1B-201_Extending DPUs to Enable Software-Defined IO (SDIO)-ARM.PDF

1、Extending DPUs to Enable Extending DPUs to Enable SoftwareSoftware-Defined I/O(SDIO)Defined I/O(SDIO)Dhaval ParikhDirector,Segment Marketing(Hyperscale Data Center)ArmSan Jose,CA April 26-28,2022Agenda CXL enabled emerging memory tiers and memory disaggregation Key challenges with multiple memory an

2、d storage tiers From memory disaggregation,to storage and memory convergence with SDIO Enabling SDIO by evolving DPU architectures2San Jose,CA April 26-28,2022Justification for Memory Disaggregation Memory pooling and tiering becoming a significant trend Need for higher memory bandwidth per core and

3、 memory capacity due to increase in compute(core)density per server CPU/socket Stranded main memory is a real TCO concern for Hyperscale Data Center Architects CXL addresses these concerns like NVMe-oF did for storageSan Jose,CA April 26-28,2022CXL Attached Pooled Memory Controller Enables Memory Di

4、saggregation in Hyperscale Data Centers San Jose,CA April 26-28,2022Emerging Memory and Storage Architecture in Hyperscale Data CentersSan Jose,CA April 26-28,2022Key Emerging Concerns Relevant in Cloud Hyperscale Environment Improves efficiency via accelerationProgrammabilityMinimizing software ove

5、rheads for emerging storage devicesNew price/perf points and interfaces for storage(SCM,CXL)Need to minimize data movementEmerging Memory TechnologiesIncreasing Network CostsIncreasing Compute HeterogeneitySan Jose,CA April 26-28,2022Software-Defined I/O(SDIO)ArchitectureSan Jose,CA April 26-28,2022

6、Software-defined I/O(SDIO)Controller ArchitectureSan Jose,CA April 26-28,2022Summary Memory pooling lowering TCO by reducing DRAM stranded-ness Memory tiers will add to storage tiers in datacenter Managing tiers of memory and storage emergi