlLxf/8/qpDq+8jIkk1SjoYlGYclvHdv68PWQSqeZTQwiVzNxq0zGRhGoTUR6Cu/zyKuk06q5Td+8uas3rIo4ynMApnIMLl9CEW2hBGyhweIZXeLMerRfr3fpYtJasYuYY/sD6/AFHKo90</latexit><latexit sha1_base64="1FXoR9IIvaT9pVkaZXkhWSH494c=">AAAB73icbVBNS8NAEJ3Ur1q/qh69BIvgqSRF0GPRi8eK9gPaEDbbSbt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvSDhT2nG+rdLa+sbmVnm7srO7t39QPTzqqDiVFNs05rHsBUQhZwLbmmmOvUQiiQKO3WByk/vdJ5SKxeJBTxP0IjISLGSUaCP17v0M/cas4ldrTt2Zw14lbkFqUKDlV78Gw5imEQpNOVGq7zqJ9jIiNaMcZ5VBqjAhdEJG2DdUkAiVl83vndlnRhnaYSxNCW3P1d8TGYmUmkaB6YyIHqtlLxf/8/qpDq+8jIkk1SjoYlGYclvHdv68PWQSqeZTQwiVzNxq0zGRhGoTUR6Cu/zyKuk06q5Td+8uas3rIo4ynMApnIMLl9CEW2hBGyhweIZXeLMerRfr3fpYtJasYuYY/sD6/AFHKo90</latexit><latexit sha1_base64="1FXoR9IIvaT9pVkaZXkhWSH494c=">AAAB73icbVBNS8NAEJ3Ur1q/qh69BIvgqSRF0GPRi8eK9gPaEDbbSbt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvSDhT2nG+rdLa+sbmVnm7srO7t39QPTzqqDiVFNs05rHsBUQhZwLbmmmOvUQiiQKO3WByk/vdJ5SKxeJBTxP0IjISLGSUaCP17v0M/cas4ldrTt2Zw14lbkFqUKDlV78Gw5imEQpNOVGq7zqJ9jIiNaMcZ5VBqjAhdEJG2DdUkAiVl83vndlnRhnaYSxNCW3P1d8TGYmUmkaB6YyIHqtlLxf/8/qpDq+8jIkk1SjoYlGYclvHdv68PWQSqeZTQwiVzNxq0zGRhGoTUR6Cu/zyKuk06q5Td+8uas3rIo4ynMApnIMLl9CEW2hBGyhweIZXeLMerRfr3fpYtJasYuYY/sD6/AFHKo90</latexit>
e2<latexit sha1_base64="mfO9ARkQyRLj4TbGagbpzJgRzY0=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0mKUI9FLx4r2g9oQ9lsJ+3SzSbsboQS+hO8eFDEq7/Im//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ7dzvPKHSPJaPZpqgH9GR5CFn1FjpAQe1QbniVt0FyDrxclKBHM1B+as/jFkaoTRMUK17npsYP6PKcCZwVuqnGhPKJnSEPUsljVD72eLUGbmwypCEsbIlDVmovycyGmk9jQLbGVEz1qveXPzP66UmvPYzLpPUoGTLRWEqiInJ/G8y5AqZEVNLKFPc3krYmCrKjE2nZEPwVl9eJ+1a1XOr3v1VpXGTx1GEMziHS/CgDg24gya0gMEInuEV3hzhvDjvzseyteDkM6fwB87nD/AzjY4=</latexit><latexit sha1_base64="mfO9ARkQyRLj4TbGagbpzJgRzY0=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0mKUI9FLx4r2g9oQ9lsJ+3SzSbsboQS+hO8eFDEq7/Im//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ7dzvPKHSPJaPZpqgH9GR5CFn1FjpAQe1QbniVt0FyDrxclKBHM1B+as/jFkaoTRMUK17npsYP6PKcCZwVuqnGhPKJnSEPUsljVD72eLUGbmwypCEsbIlDVmovycyGmk9jQLbGVEz1qveXPzP66UmvPYzLpPUoGTLRWEqiInJ/G8y5AqZEVNLKFPc3krYmCrKjE2nZEPwVl9eJ+1a1XOr3v1VpXGTx1GEMziHS/CgDg24gya0gMEInuEV3hzhvDjvzseyteDkM6fwB87nD/AzjY4=</latexit><latexit sha1_base64="mfO9ARkQyRLj4TbGagbpzJgRzY0=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0mKUI9FLx4r2g9oQ9lsJ+3SzSbsboQS+hO8eFDEq7/Im//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ7dzvPKHSPJaPZpqgH9GR5CFn1FjpAQe1QbniVt0FyDrxclKBHM1B+as/jFkaoTRMUK17npsYP6PKcCZwVuqnGhPKJnSEPUsljVD72eLUGbmwypCEsbIlDVmovycyGmk9jQLbGVEz1qveXPzP66UmvPYzLpPUoGTLRWEqiInJ/G8y5AqZEVNLKFPc3krYmCrKjE2nZEPwVl9eJ+1a1XOr3v1VpXGTx1GEMziHS/CgDg24gya0gMEInuEV3hzhvDjvzseyteDkM6fwB87nD/AzjY4=</latexit><latexit sha1_base64="mfO9ARkQyRLj4TbGagbpzJgRzY0=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0mKUI9FLx4r2g9oQ9lsJ+3SzSbsboQS+hO8eFDEq7/Im//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ7dzvPKHSPJaPZpqgH9GR5CFn1FjpAQe1QbniVt0FyDrxclKBHM1B+as/jFkaoTRMUK17npsYP6PKcCZwVuqnGhPKJnSEPUsljVD72eLUGbmwypCEsbIlDVmovycyGmk9jQLbGVEz1qveXPzP66UmvPYzLpPUoGTLRWEqiInJ/G8y5AqZEVNLKFPc3krYmCrKjE2nZEPwVl9eJ+1a1XOr3v1VpXGTx1GEMziHS/CgDg24gya0gMEInuEV3hzhvDjvzseyteDkM6fwB87nD/AzjY4=</latexit>
New Tasks
Transferable Cost Model
Search Space
Expression AutoTVM Code Generatorc
<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
x
<latexit sha1_base64="aU2pysM3BHfN5UL25fiuMETI3Uw=">AAAB6XicbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8cqthbaUDbbTbt0swm7E7GE/gMvHhTx6j/y5r9x0+agrQ8GHu/NMDMvSKQw6LrfTmlldW19o7xZ2dre2d2r7h+0TZxqxlsslrHuBNRwKRRvoUDJO4nmNAokfwjG17n/8Mi1EbG6x0nC/YgOlQgFo2ilu6dKv1pz6+4MZJl4BalBgWa/+tUbxCyNuEImqTFdz03Qz6hGwSSfVnqp4QllYzrkXUsVjbjxs9mlU3JilQEJY21LIZmpvycyGhkziQLbGVEcmUUvF//zuimGl34mVJIiV2y+KEwlwZjkb5OB0JyhnFhCmRb2VsJGVFOGNpw8BG/x5WXSPqt7bt27Pa81roo4ynAEx3AKHlxAA26gCS1gEMIzvMKbM3ZenHfnY95acoqZQ/gD5/MHGsyNEA==</latexit><latexit sha1_base64="aU2pysM3BHfN5UL25fiuMETI3Uw=">AAAB6XicbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8cqthbaUDbbTbt0swm7E7GE/gMvHhTx6j/y5r9x0+agrQ8GHu/NMDMvSKQw6LrfTmlldW19o7xZ2dre2d2r7h+0TZxqxlsslrHuBNRwKRRvoUDJO4nmNAokfwjG17n/8Mi1EbG6x0nC/YgOlQgFo2ilu6dKv1pz6+4MZJl4BalBgWa/+tUbxCyNuEImqTFdz03Qz6hGwSSfVnqp4QllYzrkXUsVjbjxs9mlU3JilQEJY21LIZmpvycyGhkziQLbGVEcmUUvF//zuimGl34mVJIiV2y+KEwlwZjkb5OB0JyhnFhCmRb2VsJGVFOGNpw8BG/x5WXSPqt7bt27Pa81roo4ynAEx3AKHlxAA26gCS1gEMIzvMKbM3ZenHfnY95acoqZQ/gD5/MHGsyNEA==</latexit><latexit sha1_base64="aU2pysM3BHfN5UL25fiuMETI3Uw=">AAAB6XicbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8cqthbaUDbbTbt0swm7E7GE/gMvHhTx6j/y5r9x0+agrQ8GHu/NMDMvSKQw6LrfTmlldW19o7xZ2dre2d2r7h+0TZxqxlsslrHuBNRwKRRvoUDJO4nmNAokfwjG17n/8Mi1EbG6x0nC/YgOlQgFo2ilu6dKv1pz6+4MZJl4BalBgWa/+tUbxCyNuEImqTFdz03Qz6hGwSSfVnqp4QllYzrkXUsVjbjxs9mlU3JilQEJY21LIZmpvycyGhkziQLbGVEcmUUvF//zuimGl34mVJIiV2y+KEwlwZjkb5OB0JyhnFhCmRb2VsJGVFOGNpw8BG/x5WXSPqt7bt27Pa81roo4ynAEx3AKHlxAA26gCS1gEMIzvMKbM3ZenHfnY95acoqZQ/gD5/MHGsyNEA==</latexit><latexit sha1_base64="aU2pysM3BHfN5UL25fiuMETI3Uw=">AAAB6XicbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8cqthbaUDbbTbt0swm7E7GE/gMvHhTx6j/y5r9x0+agrQ8GHu/NMDMvSKQw6LrfTmlldW19o7xZ2dre2d2r7h+0TZxqxlsslrHuBNRwKRRvoUDJO4nmNAokfwjG17n/8Mi1EbG6x0nC/YgOlQgFo2ilu6dKv1pz6+4MZJl4BalBgWa/+tUbxCyNuEImqTFdz03Qz6hGwSSfVnqp4QllYzrkXUsVjbjxs9mlU3JilQEJY21LIZmpvycyGhkziQLbGVEcmUUvF//zuimGl34mVJIiV2y+KEwlwZjkb5OB0JyhnFhCmRb2VsJGVFOGNpw8BG/x5WXSPqt7bt27Pa81roo4ynAEx3AKHlxAA26gCS1gEMIzvMKbM3ZenHfnY95acoqZQ/gD5/MHGsyNEA==</latexit>
D<latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit>
Historical data from related operators (tasks)
e1<latexit sha1_base64="XOUd54x+Zz46yvez4JIotdXxwuo=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48V7Ae0oWy2k3bp7ibsboQS+he8eFDEq3/Im//GpM1BWx8MPN6bYWZeEAturOt+O6WNza3tnfJuZW//4PCoenzSMVGiGbZZJCLdC6hBwRW2LbcCe7FGKgOB3WB6l/vdJ9SGR+rRzmL0JR0rHnJGbS7h0KsMqzW37i5A1olXkBoUaA2rX4NRxBKJyjJBjel7bmz9lGrLmcB5ZZAYjCmb0jH2M6qoROOni1vn5CJTRiSMdFbKkoX6eyKl0piZDLJOSe3ErHq5+J/XT2x446dcxYlFxZaLwkQQG5H8cTLiGpkVs4xQpnl2K2ETqimzWTx5CN7qy+ukc1X33Lr3cF1r3hZxlOEMzuESPGhAE+6hBW1gMIFneIU3RzovzrvzsWwtOcXMKfyB8/kDI8ONoQ==</latexit><latexit sha1_base64="XOUd54x+Zz46yvez4JIotdXxwuo=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48V7Ae0oWy2k3bp7ibsboQS+he8eFDEq3/Im//GpM1BWx8MPN6bYWZeEAturOt+O6WNza3tnfJuZW//4PCoenzSMVGiGbZZJCLdC6hBwRW2LbcCe7FGKgOB3WB6l/vdJ9SGR+rRzmL0JR0rHnJGbS7h0KsMqzW37i5A1olXkBoUaA2rX4NRxBKJyjJBjel7bmz9lGrLmcB5ZZAYjCmb0jH2M6qoROOni1vn5CJTRiSMdFbKkoX6eyKl0piZDLJOSe3ErHq5+J/XT2x446dcxYlFxZaLwkQQG5H8cTLiGpkVs4xQpnl2K2ETqimzWTx5CN7qy+ukc1X33Lr3cF1r3hZxlOEMzuESPGhAE+6hBW1gMIFneIU3RzovzrvzsWwtOcXMKfyB8/kDI8ONoQ==</latexit><latexit sha1_base64="XOUd54x+Zz46yvez4JIotdXxwuo=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48V7Ae0oWy2k3bp7ibsboQS+he8eFDEq3/Im//GpM1BWx8MPN6bYWZeEAturOt+O6WNza3tnfJuZW//4PCoenzSMVGiGbZZJCLdC6hBwRW2LbcCe7FGKgOB3WB6l/vdJ9SGR+rRzmL0JR0rHnJGbS7h0KsMqzW37i5A1olXkBoUaA2rX4NRxBKJyjJBjel7bmz9lGrLmcB5ZZAYjCmb0jH2M6qoROOni1vn5CJTRiSMdFbKkoX6eyKl0piZDLJOSe3ErHq5+J/XT2x446dcxYlFxZaLwkQQG5H8cTLiGpkVs4xQpnl2K2ETqimzWTx5CN7qy+ukc1X33Lr3cF1r3hZxlOEMzuESPGhAE+6hBW1gMIFneIU3RzovzrvzsWwtOcXMKfyB8/kDI8ONoQ==</latexit><latexit sha1_base64="XOUd54x+Zz46yvez4JIotdXxwuo=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48V7Ae0oWy2k3bp7ibsboQS+he8eFDEq3/Im//GpM1BWx8MPN6bYWZeEAturOt+O6WNza3tnfJuZW//4PCoenzSMVGiGbZZJCLdC6hBwRW2LbcCe7FGKgOB3WB6l/vdJ9SGR+rRzmL0JR0rHnJGbS7h0KsMqzW37i5A1olXkBoUaA2rX4NRxBKJyjJBjel7bmz9lGrLmcB5ZZAYjCmb0jH2M6qoROOni1vn5CJTRiSMdFbKkoX6eyKl0piZDLJOSe3ErHq5+J/XT2x446dcxYlFxZaLwkQQG5H8cTLiGpkVs4xQpnl2K2ETqimzWTx5CN7qy+ukc1X33Lr3cF1r3hZxlOEMzuESPGhAE+6hBW1gMIFneIU3RzovzrvzsWwtOcXMKfyB8/kDI8ONoQ==</latexit>
Se1<latexit sha1_base64="S3wLawgxEK+jZJ/7efPwhwug0jQ=">AAAB73icbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8eKthbaEDbbabt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvTATXxnW/ndLK6tr6RnmzsrW9s7tX3T9o6zhVDFssFrHqhFSj4BJbhhuBnUQhjUKBD+H4OvcfnlBpHst7M0nQj+hQ8gFn1FipcxdkGHjTSlCtuXV3BrJMvILUoEAzqH71+jFLI5SGCap113MT42dUGc4ETiu9VGNC2ZgOsWuppBFqP5vdOyUnVumTQaxsSUNm6u+JjEZaT6LQdkbUjPSil4v/ed3UDC79jMskNSjZfNEgFcTEJH+e9LlCZsTEEsoUt7cSNqKKMmMjykPwFl9eJu2zuufWvdvzWuOqiKMMR3AMp+DBBTTgBprQAgYCnuEV3pxH58V5dz7mrSWnmDmEP3A+fwBFpI9z</latexit><latexit sha1_base64="S3wLawgxEK+jZJ/7efPwhwug0jQ=">AAAB73icbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8eKthbaEDbbabt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvTATXxnW/ndLK6tr6RnmzsrW9s7tX3T9o6zhVDFssFrHqhFSj4BJbhhuBnUQhjUKBD+H4OvcfnlBpHst7M0nQj+hQ8gFn1FipcxdkGHjTSlCtuXV3BrJMvILUoEAzqH71+jFLI5SGCap113MT42dUGc4ETiu9VGNC2ZgOsWuppBFqP5vdOyUnVumTQaxsSUNm6u+JjEZaT6LQdkbUjPSil4v/ed3UDC79jMskNSjZfNEgFcTEJH+e9LlCZsTEEsoUt7cSNqKKMmMjykPwFl9eJu2zuufWvdvzWuOqiKMMR3AMp+DBBTTgBprQAgYCnuEV3pxH58V5dz7mrSWnmDmEP3A+fwBFpI9z</latexit><latexit sha1_base64="S3wLawgxEK+jZJ/7efPwhwug0jQ=">AAAB73icbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8eKthbaEDbbabt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvTATXxnW/ndLK6tr6RnmzsrW9s7tX3T9o6zhVDFssFrHqhFSj4BJbhhuBnUQhjUKBD+H4OvcfnlBpHst7M0nQj+hQ8gFn1FipcxdkGHjTSlCtuXV3BrJMvILUoEAzqH71+jFLI5SGCap113MT42dUGc4ETiu9VGNC2ZgOsWuppBFqP5vdOyUnVumTQaxsSUNm6u+JjEZaT6LQdkbUjPSil4v/ed3UDC79jMskNSjZfNEgFcTEJH+e9LlCZsTEEsoUt7cSNqKKMmMjykPwFl9eJu2zuufWvdvzWuOqiKMMR3AMp+DBBTTgBprQAgYCnuEV3pxH58V5dz7mrSWnmDmEP3A+fwBFpI9z</latexit><latexit sha1_base64="S3wLawgxEK+jZJ/7efPwhwug0jQ=">AAAB73icbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8eKthbaEDbbabt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvTATXxnW/ndLK6tr6RnmzsrW9s7tX3T9o6zhVDFssFrHqhFSj4BJbhhuBnUQhjUKBD+H4OvcfnlBpHst7M0nQj+hQ8gFn1FipcxdkGHjTSlCtuXV3BrJMvILUoEAzqH71+jFLI5SGCap113MT42dUGc4ETiu9VGNC2ZgOsWuppBFqP5vdOyUnVumTQaxsSUNm6u+JjEZaT6LQdkbUjPSil4v/ed3UDC79jMskNSjZfNEgFcTEJH+e9LlCZsTEEsoUt7cSNqKKMmMjykPwFl9eJu2zuufWvdvzWuOqiKMMR3AMp+DBBTTgBprQAgYCnuEV3pxH58V5dz7mrSWnmDmEP3A+fwBFpI9z</latexit>
Shared Cost Model
Search Space
Expression
AutoTVMSe2<latexit sha1_base64="1FXoR9IIvaT9pVkaZXkhWSH494c=">AAAB73icbVBNS8NAEJ3Ur1q/qh69BIvgqSRF0GPRi8eK9gPaEDbbSbt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvSDhT2nG+rdLa+sbmVnm7srO7t39QPTzqqDiVFNs05rHsBUQhZwLbmmmOvUQiiQKO3WByk/vdJ5SKxeJBTxP0IjISLGSUaCP17v0M/cas4ldrTt2Zw14lbkFqUKDlV78Gw5imEQpNOVGq7zqJ9jIiNaMcZ5VBqjAhdEJG2DdUkAiVl83vndlnRhnaYSxNCW3P1d8TGYmUmkaB6YyIHqtlLxf/8/qpDq+8jIkk1SjoYlGYclvHdv68PWQSqeZTQwiVzNxq0zGRhGoTUR6Cu/zyKuk06q5Td+8uas3rIo4ynMApnIMLl9CEW2hBGyhweIZXeLMerRfr3fpYtJasYuYY/sD6/AFHKo90</latexit><latexit sha1_base64="1FXoR9IIvaT9pVkaZXkhWSH494c=">AAAB73icbVBNS8NAEJ3Ur1q/qh69BIvgqSRF0GPRi8eK9gPaEDbbSbt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvSDhT2nG+rdLa+sbmVnm7srO7t39QPTzqqDiVFNs05rHsBUQhZwLbmmmOvUQiiQKO3WByk/vdJ5SKxeJBTxP0IjISLGSUaCP17v0M/cas4ldrTt2Zw14lbkFqUKDlV78Gw5imEQpNOVGq7zqJ9jIiNaMcZ5VBqjAhdEJG2DdUkAiVl83vndlnRhnaYSxNCW3P1d8TGYmUmkaB6YyIHqtlLxf/8/qpDq+8jIkk1SjoYlGYclvHdv68PWQSqeZTQwiVzNxq0zGRhGoTUR6Cu/zyKuk06q5Td+8uas3rIo4ynMApnIMLl9CEW2hBGyhweIZXeLMerRfr3fpYtJasYuYY/sD6/AFHKo90</latexit><latexit sha1_base64="1FXoR9IIvaT9pVkaZXkhWSH494c=">AAAB73icbVBNS8NAEJ3Ur1q/qh69BIvgqSRF0GPRi8eK9gPaEDbbSbt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvSDhT2nG+rdLa+sbmVnm7srO7t39QPTzqqDiVFNs05rHsBUQhZwLbmmmOvUQiiQKO3WByk/vdJ5SKxeJBTxP0IjISLGSUaCP17v0M/cas4ldrTt2Zw14lbkFqUKDlV78Gw5imEQpNOVGq7zqJ9jIiNaMcZ5VBqjAhdEJG2DdUkAiVl83vndlnRhnaYSxNCW3P1d8TGYmUmkaB6YyIHqtlLxf/8/qpDq+8jIkk1SjoYlGYclvHdv68PWQSqeZTQwiVzNxq0zGRhGoTUR6Cu/zyKuk06q5Td+8uas3rIo4ynMApnIMLl9CEW2hBGyhweIZXeLMerRfr3fpYtJasYuYY/sD6/AFHKo90</latexit><latexit sha1_base64="1FXoR9IIvaT9pVkaZXkhWSH494c=">AAAB73icbVBNS8NAEJ3Ur1q/qh69BIvgqSRF0GPRi8eK9gPaEDbbSbt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvSDhT2nG+rdLa+sbmVnm7srO7t39QPTzqqDiVFNs05rHsBUQhZwLbmmmOvUQiiQKO3WByk/vdJ5SKxeJBTxP0IjISLGSUaCP17v0M/cas4ldrTt2Zw14lbkFqUKDlV78Gw5imEQpNOVGq7zqJ9jIiNaMcZ5VBqjAhdEJG2DdUkAiVl83vndlnRhnaYSxNCW3P1d8TGYmUmkaB6YyIHqtlLxf/8/qpDq+8jIkk1SjoYlGYclvHdv68PWQSqeZTQwiVzNxq0zGRhGoTUR6Cu/zyKuk06q5Td+8uas3rIo4ynMApnIMLl9CEW2hBGyhweIZXeLMerRfr3fpYtJasYuYY/sD6/AFHKo90</latexit>
e2<latexit sha1_base64="mfO9ARkQyRLj4TbGagbpzJgRzY0=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0mKUI9FLx4r2g9oQ9lsJ+3SzSbsboQS+hO8eFDEq7/Im//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ7dzvPKHSPJaPZpqgH9GR5CFn1FjpAQe1QbniVt0FyDrxclKBHM1B+as/jFkaoTRMUK17npsYP6PKcCZwVuqnGhPKJnSEPUsljVD72eLUGbmwypCEsbIlDVmovycyGmk9jQLbGVEz1qveXPzP66UmvPYzLpPUoGTLRWEqiInJ/G8y5AqZEVNLKFPc3krYmCrKjE2nZEPwVl9eJ+1a1XOr3v1VpXGTx1GEMziHS/CgDg24gya0gMEInuEV3hzhvDjvzseyteDkM6fwB87nD/AzjY4=</latexit><latexit sha1_base64="mfO9ARkQyRLj4TbGagbpzJgRzY0=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0mKUI9FLx4r2g9oQ9lsJ+3SzSbsboQS+hO8eFDEq7/Im//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ7dzvPKHSPJaPZpqgH9GR5CFn1FjpAQe1QbniVt0FyDrxclKBHM1B+as/jFkaoTRMUK17npsYP6PKcCZwVuqnGhPKJnSEPUsljVD72eLUGbmwypCEsbIlDVmovycyGmk9jQLbGVEz1qveXPzP66UmvPYzLpPUoGTLRWEqiInJ/G8y5AqZEVNLKFPc3krYmCrKjE2nZEPwVl9eJ+1a1XOr3v1VpXGTx1GEMziHS/CgDg24gya0gMEInuEV3hzhvDjvzseyteDkM6fwB87nD/AzjY4=</latexit><latexit sha1_base64="mfO9ARkQyRLj4TbGagbpzJgRzY0=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0mKUI9FLx4r2g9oQ9lsJ+3SzSbsboQS+hO8eFDEq7/Im//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ7dzvPKHSPJaPZpqgH9GR5CFn1FjpAQe1QbniVt0FyDrxclKBHM1B+as/jFkaoTRMUK17npsYP6PKcCZwVuqnGhPKJnSEPUsljVD72eLUGbmwypCEsbIlDVmovycyGmk9jQLbGVEz1qveXPzP66UmvPYzLpPUoGTLRWEqiInJ/G8y5AqZEVNLKFPc3krYmCrKjE2nZEPwVl9eJ+1a1XOr3v1VpXGTx1GEMziHS/CgDg24gya0gMEInuEV3hzhvDjvzseyteDkM6fwB87nD/AzjY4=</latexit><latexit sha1_base64="mfO9ARkQyRLj4TbGagbpzJgRzY0=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0mKUI9FLx4r2g9oQ9lsJ+3SzSbsboQS+hO8eFDEq7/Im//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ7dzvPKHSPJaPZpqgH9GR5CFn1FjpAQe1QbniVt0FyDrxclKBHM1B+as/jFkaoTRMUK17npsYP6PKcCZwVuqnGhPKJnSEPUsljVD72eLUGbmwypCEsbIlDVmovycyGmk9jQLbGVEz1qveXPzP66UmvPYzLpPUoGTLRWEqiInJ/G8y5AqZEVNLKFPc3krYmCrKjE2nZEPwVl9eJ+1a1XOr3v1VpXGTx1GEMziHS/CgDg24gya0gMEInuEV3hzhvDjvzseyteDkM6fwB87nD/AzjY4=</latexit>
New Tasks
Transferable Cost Model
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Expression AutoTVM Code Generatorc
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Historical data from related operators (tasks)
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Se1<latexit sha1_base64="S3wLawgxEK+jZJ/7efPwhwug0jQ=">AAAB73icbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8eKthbaEDbbabt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvTATXxnW/ndLK6tr6RnmzsrW9s7tX3T9o6zhVDFssFrHqhFSj4BJbhhuBnUQhjUKBD+H4OvcfnlBpHst7M0nQj+hQ8gFn1FipcxdkGHjTSlCtuXV3BrJMvILUoEAzqH71+jFLI5SGCap113MT42dUGc4ETiu9VGNC2ZgOsWuppBFqP5vdOyUnVumTQaxsSUNm6u+JjEZaT6LQdkbUjPSil4v/ed3UDC79jMskNSjZfNEgFcTEJH+e9LlCZsTEEsoUt7cSNqKKMmMjykPwFl9eJu2zuufWvdvzWuOqiKMMR3AMp+DBBTTgBprQAgYCnuEV3pxH58V5dz7mrSWnmDmEP3A+fwBFpI9z</latexit><latexit sha1_base64="S3wLawgxEK+jZJ/7efPwhwug0jQ=">AAAB73icbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8eKthbaEDbbabt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvTATXxnW/ndLK6tr6RnmzsrW9s7tX3T9o6zhVDFssFrHqhFSj4BJbhhuBnUQhjUKBD+H4OvcfnlBpHst7M0nQj+hQ8gFn1FipcxdkGHjTSlCtuXV3BrJMvILUoEAzqH71+jFLI5SGCap113MT42dUGc4ETiu9VGNC2ZgOsWuppBFqP5vdOyUnVumTQaxsSUNm6u+JjEZaT6LQdkbUjPSil4v/ed3UDC79jMskNSjZfNEgFcTEJH+e9LlCZsTEEsoUt7cSNqKKMmMjykPwFl9eJu2zuufWvdvzWuOqiKMMR3AMp+DBBTTgBprQAgYCnuEV3pxH58V5dz7mrSWnmDmEP3A+fwBFpI9z</latexit><latexit sha1_base64="S3wLawgxEK+jZJ/7efPwhwug0jQ=">AAAB73icbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8eKthbaEDbbabt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvTATXxnW/ndLK6tr6RnmzsrW9s7tX3T9o6zhVDFssFrHqhFSj4BJbhhuBnUQhjUKBD+H4OvcfnlBpHst7M0nQj+hQ8gFn1FipcxdkGHjTSlCtuXV3BrJMvILUoEAzqH71+jFLI5SGCap113MT42dUGc4ETiu9VGNC2ZgOsWuppBFqP5vdOyUnVumTQaxsSUNm6u+JjEZaT6LQdkbUjPSil4v/ed3UDC79jMskNSjZfNEgFcTEJH+e9LlCZsTEEsoUt7cSNqKKMmMjykPwFl9eJu2zuufWvdvzWuOqiKMMR3AMp+DBBTTgBprQAgYCnuEV3pxH58V5dz7mrSWnmDmEP3A+fwBFpI9z</latexit><latexit sha1_base64="S3wLawgxEK+jZJ/7efPwhwug0jQ=">AAAB73icbVBNS8NAEJ3Ur1q/qh69LBbBU0lE0GPRi8eKthbaEDbbabt0s4m7G6GE/gkvHhTx6t/x5r9x0+agrQ8GHu/NMDMvTATXxnW/ndLK6tr6RnmzsrW9s7tX3T9o6zhVDFssFrHqhFSj4BJbhhuBnUQhjUKBD+H4OvcfnlBpHst7M0nQj+hQ8gFn1FipcxdkGHjTSlCtuXV3BrJMvILUoEAzqH71+jFLI5SGCap113MT42dUGc4ETiu9VGNC2ZgOsWuppBFqP5vdOyUnVumTQaxsSUNm6u+JjEZaT6LQdkbUjPSil4v/ed3UDC79jMskNSjZfNEgFcTEJH+e9LlCZsTEEsoUt7cSNqKKMmMjykPwFl9eJu2zuufWvdvzWuOqiKMMR3AMp+DBBTTgBprQAgYCnuEV3pxH58V5dz7mrSWnmDmEP3A+fwBFpI9z</latexit>
Shared Cost Model
Code Generatorc
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Search Space
Expression
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e2<latexit sha1_base64="mfO9ARkQyRLj4TbGagbpzJgRzY0=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0mKUI9FLx4r2g9oQ9lsJ+3SzSbsboQS+hO8eFDEq7/Im//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ7dzvPKHSPJaPZpqgH9GR5CFn1FjpAQe1QbniVt0FyDrxclKBHM1B+as/jFkaoTRMUK17npsYP6PKcCZwVuqnGhPKJnSEPUsljVD72eLUGbmwypCEsbIlDVmovycyGmk9jQLbGVEz1qveXPzP66UmvPYzLpPUoGTLRWEqiInJ/G8y5AqZEVNLKFPc3krYmCrKjE2nZEPwVl9eJ+1a1XOr3v1VpXGTx1GEMziHS/CgDg24gya0gMEInuEV3hzhvDjvzseyteDkM6fwB87nD/AzjY4=</latexit><latexit sha1_base64="mfO9ARkQyRLj4TbGagbpzJgRzY0=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0mKUI9FLx4r2g9oQ9lsJ+3SzSbsboQS+hO8eFDEq7/Im//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ7dzvPKHSPJaPZpqgH9GR5CFn1FjpAQe1QbniVt0FyDrxclKBHM1B+as/jFkaoTRMUK17npsYP6PKcCZwVuqnGhPKJnSEPUsljVD72eLUGbmwypCEsbIlDVmovycyGmk9jQLbGVEz1qveXPzP66UmvPYzLpPUoGTLRWEqiInJ/G8y5AqZEVNLKFPc3krYmCrKjE2nZEPwVl9eJ+1a1XOr3v1VpXGTx1GEMziHS/CgDg24gya0gMEInuEV3hzhvDjvzseyteDkM6fwB87nD/AzjY4=</latexit><latexit sha1_base64="mfO9ARkQyRLj4TbGagbpzJgRzY0=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0mKUI9FLx4r2g9oQ9lsJ+3SzSbsboQS+hO8eFDEq7/Im//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ7dzvPKHSPJaPZpqgH9GR5CFn1FjpAQe1QbniVt0FyDrxclKBHM1B+as/jFkaoTRMUK17npsYP6PKcCZwVuqnGhPKJnSEPUsljVD72eLUGbmwypCEsbIlDVmovycyGmk9jQLbGVEz1qveXPzP66UmvPYzLpPUoGTLRWEqiInJ/G8y5AqZEVNLKFPc3krYmCrKjE2nZEPwVl9eJ+1a1XOr3v1VpXGTx1GEMziHS/CgDg24gya0gMEInuEV3hzhvDjvzseyteDkM6fwB87nD/AzjY4=</latexit><latexit sha1_base64="mfO9ARkQyRLj4TbGagbpzJgRzY0=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0mKUI9FLx4r2g9oQ9lsJ+3SzSbsboQS+hO8eFDEq7/Im//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ7dzvPKHSPJaPZpqgH9GR5CFn1FjpAQe1QbniVt0FyDrxclKBHM1B+as/jFkaoTRMUK17npsYP6PKcCZwVuqnGhPKJnSEPUsljVD72eLUGbmwypCEsbIlDVmovycyGmk9jQLbGVEz1qveXPzP66UmvPYzLpPUoGTLRWEqiInJ/G8y5AqZEVNLKFPc3krYmCrKjE2nZEPwVl9eJ+1a1XOr3v1VpXGTx1GEMziHS/CgDg24gya0gMEInuEV3hzhvDjvzseyteDkM6fwB87nD/AzjY4=</latexit>
New Tasks
Transferable Cost Model
Search Space
Expression AutoTVM Code Generatorc
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x
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Historical data from related operators (tasks)
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Shared Cost Model
Code Generatorc
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Search Space
Expression
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New TasksNeed task invariant
representation
0 100 200 300 400 500 600 700 8000.00
0.25
0.50
0.75
1.00
1.25
1.50
Impact of Transfer Learning
AutoTVM: ML-based Model
Number of Trials
AutoTVM: Black-box OptimizationRe
lativ
e Sp
eedu
p
Baseline: CuDNN
0 100 200 300 400 500 600 700 8000.00
0.25
0.50
0.75
1.00
1.25
1.50
Impact of Transfer Learning
Number of Trials
AutoTVM: Black-box OptimizationRe
lativ
e Sp
eedu
p
Baseline: CuDNN
Transferred ML-Model
AutoTVM: ML-based Model
0 100 200 300 400 500 600 700 8000.00
0.25
0.50
0.75
1.00
1.25
1.50
Impact of Transfer Learning
Number of Trials
AutoTVM: Black-box OptimizationRe
lativ
e Sp
eedu
p
Baseline: CuDNN
Transferred ML-Model
AutoTVM: ML-based Model
3x to 10x speedup over non-transfer case
Learning to Optimize Tensor Programs
Learning to Optimize Tensor Programs. Chen et al. NeurIPS 18
Large number of similar tasks
Relatively low experiment cost
Program-aware modeling
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Search Space
Expression AutoTVM Code Generatorc
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x
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D<latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit><latexit sha1_base64="1Z6CzjBl0OMVztfQ+m452YDkcY0=">AAAB8nicbVDLSsNAFL2pr1pfVZdugkVwVRIRdFnUhcsK9gFtKJPppB06mQkzN0IJ/Qw3LhRx69e482+ctFlo64GBwzn3MueeMBHcoOd9O6W19Y3NrfJ2ZWd3b/+genjUNirVlLWoEkp3Q2KY4JK1kKNg3UQzEoeCdcLJbe53npg2XMlHnCYsiMlI8ohTglbq9WOCY0pEdjcbVGte3ZvDXSV+QWpQoDmofvWHiqYxk0gFMabnewkGGdHIqWCzSj81LCF0QkasZ6kkMTNBNo88c8+sMnQjpe2T6M7V3xsZiY2ZxqGdzCOaZS8X//N6KUbXQcZlkiKTdPFRlAoXlZvf7w65ZhTF1BJCNbdZXTommlC0LVVsCf7yyaukfVH3vbr/cFlr3BR1lOEETuEcfLiCBtxDE1pAQcEzvMKbg86L8+58LEZLTrFzDH/gfP4AdN2RWg==</latexit>
Training data
f(x)<latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit><latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit><latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit><latexit sha1_base64="Appt6dOASLoU0puF9XJna1LvMt4=">AAAB63icbVBNS8NAEJ3Ur1q/qh69LBahXkoigh6LXjxWMG2hDWWz3bRLdzdhdyOW0L/gxYMiXv1D3vw3btoctPXBwOO9GWbmhQln2rjut1NaW9/Y3CpvV3Z29/YPqodHbR2nilCfxDxW3RBrypmkvmGG026iKBYhp51wcpv7nUeqNIvlg5kmNBB4JFnECDa5FNWfzgfVmttw50CrxCtIDQq0BtWv/jAmqaDSEI617nluYoIMK8MIp7NKP9U0wWSCR7RnqcSC6iCb3zpDZ1YZoihWtqRBc/X3RIaF1lMR2k6BzVgve7n4n9dLTXQdZEwmqaGSLBZFKUcmRvnjaMgUJYZPLcFEMXsrImOsMDE2nooNwVt+eZW0Lxqe2/DuL2vNmyKOMpzAKdTBgytowh20wAcCY3iGV3hzhPPivDsfi9aSU8wcwx84nz9sX43R</latexit>
Statistical Cost Model
c<latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit><latexit sha1_base64="MK9TkR1XfIASB2dfp9XX0/+fbPE=">AAAB6HicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48t2A9oQ9lsJ+3azSbsboQS+gu8eFDEqz/Jm//GbZuDtj4YeLw3w8y8IBFcG9f9dgobm1vbO8Xd0t7+weFR+fikreNUMWyxWMSqG1CNgktsGW4EdhOFNAoEdoLJ3dzvPKHSPJYPZpqgH9GR5CFn1FipyQblilt1FyDrxMtJBXI0BuWv/jBmaYTSMEG17nluYvyMKsOZwFmpn2pMKJvQEfYslTRC7WeLQ2fkwipDEsbKljRkof6eyGik9TQKbGdEzVivenPxP6+XmvDGz7hMUoOSLReFqSAmJvOvyZArZEZMLaFMcXsrYWOqKDM2m5INwVt9eZ20r6qeW/Wa15X6bR5HEc7gHC7BgxrU4R4a0AIGCM/wCm/Oo/PivDsfy9aCk8+cwh84nz/GZYzn</latexit>
learningf̂(e, c)
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Device Fleet: Distributed Test Bed for AutoTVM
AutoTVMExperiment 1
AutoTVMExperiment 2
Resource Manager (Tracker)
Nvidia GPU Server
RPC RT CUDA
Android Phone
RPC RT OpenCL
Zynq FPGA Board
RPC RT Bitstream
Resource TokenResource
Allocation
Persistent Remote Session
Device Fleet: Distributed Test Bed for AutoTVM
AutoTVMExperiment 1
AutoTVMExperiment 2
Resource Manager (Tracker)
Nvidia GPU Server
RPC RT CUDA
Android Phone
RPC RT OpenCL
Zynq FPGA Board
RPC RT Bitstream
Resource TokenResource
Allocation
Persistent Remote Session
Scale up optimization Resource sharing
Device Fleet in Action
TVM: Learning-based Learning System
Why do we need machine learning for systems
How to build intelligent systems with learning
End to end learning-based learning system stack
AutoTVM
TVM: End to End Deep Learning Compiler
TVM: End to End Deep Learning Compiler
Optimization
AutoTVM
High-Level Differentiable IR
Tensor Expression and Optimization Search Space
LLVM, CUDA, Metal
AutoTVM
Device Fleet
TVM: End to End Deep Learning Compiler
Optimization
AutoTVM
High-Level Differentiable IR
Tensor Expression and Optimization Search Space
LLVM, CUDA, Metal
AutoTVM
Device Fleet
Tensor Expression and Optimization Search Space
Hardware
Based on Halide’s compute/schedule separation
Tensor Expression and Optimization Search Space
Hardware
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
Based on Halide’s compute/schedule separation
Tensor Expression and Optimization Search Space
Hardware
Search space: Possible mappings from the expression to valid hardware programs
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
Based on Halide’s compute/schedule separation
Tensor Expression and Optimization Search Space
Hardware
Search space: Possible mappings from the expression to valid hardware programs
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression (Specification)
Based on Halide’s compute/schedule separation
What is the search space
Search Space for CPUs
L1D L1IL2
L3
L1D L1IL2
implicitly managed
Compute Primitives
scalar vector
Memory Subsystem
Loop Transformations
Cache Locality Vectorization
CPUs
Reuse primitives from prior work: Halide, Loopy
Hardware-aware Search Space
CPUs GPUs TPU-like specialized Accelerators
Search Space for GPUsCompute Primitives
scalar vector
Memory Subsystem
L2
RF RFTX/L1
SM
RF RFTX/L1
SM
mixed
GPUs
Search Space for GPUsCompute Primitives
scalar vector
Memory Subsystem
L2
RF RFTX/L1
SM
RF RFTX/L1
SM
mixed
GPUs
Shared memory among compute cores
Search Space for GPUsCompute Primitives
scalar vector
Memory Subsystem
L2
RF RFTX/L1
SM
RF RFTX/L1
SM
mixed
Thread Cooperation
Use of Shared Memory
GPUs
Shared memory among compute cores
Search Space for TPU-like Specialized Accelerators
Tensor Compute Primitives
Unified Buffer Acc
FIFO
Explicitly Managed Memory Subsystem
TPUs
Search Space for TPU-like Specialized Accelerators
Tensor Compute Primitives
Unified Buffer Acc
FIFO
Explicitly Managed Memory Subsystem
TPUs
Tensorization ChallengeCompute primitives
Tensorization ChallengeCompute primitives
scalar
Tensorization ChallengeCompute primitives
scalar vector
Tensorization ChallengeCompute primitives
scalar vector tensor
Tensorization ChallengeCompute primitives
scalar vector tensor
Challenge: Build systems to support emerging tensor instructions
Tensorization Challenge
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Computation Specification (Tensor Expression)
Tensorization Challenge
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Computation Specification (Tensor Expression)
A = tvm.placeholder((8, 8)) B = tvm.placeholder((8,))k = tvm.reduce_axis((0, 8)) C = tvm.compute((8, 8), lambda y, x: tvm.sum(A[k, y] * B[k], axis=k))
HW Interface Specification by Tensor Expression
Tensorization Challenge
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Computation Specification (Tensor Expression)
A = tvm.placeholder((8, 8)) B = tvm.placeholder((8,))k = tvm.reduce_axis((0, 8)) C = tvm.compute((8, 8), lambda y, x: tvm.sum(A[k, y] * B[k], axis=k))
HW Interface Specification by Tensor Expression
Tensorization
Search Space for TPU-like Specialized Accelerators
Tensor Compute Primitives
Unified Buffer Acc
FIFO
Explicitly Managed Memory Subsystem
TPUs
Search Space for TPU-like Specialized Accelerators
Tensor Compute Primitives
Unified Buffer Acc
FIFO
Explicitly Managed Memory Subsystem
TPUs
Software Support for Latency Hiding
Single Module No Task-Pipelining
load inputs
load weights
matrix multiplication
store outputs
load inputs
load weights
matrix multiplication
store outputsstore outputs
load inputs
load weights
matrix multiplication
store outputs
load inputs
load weights
matrix multiplication
store outputsstore outputs
Software Support for Latency Hiding
Single Module No Task-Pipelining
load inputs
load weights
matrix multiplication
store outputs
load inputs
load weights
matrix multiplication
store outputs
load inputs
load weights
load inputs
load weights
matrix multiplication
matrix multiplication
store outputs
store outputs
Multiple-Module Task-Level Pipelining
Explicit dependencies managed by software to hide memory latency
Software Support for Latency Hiding
Single Module No Task-Pipelining
load inputs
load weights
matrix multiplication
store outputs
load inputs
load weights
matrix multiplication
store outputs
load inputs
load weights
load inputs
load weights
matrix multiplication
matrix multiplication
store outputs
store outputs
Multiple-Module Task-Level Pipelining
Software Support for Latency Hiding
Software Support for Latency Hidingload inputs
load weights
load inputs
load weights
matrix multiplication
matrix multiplication
store outputs
store outputsMulti-threaded
Programvthread0
vthread1
Software Support for Latency Hidingload inputs
load weights
load inputs
load weights
matrix multiplication
matrix multiplication
store outputs
store outputsMulti-threaded
Programvthread0
vthread1
load inputs
load weights
load inputs
load weights
matrix multiplication
matrix multiplication
store outputs
store outputs
Program with Task-level Pipeline
Instructions
Summary: Hardware-aware Search Space
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression Language
Summary: Hardware-aware Search Space
Loop Transformations
Thread Bindings
Cache Locality
Primitives in prior work:Halide, Loopy
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression Language
Summary: Hardware-aware Search Space
Loop Transformations
Thread Bindings
Cache Locality
Primitives in prior work:Halide, Loopy
Thread Cooperation Tensorization Latency
Hiding …New primitives for GPUs, and enable TPU-like Accelerators
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression Language
Summary: Hardware-aware Search Space
Hardware
Loop Transformations
Thread Bindings
Cache Locality
Primitives in prior work:Halide, Loopy
Thread Cooperation Tensorization Latency
Hiding …New primitives for GPUs, and enable TPU-like Accelerators
C = tvm.compute((m, n), lambda y, x: tvm.sum(A[k, y] * B[k, x], axis=k))
Tensor Expression Language
TVM: End to End Deep Learning Compiler
Optimization
AutoTVM
High-Level Differentiable IR
Tensor Expression and Optimization Search Space
LLVM, CUDA, Metal
AutoTVM
Device Fleet
End to End Inference Performance (Nvidia Titan X)
TensorFlow-XLA
Apache MXNetTensorFlow
ResNet-18 MobileNet0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Tim
e(m
s)
LSTM LM DQN DCGAN0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
End to End Inference Performance (Nvidia Titan X)
TensorFlow-XLA
Apache MXNetTensorFlow
ResNet-18 MobileNet0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Tim
e(m
s)
LSTM LM DQN DCGAN0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Backed by cuDNN
End to End Inference Performance (Nvidia Titan X)
ResNet-18 MobileNet0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Tim
e(m
s)
LSTM LM DQN DCGAN0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
TensorFlow-XLA
Apache MXNetTensorFlow TVM
End to End Inference Performance (Nvidia Titan X)
ResNet-18 MobileNet0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Tim
e(m
s)
LSTM LM DQN DCGAN0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
TensorFlow-XLA
Apache MXNetTensorFlow TVM
Competitive on standard models
End to End Inference Performance (Nvidia Titan X)
ResNet-18 MobileNet0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Tim
e(m
s)
LSTM LM DQN DCGAN0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
TensorFlow-XLA
Apache MXNetTensorFlow TVM
End to End Inference Performance (Nvidia Titan X)
ResNet-18 MobileNet0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Tim
e(m
s)
LSTM LM DQN DCGAN0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
TensorFlow-XLA
Apache MXNetTensorFlow TVM
3x better on emerging models
Portable Performance Across Hardware Platforms
ARM GPU (MALI)ARM CPU(Cortex-A53)
TensorFlow Lite TVMArmComputeLib
Portable Performance Across Hardware Platforms
ARM GPU (MALI)ARM CPU(Cortex-A53)
TensorFlow Lite TVMArmComputeLib
Special frameworks for the particular hardware platform
TVM: End to End Deep Learning Compiler
What about Accelerator Support?
VTA: Open & Flexible Deep Learning Accelerator
Current TVM Stack
Moreau, Chen, et al. work in progress
VTA: Open & Flexible Deep Learning Accelerator
VTA MicroArchitecture
Current TVM Stack
Moreau, Chen, et al. work in progress
VTA: Open & Flexible Deep Learning Accelerator
VTA Hardware/Software Interface (ISA)
VTA MicroArchitecture
Current TVM Stack
Moreau, Chen, et al. work in progress
VTA: Open & Flexible Deep Learning Accelerator
VTA Hardware/Software Interface (ISA)
VTA MicroArchitecture
Current TVM Stack
VTA Runtime & JIT Compiler
Moreau, Chen, et al. work in progress
VTA: Open & Flexible Deep Learning Accelerator
VTA Hardware/Software Interface (ISA)
VTA MicroArchitecture VTA Simulator
Current TVM Stack
VTA Runtime & JIT Compiler
Moreau, Chen, et al. work in progress
VTA: Open & Flexible Deep Learning Accelerator• Runtime JIT compile
accelerator micro code
• Support heterogenous devices, 10x better than CPU on the same board.
• Move hardware complexity to software
VTA Hardware/Software Interface (ISA)
VTA MicroArchitecture VTA Simulator
Current TVM Stack
VTA Runtime & JIT Compiler
Moreau, Chen, et al. work in progress
VTA: Open & Flexible Deep Learning Accelerator• Runtime JIT compile
accelerator micro code
• Support heterogenous devices, 10x better than CPU on the same board.
• Move hardware complexity to software
VTA Hardware/Software Interface (ISA)
VTA MicroArchitecture VTA Simulator}compiler, driver, hardware design full stack open source
Current TVM Stack
VTA Runtime & JIT Compiler
Moreau, Chen, et al. work in progress
TVM: End to End Deep Learning Compiler
High-Level Differentiable IR
Tensor Expression and Optimization Search Space
LLVM, CUDA, Metal
Optimization
AutoTVM
Device Fleet
TVM: End to End Deep Learning Compiler
High-Level Differentiable IR
Tensor Expression and Optimization Search Space
LLVM, CUDA, Metal VTA
Edge FPGA
Cloud FPGA ASIC
Optimization
AutoTVM
Device Fleet
TVM Impact
TVM ImpactOpen source: 202 contributors from UW, Berkeley, Cornell, UCLA, AWS, Huawei, NTT, Facebook, Qualcomm, …
TVM ImpactOpen source: 202 contributors from UW, Berkeley, Cornell, UCLA, AWS, Huawei, NTT, Facebook, Qualcomm, …
Used in production
TVM Enables New Research Frontiers
TVM Enables New Research Frontiers
• PL: New high-level differentiable programming IR (UW)
TVM Enables New Research Frontiers
• PL: New high-level differentiable programming IR (UW)
• Architecture: New deep learning ASICs, RISC-V (UW, Cornell)
TVM Enables New Research Frontiers
• PL: New high-level differentiable programming IR (UW)
• Architecture: New deep learning ASICs, RISC-V (UW, Cornell)
• Security: trusted enclave for private aware ML. (Berkeley)
TVM Enables New Research Frontiers
• PL: New high-level differentiable programming IR (UW)
• Architecture: New deep learning ASICs, RISC-V (UW, Cornell)
• Security: trusted enclave for private aware ML. (Berkeley)
• Machine learning: test bed for automatic optimization. (UW)
TVM Enables New Research Frontiers
• PL: New high-level differentiable programming IR (UW)
• Architecture: New deep learning ASICs, RISC-V (UW, Cornell)
• Security: trusted enclave for private aware ML. (Berkeley)
• Machine learning: test bed for automatic optimization. (UW)
Reseach Group
TVM Enables New Research Frontiers
• PL: New high-level differentiable programming IR (UW)
• Architecture: New deep learning ASICs, RISC-V (UW, Cornell)
• Security: trusted enclave for private aware ML. (Berkeley)
• Machine learning: test bed for automatic optimization. (UW)
Reseach Group
TVM Conference 180 attendees, 20+ talks
Learning Systems
Data science for everyone
Scale up deep learning
Deploy AI everywhere
Learning Systems
Data science for everyone
Scale up deep learning
Deploy AI everywhere
What’s Next
Learning-based Learning System
Learning-based Learning System
Application
Learning-based Learning System
Application
Model MobileNet-V2
Learning-based Learning System
Application
Model MobileNet-V2
Hardware ARM Cortex A53
Learning-based Learning System
Space of Tensor Programs
Application
Model MobileNet-V2
Hardware ARM Cortex A53
Learning-based Learning System
AutoTVMSpace of Tensor Programs
Application
Model MobileNet-V2
Hardware ARM Cortex A53
Learning-based Learning System
AutoTVMSpace of Tensor Programs
Optimized Tensor Program
Application
Model MobileNet-V2
Hardware ARM Cortex A53
Full Stack Learning-based Learning System
Full Stack Learning-based Learning System
Application
Full Stack Learning-based Learning System
Application
Space of Models
Full Stack Learning-based Learning System
Space of Tensor Programs
Application
Space of Models
Full Stack Learning-based Learning System
Space of Tensor Programs
Application
Space of Models
Space of Hardware Variants
Full Stack Learning-based Learning System
Full-StackAutoTVM
Space of Tensor Programs
Application
Space of Models
Space of Hardware Variants
Full Stack Learning-based Learning System
Full-StackAutoTVM
Space of Tensor Programs
Application
Space of Models
Space of Hardware Variants
Optimized Tensor Program
Auto Optimized Net
Auto Hardware Variant
Full Stack Learning-based Learning System
High-Level Differentiable IR
Tensor Expression IR
LLVM, CUDA VTA
Edge FPGA
Cloud FPGA ASIC
Full Stack Learning-based Learning System
High-Level Differentiable IR
Tensor Expression IR
LLVM, CUDA VTA
Edge FPGA
Cloud FPGA ASIC
ML Models
System Optimizations
Hardware Design}Full-stack co-design
ML as the first-class citizen
Lifecycle of Intelligent ApplicationsD
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Lifecycle of Intelligent ApplicationsD
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Learning System
Lifecycle of Intelligent ApplicationsD
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Learning System
Model
Lifecycle of Intelligent ApplicationsD
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Learning System
Model
Deploy(serving)
Lifelong Learning Systems
Learning System
Lifelong Learning Systems
Learning System Environment
Lifelong Learning Systems
Learning System Environment
Lifelong Learning Systems
Learning System Environment
New Data
Lifelong Learning Systems
Learning System Environment
New Data
New Models
Lifelong Learning Systems
Learning System Environment
New Data
New Models
New Tasks
Lifelong Learning Systems
Learning System
Lifelong evolution of model, data and system optimizations
Environment
New Data
New Models
New Tasks
Challenges in Lifelong Learning Research
Challenges in Lifelong Learning Research
Net2Net: Accelerating learning via knowledge transfer. Chen, et al. ICLR 16
Model transfer as model complexity grows
Challenges in Lifelong Learning Research
Net2Net: Accelerating learning via knowledge transfer. Chen, et al. ICLR 16
Model transfer as model complexity grows
Smart data acquisition, task prioritization
Challenges in Lifelong Learning Research
Net2Net: Accelerating learning via knowledge transfer. Chen, et al. ICLR 16
Model transfer as model complexity grows
Smart data acquisition, task prioritization
Build real-world learning systems as test beds Learning-based learning systems are ideal starting points
Learning-based Learning Systems
Data science for everyone
Scale up deep learning
Deploy AI everywhere
Learning-based Learning Systems
Data science for everyone
Scale up deep learning
Deploy AI everywhere
Full-stack Learning-based Learning System
Learning-based Learning Systems
Data science for everyone
Scale up deep learning
Deploy AI everywhere
Full-stack Learning-based Learning System
Life-long learning Systems
Take Aways: Elements of Future Learning Systems
Beside being accessible and scalable
Intelligent automated by machine learning
Full stack model, systems and hardware co-design
Lifelong consider the entire life-cycle of learning
Take Aways: Elements of Future Learning Systems
Beside being accessible and scalable
Intelligent automated by machine learning
Full stack model, systems and hardware co-design
Lifelong consider the entire life-cycle of learning