20260219_B-201_Brown.PDF

1、Accelerating Chiplet Adoption Across ArchitecturesDominic Brown,Senior Principal Engineer,ArmApproach to Reusable Chiplets2Key standardization initiatives driving ecosystem collaboration CollaborationReuse andcollaborate on existing standardsProtocolsExtending existing on-chip protocols for use betw

2、een ChipletsPartitioningSpecification to partition systems across ChipletsClassify chiplet types,properties,and functional requirements within an Arm system.Establish a common language to enable partners to collaborate on multi-dye systems.Identify system-level chiplet interfacing requirements.Creat

3、e consistent Chiplet interfaces and connectivity.Encourage consistency whilst enabling valuable differentiation.Simplify Chiplet specification and integration.Establish Chiplet interface versioning and compatibility guidance.Enable Chiplets to be designed independently of systems.Establish mutual ex

4、pectations between chipletsAccessible to both system and chiplet designersChiplet System Architecture VisionDefine Chiplet TypesInteroperabilityReuseChiplet System Architecture ScopeFunctional partitioningPhysical designSystem designScopeSystem software-Accelerator functionality-Compute performanceC

5、hiplet functionality-ProtocolsChiplet form factor-Physical interface capacity-Package designFunctional interfaces-Physical interface typesArm is Contributing an ISA Neutral Chiplet Architecture to OCPOCPFoundation Chiplet System Architecture(FCSA)+Community additions New system types New chiplet typ

6、es Existing and new Interface definitionArmChiplet System ArchitectureArm CSA will continue to evolve,built on the FCSA Additional architecture specific rules FCSA and Arm CSA to be alignedNowPlannedArmChiplet System ArchitectureISA neutralCan be ISAspecificArm is Contributing an ISA Neutral Chiplet