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Raspberry Pi HPC TestbedRaspberry Pi HPC Testbed
By Bradford W. BazemoreGeorgia Southern University
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The Goal
All in one cluster Energy efficient Cost effective Foundation for
future work Multipurpose
System
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HPCHPC
Computing Centers Mainframes Supercomputers
PC Computing
Centers to Computer Labs
HPC is still needed
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ClustersClusters
Used in many fields Engineering Physics Economics
Complicated to design and build
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MPI and Linux
MPI the main tool for cluster programming
Linux is the main OS of clusters
Both inefficient Linux Kernel
15.9 million lines of code
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Raspberry Pi
Very small computer Cheap $$$ Energy Efficient Reusable 3D printed modular
system
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The Cluster
Custom built 3D printed parts Modular Expandable Cost effective Energy efficient
122.5 W
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System Design
Node i
Node i+n
Netw
ork Sw
itchPower Supply
Internet
Main Power
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MetricsMetrics
Amdahl's Law
S p=T 1
T p
Pestimated=
1SU
−1
1NP
−1
S (N )= 1
(1−P )+ PN
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Conclusion
VERY complex, VERY simple solution This is just the start Numerous applications
