VEDLIoT at FPL'23_Accelerators for Heterogenous Computing in AIoT
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VEDLIoT took part in the 33rd International Conference on Field-Programmable Logic and Applications (FPL 2023), in Gothenburg, Sweden. René Griessl (UNIBI) presented VEDLIoT and our latest achievements in the Research Projects Event session, giving a presentation entitled "Accelerators for Heterogenous Computing in AIoT".
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VEDLIoT at FPL'23_Accelerators for Heterogenous Computing in AIoT
- 1. Rene Griessl Bielefeld University VEDLIoT – Accelerators for Heterogenous Computing in AIoT
- 3. 3 VEDLIoT Hardware Platform Heterogeneous, modular, scalable microserver system Supporting the full spectrum of IoT from embedded over the edge towards the cloud Different technology concepts for improving x86 GPU ML-ASIC ARM v8 GPU SoC FPGA SoC RISC-V FPGA VEDLIOT Cognitive IoT Platform Performance Cost-effectiveness Maintainability Reliability Energy-Efficiency Safety
- 4. 4 RECS Architecture – RECS|BOX RECS Server Backplane (up to 15 Carriers) Carrier (PCIe Expansion) Carrier (High Performance) e.g. GPU-Accelerator Carrier (Low Power) #3 #2 Microserver (High Performance) #1 Microserver (Low Power) #16 #3 #2 Microserver (Low Power) #1 High-Speed Low-Latency Network (PCIe, High-Speed Serial) Compute Network (up to 40 GbE) Management Network (KVM, Monitoring, …) HDMI/USB iPass+ HD QSFP+ RJ45 Ext. Connectors GPU SoC FPGA SoC ARM Soc Low-Power Microserver (Apalis/Jetson) x86 ARM v8 High-Performance Microserver (COM Express) FPGA SoC High-Performance Carrier (up to 3 microservers) Low-Power Carrier (up to 16 microservers)
- 5. 5 t.RECS t.RECS Edge Server Optimized platform for local / edge applications Provide interfaces for Video Camera Peripheral input (USB) Combine FPGA and GPU acceleration Compact dimensions 1 RU, E-ATX form factor (2 RU/ 3 RU for special cases) RECS Architecture – t.RECS Microserver #3 (COM-HPC Client) Microserver #1 (COM-HPC Client) Microserver #2 (COM-HPC Server) Switched PCIe (Host to Host) External interfaces PCIe expansion Ethernet (up to 10 GbE) Management Network (KVM, Monitoring, …) I/O (Camera, Display, Radar/Lidar, Audio)
- 6. 6 u.RECS u.RECS AIoT Server Supports ML acceleration FPGA ASIC Communication interfaces Wired (CAN, Ethernet, CSI) Wireless (WLAN, LoRa, 5G) Sensors Camera Environment (Temp./Hum.) Housekeeping Embedded Device (~ 20x20x6 cm) RECS Architecture – u.RECS PCIe Ethernet (1 GbE & SPE) Management & Monitoring I/O (Camera, WiFi, LoRa, 4G/5G) Microserver #1 (SMARC 2.1) Microserver #2 (Jetson NX) ML Acc. (M.2) Front Panel 2x HDMI RJ45/ SPE 4x USB 3.1
- 7. 7 Microserver Overview u.RECS t.RECS RECS|Box Xilinx Kria K26 NVIDIA Jetson Orin NX Hailo-8 SMARC 2.1 x86/ARM CPUs, FPGAs Raspberry Pi Compute Module 4 COM-HPC Client X86 COM-HPC NVIDIA AGX Adapter COM-HPC Server FPGA COM Express ARM v8 Server SoC Hi1616 COM Express Xilinx Zynq 7045 COM Express AMD Ryzen V1807B Jetson TX2 NVIDIA Tegra X2 COM Express Intel Stratix 10 COM Express Intel Core i7 8th Gen NVIDIA Jetson Orin NX COM Express AMD EPYC 3451
- 8. 8 ▪ VEDLIoT accelerators support a large variety of reconfigurable architectures ▪ From small embedded FPGAs to large ACAPs ▪ Large design space for FPGA-based accelerators ▪ Dynamic hardware reconfiguration ▪ Adapt to changing requirements at run-time ▪ Change characteristics of DL-accelerator ▪ Trade-off between power and performance, power and accuracy, etc. ▪ Inference and training on FPGA ▪ Supports quantization from int8 to float32 ▪ DL and Deep Reinforcement Learning Reconfigurable DL accelerators
- 9. 9 Peak performance values of specialized accelerators, provided by the vendors (precisions varying from INT8 to FP32) Peak Performance of DL Accelerators Average efficiency at 1000 GOPS /W [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] [CELLRANGE] 1 10 100 1,000 10,000 100,000 1,000,000 10,000,000 0.01 0.1 1 10 100 1000 Performance [GOPS] Power [Watt] ASIC GPU FPGA Ultra Low Power High Performance Low Power
- 10. 10 Yolo v4 accelerator performance (1) YoloV4 • 15 devices • 59 measurements
- 11. 11 Yolo v4 accelerator performance (2) Performance of Yolo v4 for different hardware platform has been evaluated Performance measurement for other networks (Resnet, EfficientNet) available as well • ASICs (Hailo-8, Versal AI cores) achieve highest energy efficiency (only INT8) • Embedded GPUs (Orin, Xavier) show good efficiency in all precisions • GPGPU (GTX1660, V100, A100) are optimized for performance
- 12. 12 Summary Efficient Heterogeneous Computing: The VEDLIoT hardware platform RECS combines diverse compute architectures, boosting communication and energy efficiency. Accelerator Integration: The VEDLIoT project harnesses RECS for accelerator benchmarking and hardware/software integration. Seamless Edge to Cloud Integration: RECS offers a unified approach across the computing spectrum, enhancing interoperability.
- 13. 13
- 14. 14 Big Picture
- 15. 15 DL accelerator co-design "FiBHA: Fixed Budget Hybrid CNN Accelerator", Fareed Qararyah, Muhammad Waqar Azhar, Pedro Trancoso, IEEE 34th International Symposium on Computer Architecture and High- Performance Computing (SBAC-PAD 2022), Bordeaux, France, November 2–5 2022 Monolithic design ● One engine computes all the core layers ● E.g. TPU SEML ● One engine computes all layers of the same type ● PW engine, DW engine SESL ● One engine per layer ● E.g. FINN FiBHA ● SESL + SEML
- 16. 16 VEDLIoT‘s Deep Learning Toolchain Enabling the rapid convergence of the fast pace innovation on the hardware and software Frameworks & Exchange Formats Optimization Engine Compilers & Runtime APIs Heterogeneous Hardware Platforms
- 17. 17 Simulation platform for ML accelerators ▪ RISC-V SoCs and Custom Function Units ▪ Improve test and verification ▪ Co-simulate Verilog blocks ▪ Used in Google’s CFU Playground ▪ Continuous integration based in Gitlab and Google Cloud Platform Safety and Robustness Robustness verification on DL models ▪ Tuning hyperparameters More in the hands on session
- 18. 18 ▪ Common environment for running distributed applications ▪ WebAssembly runtime + Trusted Execution Environment ▪ Security for edge (and cloud) devices ▪ Advances on attestation ▪ Better support for edge devices ▪ Distributed (Byzantine fault-tolerant) attestation and configuration service ▪ Secure IoT Gateway Security
- 19. 19 A compositional architecture framework for AIoT Knowledge creation (e.g. definition of safety goals). Concept design (e.g. introduction of redundancy to fulfil safety goals). Final design (e.g. assigning functions to independent processors to guarantee redundancy). Monitoring concept definition (e.g. monitoring fulfilment of safety goals at run-time). Solution Space Problem Space
Editor's Notes
- Focus on Xilinx DPU and then Different DPU (Deeplearning processing Unit) Configurations Different DPU Configurations DPU for UltraScale (Zynq Virtex Kintex) in Fabric DPU for HBM Alveo Cards DPU in Hardware for Versal
- Different clusters are forming
- Extensive Benchmarks on 15 devices generating 59 measurements
- Self measured effiency data using the RECS system Values lower due tue real world performance, not peak performance
- SEML: Seingle Engine Multi Layer SESL: Single Engine Single Layer Matching the hardware to the accelerator Net distributes compute single layer in single engine Consider memory, what does it need to access, does it need cache?
- Model Optimazation due tue pruning or precision changes to tailor it to the used accelerator and reduce content switching for example
- Emulation of the Rebustness models in Renode
- Using the WebAssembly runtime to have a capsuled deployment on different system Integration of remote attastion in WebAssembly Available on ARM, Jetson, everything that supports OpTee
- Requirements engineering Frameworf (RAF) for ML/AI systems and solutions giving guidance how to design a system to make it secure efficient and working good Challenging as ML cannot be proven formally Important to make sure ML/AI solutions are save to use in for example autonomous driving AIoT Artificial intelligence of things