扩展开放计算：RISC-V、Chiplets 以及人工智能和机器人技术的未来.pdf

1、Scaling Open Compute:RISC-V,Chiplets,and the Future of AI and RoboticsWei-Han Lien Chief Architect 4Golden Age of Silicon DiversitySiliconSilicon HeterogeneityHeterogeneityArchitecture Architecture V Variety ariety MultiMulti-vendor vendor Silicon Silicon L Landscape andscape Design Design Compossib

2、ility Compossibility AI PersonalizationUbiquitous AI Compute Open Source Hardware 5ExtensibleScalableEfficientStable6L2TLBIntPRFreelistTWFill Data 64BTW AddressMMUHistory File VF PRFreelistFP PRFreelistCheck-PointsMapperRetireQueueDB0ALUMULFPALUDIVFPALUALURS0RS1RS2 RS3INT/FP RFDB1LD/ST2LD2RS6RS7VFP

3、RFRS4RS5DB3DB4Fill Data 64B Miss/Write AddressWrite64B DataInteger Cluster Unit 0DCTAGDTLBDCACHE256KBx8WDC Way-predictorLDQSTQPattern/stride PrefetcherAddressQueue Write DataQueue FillBufferLoad/Store UnitINT PRFreelistICTAGITLBICACHEIC Way-predictorInstruction Cache Complex Instruction Address Plan

4、eInstruction Data Plane32B FetchI-Miss AddressFill Data 64BPrefetchTAGEBTPTAGEBDPRASNFPBranch Prediction ComplexBranch State TableAlignerFetch BufferDEC13I1I0DEC2DEC1DEC0I2I3I4I5DEC14DEC15I6I7Uop3Uop2Uop1Uop0Uop13Uop14Uop15RS2 RS3DB2BRBRINT RFRS4BTBUOPCacheuCache Uop MaxVFP00-3Integer Cluster Unit 1

5、ST2Foundational Compute IPsSOC TechnologyChipletTechnologyCPUPCIeNetworkingMemoryFabricPower/Thermal ManagementRASSecurityDebugCPU,AI,IO,Memory chipletsApplicationsData CenterTenstorrentTensixNeo CoreTensixNeo CoreTensixNeo CoreTensixNeo CoreL1OverlayNoCTensix NEO YayuiAIDCRISC-V CPU Diversity9RISC-

6、V in the Cross-road RISC-Vs 15-year Journey An academic project in UC Berkeley Mainstream adoption in embedded and industrial applications Sustain momentum High-performance computing implementation Software development Key Requirements Advanced O-o-O CPU design with high-bandwidth memory Optimized c