Arm s Latest CPU for Laptop-Class Performance

Transcription

1 Arm s Latest CPU for Laptop-Class Performance 2018 Arm Limited Aditya Bedi Arm Tech Symposia India

2 Untethered. Connected. Immersive. Innovation continues to drive growth and performance demands on our compute devices Small to large screen Multi-day battery life 5G transformation Security Arm Limited

3 Last year we announced new DynamIQ processors >20% More mobile performance vs Cortex-A73 Same Sustained performance as Cortex-A73 +40% Infrastructure performance vs Cortex-A72 Performance leadership in mobile Best possible power profile Improved performance in infrastructure Up to 2x more performance Up to 15% better power efficiency Up to 10x more configurable For advanced use cases Higher sustained performance Edge to cloud scalability Arm Limited

4 Designing for user experience from small screens to large System responsiveness High single thread performance for user facing metrics Apps launch and closing Web browsing Productivity applications Scalability with area efficient octa-core solution CPU availability for performance demand responsiveness Arm Limited

5 Designing for user experience from small screens to large Energy savings and power efficiency Efficient scheduling Power efficiency cores for low demanding tasks and background services Power optimization Finer-grained speed control Autonomous memory power management Fast power on/sleep/off management Arm Limited

6 Arm Cortex-A portfolio Armv7-A Armv8-A Cortex-A15/A17 Infrastructure performance; mobile efficiency 32-bit Cortex-A57 Proven infrastructure performance Cortex-A72 For all applications Cortex-A73 For mobile and consumer Cortex-A75 Ground-breaking performance for all markets Cortex-A76 Laptop-class performance with smartphone efficiency Cortex-A7x series Cortex-A9 Well-established, mid-range processor Cortex-A53 Balanced performance and efficiency Cortex-A55 Highest efficiency midrange processor Cortex-A5x series 32-bit Cortex-A5/A7 Smallest and lowest power Armv7-A Cortex-A35 Smallest, lowest power Armv8-A Cortex-A32 Smallest, lowest power 32-bit Armv8-A Cortex-A3x series 32-bit 32-bit Arm Limited Arm big.little compatible Year of IP release, volume devices in the subsequent year 2018

7 Arm Cortex-A portfolio Armv7-A Armv8-A Cortex-A15/A17 Infrastructure performance; mobile efficiency 32-bit Cortex-A57 Proven infrastructure performance Cortex-A72 For all applications Cortex-A73 For mobile and consumer Cortex-A75 Ground-breaking performance for all markets Cortex-A76 Laptop-class performance with smartphone efficiency Cortex-A7x series Cortex-A9 Well-established, mid-range processor Cortex-A53 Balanced performance and efficiency Cortex-A55 Highest efficiency midrange processor Cortex-A5x series 32-bit Cortex-A5/A7 Smallest and lowest power Armv7-A Cortex-A35 Smallest, lowest power Armv8-A Cortex-A32 Smallest, lowest power 32-bit Armv8-A Cortex-A3x series 32-bit 32-bit Arm Limited Arm big.little compatible Year of IP release, volume devices in the subsequent year 2018

8 Let s take a closer look Arm Limited

9 Arm Cortex-A76 CPU Laptop-class performance, smartphone experience Built from the ground up with new microarchitecture capabilities Built on innovative DynamIQ technology Battery life that can outlast your work day Longer Battery Life Better energy efficiency Intelligent Computing Increased Machine Learning performance Increasing Productivity Performance without compromise Arm Limited

10 Cortex-A76: Performance efficiency - focus on the user Cortex-A76 CPU is focused on performance and performance efficiency Performance efficiency - extract significantly more performance than any other microarchitectures at similar complexity Requires intense focus on every aspect of the microarchitecture More performance from every logic block Focus on the end-user, enable sustained full-speed performance Yes, we also do well on benchmarks Arm Limited

11 Branch prediction Cortex-A76: Front-end Front-end built to hide latency at high bandwidth Multi-level branch-target caches Hybrid indirect predictor - unparalleled prediction capability Front-end Instruction Fetch 64K I-Cache L1-ITLB Decode/Rename/ Commit Arm Limited

12 4-8 instructions/cycle 4 Mops/cycle 8 uops/cycle dispatch Decode DQ Register rename Dispatch Cortex-A76: Decode/Rename/Commit 4-instruction/cycle, power-optimized decode High-density decode/rename Decode/Rename/Commit Execution core Dispatch to out-of-order core and commit unit L1 Data cache / MMU Commit Arm Limited

13 ASIMD Integer Cortex-A76: Execution core Uops dispatched to 120-entry issue queue capacity Dual 128-bit ASIMD/FP execution pipelines State-of-the-art latency-optimized VX data paths IQ IQ Branch ALU ALU ALU/MAC/DIV Execution core IQ FMUL/FADD/FDIV/ALU/IMAC FMUL/FADD/ALU L1 Data cache / MMU Arm Limited

14 Cortex-A76: Cache hierarchy and performance Full cache hierarchy is co-optimized for latency and bandwidth Sophisticated 4th generation prefetcher 256KB-512KB private L2 with 9-cycle LD-use 2M-4M DynamIQ L3 with cycle LD-use Memory hierarchy bandwidth Cortex-A76 vs. Cortex-A75 L1 cache L2 cache L3 cache DRAM Arm Limited

15 Accelerating the performance curve in any workloads Pushing the single-thread performance +25% more integer IPC than the Cortex-A75 CPU +35% higher ASIMD/FP performance +90% higher memory bandwidth Boosting mobile experience +28% more Geekbench performance +35% more Javascript performance Enabling intelligence at the edge 3.9x more AI performance Baseline IPC - frequency upside from here 1.58x 1.79x 1.56x SPECINT2K6 SPECFP2K6 Geekbench v4 1.77x Javascript 2.44x LMBench memcpy Cortex-A73 Cortex-A75 Cortex-A76 IPC comparison - iso-process/-frequency 9.7x GEMM lowp Arm Limited

16 Building for the premium experience for advanced process High-performance Cortex-A76 implementation 3+ GHz in 7nm Increasing Cortex-A55 CPU private L2 cache Cortex-A76 Cortex-A55 DynamIQ Shared Unit Implementing 4MB L3 cache CoreLink CCI-550 Other IPs Optimized memory system DMC LPDDR4x DMC Memory System Integrated TrustZone technology Arm Limited

17 Cortex-A76 CPU delivers premium performance Performance (relative scores based on AArch64 SpecInt2K6) 2x Performance improvement 2.1x 1.9x Peak single-thread performance Cortex-A73 16nm Cortex-A75 10nm big.little performance 5W Cortex-A76 7nm Arm Limited Configuration: Cortex-A GHz, L1 64KB, L3 2MB: Cortex-A GHz, L1 64KB, L2 512KB, L3 2MB: Cortex-A GHz, L1 64KB, L2 512KB, L3 4MB

18 It starts with an ecosystem Arm Limited

19 Yoga C630 Miix 630 Envy x2 835 NovaGo Always On, Always Connected PCs powered by Snapdragon And more Pace of innovation *Requires network connection and will support up to 20 hours of battery life Credit: Qualcomm Technologies, Inc. 19

20 The evolution of the always on, always connected pc Arm Limited Image created by Arm based off Shrout Research data: download the full whitepaper at

21 Delivering on promises Improvement across all benchmarks 1.4 Relative to previous generation Cortex-A system Over 25% minimum performance uplift x 1.3x 1.2x 1.3x 1.4x 1.4x Speedometer Geekbench single-core Geekbench multi-core WebXPRT 3 TouchXPRT16 MotionMark 1.0 Source: Shrout Research, measured on Lenovo C630 and HP Envy x2 devices Arm Limited

22 Extended battery life and thermal constraints on real-system Running your apps longer Web browsing battery life improvement (relative to previous system) Multi-day battery life Time improvement between charge (relative to previous system) 1.3x 1.3x Arm Limited Source: Shrout Research, measured on Lenovo C630 and HP Envy x2 devices

23 The journey ahead Arm Limited

24 Client Compute CPU roadmap Cortex-A73 16nm Cortex-A75 10nm Cortex-A76 7nm Deimos 7nm Hercules 7nm and 5nm Arm Limited

25 Performance Path to compute performance leadership with efficiency Intel Core i5 U-series A performance trajectory surpassing Moore s law Core i5-4300u 22nm Core i5-6300u 14nm Core i5-7300u 14nm Arm Compute 2.5x increase Unmatched year-over-year Arm CPU performance gains Cortex-A15 Cortex-A57 Cortex-A72 Cortex-A73 Cortex-A75 Cortex-A76 Deimos Hercules 28nm 20nm 16nm 16nm 10nm 7nm 7nm 5nm 2013 Single-core performance estimates based on SPECINT2k Arm Limited

26 Expanding the mobile experience Innovation on mobile from small screens to large is changing the user experience and continues to push growth The new premium IP delivers Laptop-class performance Arm with its ecosystem is aligning itself to meet customer needs and get ready for 5G evolution for truly connected experiences Arm Limited

27 Thank You Danke Merci 谢谢ありがとう Gracias Kiitos 감사합니다 धन यव द תודה Arm Limited