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20pt sentence case
© ARM 2016
Premium mobile experience with the new ARM Cortex-A73 processor
Chris Turner
ARM tech forums, Seoul and Taipei
June/July 2016
Director of advanced technology marketing, CPU group
© ARM 2016 2
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Smartphones: The world’s primary compute device
The
smartphone
means so many
things to so
many people
© ARM 2016 3
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The world’s primary mobile compute architecture
85% of mobile
computing
devices are
ARM based 55% CAGR in
5 years 0
400
800
1200
1600
2000
2009 2014
Smartphones
ARM Tablets
x86 Tablets
x86 Laptops
Volu
me (
Mill
ion U
nits)
Source: Gartner and ARM data
© ARM 2016 4
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Cortex-A72: Making its mark
Source: AnandTech
“The Mate 8 is currently the fastest
Android device on the market and
should be able to perform very well
against the upcoming generation of
flagships.”
“You’ve got energy efficiency
balanced with high-end performance
via four A72 2.3 GHz processors, and
four A53 1.8 GHz processors.”
Source: Gizmodo
© ARM 2016 5
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New use cases driving system demands
VIDEO
CPU
GPU
DISPLAY
MEMORY
CAMERA
Creating
immersive
environments
Virtual Reality
120FPS
4K resolution Low latency
Delivering
stunning
interaction
Gaming
Up to 4K
Consistent Frame Rate
Merging
the Virtual
and the
Real
Augmented Reality
Image recognition
Content overlay
© ARM 2016 6
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Evolution of the premium smartphone
Shrinking form factors
Increasing demand for
more efficient compute
More challenging heat dissipation
HTC
Nexus One
11.5mm
New features
45% thinner
since 2010
More
processing
2010 2012 2014 2016
Mate 8
7.9mm
Galaxy S3
8.6mm Lumia 1520
8.4mm
© ARM 2016 7
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Evolving challenges of premium smartphones
Innovation continues to drive performance
AR/VR, Ultra-HD visualization, Object-based audio processing
Thinner designs with longer battery life
Challenge: Thermal constraints and limited battery capacity
User experience is the ultimate metric
Standard benchmarks paint a partial picture
3D/360°
Video LTE Advanced
5G
AR/VR >20MP
Camera
4k/8k
Display Need for Sustained Performance with High Efficiency
© ARM 2016 8
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Thermal throttling and the impact on performance
1550MHz
1229MHz
69°C
62°C
44
52
60
68
400
800
1200
1600
Tem
pera
ture
(°C
)
Fre
quency
(M
Hz)
big CPU Frequency LITTLE CPU Frequency SoC Temperature
-20% Frequency
impact
Normal Operation
Thermally Saturated
Measured on Cortex-A57/A53 device, Geekbench v3 ST
Device Temperature indicative only
Long-run thermal saturation impacts overall system performance
-25% System
Performance
Impact
Device
Temperature
© ARM 2016 9
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0
1
2
3
4
5
6
0
1
2
3
4
5
6
More performance, less power R
ela
tive
vs
Cort
ex-A
7
Power consumption measured in mW/unit performance
Performance measured as single thread at-speed
Cortex-A15 Cortex-A57 Cortex-A72 Cortex-A73
Accelerated growth in
Performance/Cycle
Delivered performance
Continuous reduction
in power consumption
and
Continuous
improvement
in power
efficiency
contributing
to a longer
battery life
Cortex-A15 Cortex-A57 Cortex-A72 Cortex-A73
© ARM 2016 10
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Introducing the most efficient ARM premium CPU
New levels of sustained usage for the
best user experience
Up to 30% increased power efficiency
The smallest premium ARMv8-A processor ever
Premium CPU under 0.65mm2 per core
Highest performance in mobile power envelope
Up to 30% higher performance Frequencies
up to 2.8GHz
Smallest footprint
in Premium
Optimized
for Mobile
Performance and power compared for Cortex-A73 at 10nm
Cortex-A72 at 16nm, same CPU configuration
© ARM 2016 12
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Cortex-A57
20nm @ 1.9GHz
Cortex-A72
16nm @ 2.5GHz
Cortex-A73
10nm @ 2.8GHz
Rela
tive
Perf
orm
ance
Cortex-A73: Maximizes performance
Cortex-A73 sustains peak performance within per-core power budget
Sust
ained ≈
Peak
2.1x
1.3x Su
stai
ned
Peak
Sust
ained
Peak
2015 2016 2017
Cortex-A57 20nm @ 1.9GHz
Cortex-A72 16nm @ 2.5GHz
Cortex-A73 10nm @ 2.8GHz
Sustained operation within 750mW per-core power budget
As measured on Spec2k
© ARM 2016 13
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Cortex-A73: Performance optimized for mobile
+5% on
NEON
+15% on
Memory
+10% on
BBench
Improvement over Cortex-A72
Increased memory throughput
benefiting all memory bound
use-cases
More SIMD performance for
media and compute acceleration
Improved performance for typical
mobile use cases
Memory : JMC Stream Copy 64-bit, NEON : Video FFMEG Codec
Bbench : Bbench v1.1
0.8x
0.9x
1.0x
1.1x
1.2x
BBench NEON Memory
Cortex-A72 Cortex-A73
Performance Relative to Cortex-A72 (ISO-Process, ISO-Frequency)
© ARM 2016 14
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Cortex-A73: Power efficiency benefit
0.0x
0.5x
1.0x
Integer Floating Point L2 Cache Memory Copy
Power Relative to Cortex-A72
(ISO-process, ISO-frequency)
Cortex-A72 Cortex-A73
Giving additional thermal
headroom for the rest of the SOC
>20% Power Saved
© ARM 2016 15
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Cortex-A73: The smallest ARM premium CPU
Core area reduction over
Cortex-A72 for mass market (ISO-process)
Cort
ex-A
72
Cort
ex-A
57
20nm 16nm 10nm
70% Reduction
46% Reduction
2015 2016 2017
Up to
25%
Cortex-A73 reduces footprint allowing additional silicon area for other IP
Configuration: single core, maximum L1 size C
ort
ex-A
73
© ARM 2016 16
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1.0x
1.3x
1.9x
Octa-core
Cortex-A53 (4L+4L)
Hexa-core
Cortex-A73+Cortex-A53 (2b+4L)
1.0x 1.0x 1.0x
Cortex-A73: Boost your mid-range smartphone
Enhanced user experience
Best response time
≈
+30% Multi-core
Performance
+90% Single-thread
Performance
Implemented on the same process technology
Same area footprint
More performance, same footprint
© ARM 2016 17
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Cortex-A premium mobile/consumer roadmap
Cortex-A72
Highest performance
available today
Cortex-A73
Most efficient
High-end
Mobile Processor
Cortex-A72 and Cortex-A73 together cover entire Cortex-A market
Cortex-A72:
Premium mobile
solution for 2016
Infrastructure features
enabling large scale,
high-core count
systems
Automotive and
Industrial markets
requiring safety
support
Cortex-A73:
Premium mobile
solution for 2017
Mobile features
enabling best efficiency
for upcoming devices
Performance tuned for
best Mobile and
Consumer experience
Smallest ARM Premium
CPU processor ever
© ARM 2016 18
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big.LITTLE: A technology that keeps improving
2012 2016
High Performance
‘big’
High Efficiency
‘LITTLE’
big.LITTLE MP Intelligent Power
Allocation* (IPA)
Energy Aware
Scheduling** (EAS) (includes IPA)
Software
Improvement ARMv8 features
thermal management
support
Support for migration & parallel execution on all
cores in a system
Designed for mainline Linux,
using generic energy models
for task scheduling
* Available on Linux today
** Ready for upstream
© ARM 2016 19
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The best user experiences are built from partnerships
Cortex-A73 Mali-G71
Cortex-R8
modem
Multiple Cortex-M for
peripherals & control
CoreLink
CCI-550
CoreSight SoC
and SecurCore
Cortex-A53
TrustZone Security
Apps
OSes
Tools
Firmware & power mgmt.
The richest selection of
compelling applications
Extensive tooling ecosystem
Optimized operating systems
and platforms
A secure and power-efficient foundation
ARM Trusted Firmware
© ARM 2016 21
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Deployment
Deployment
5G modem development timeline
5G Goals
Ultra reliable, low latency
Large scale IoT deployment
Enhanced mobile broadband
Showing specification freeze to first deployment
2014 2015 2016 2017 2018 2019 2020 2021 2022
LTE Advanced
Development
LTE Advanced Pro
Development
5G wave 2
Development
5G wave 1
Development
Modem design
starts in 2016
600 Mbps
> 10 Gbps Deployment
Deployment
2023 2024
© ARM 2016 22
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Cortex-R for high performance embedded compute
Cortex - A Highest performance
Optimised for
rich operating systems
Cortex - R Fast response
Optimised for
high performance,
hard real-time applications
Cortex - M Smallest/lowest power
Optimised for
discrete processing and
microcontrollers
© ARM 2016 23
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Cortex-R8 – Key features
Fast The highest performing processor in its class
Unrivalled Only real-time processor for 5G performance
Reliable Advanced data integrity features
Scalable Performance on demand from 1 to 4 coherent cores
Real Time Low interrupt latency with immediate event response
© ARM 2016 24
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Cortex-R: For right-sized, real-time processing C
ore
Mar
ks*
Scalable & Efficient
Software workload can be spread across
up to 4 cores
* Total MP CoreMarks using 28nm HPM. Max multi processor config.
0
5000
10000
15000
20000
25000
30000
Cortex-R4 Cortex-R5 Cortex-R7 Cortex-R8
Software Compatible
Reducing time to market and protecting
software investment
Market Leading Performance
Best in class hard real-time performance and
power efficiency
Spanning Performance Needs
5G
© ARM 2016 25
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Cortex-R8 extends ARM’s real-time leadership
Unlocks the path to efficient 5G modem and
high-end real-time applications
ARM #1 CPU architecture in modem and storage
Cortex-R8: Highest performance in its class
© ARM 2016 27
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Delivering total system efficiency
ARM develops IP together as a system Complete, validated and optimized solution
Optimized path to memory
Content protection with TrustZone® security
Fully coherent memory system Improved responsiveness and user experience
GPU compute can accelerate new VR and AR use cases
big.LITTLE™ processing with Energy Aware Scheduling
POP Technology Solutions Optimized Artisan® physical IP libraries
Market leading performance and power efficient implementation
Cortex-A53
Mali Display
Cortex-A73
TrustZone Security
Artisan POP & Physical Libraries
Mali Video
Assertive
Camera
Imaging
Mali-G71
CoreLink CCI-550 and DMC-500
Vision Assertive
Display
Cortex-M Cortex-R
© ARM 2016 28
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Cortex-A73: The new premium mobile experience
Compute and graphics performance for
the latest and the most demanding use cases
with Optimized path to Memory
1.5x Performance
compared to
2016 devices
1.3x More
performance
and efficiency