SNIA-SDC23-Banta-Liu-CXL-and-the-Art_1.pdf

1、1|2023 SNIA.All Rights Reserved.AMD Official Use Only-GeneralVirtual ConferenceSeptember 28-29,2021CXL and the Art of Hierarchical MemoriesTheir Management and UseAndy Banta,Storage Janitor,Magnition Inc.Kin-Yip Liu,Senior Director Solutions Architecture,AMD2|2023 SNIA.All Rights Reserved.AMD Offici

2、al Use Only-GeneralMagnition.io(Consultant)SolidFire(VMware development,acq.by NetApp)DataGravity(Container exploitation lead)VMware(iSCSI Tech Lead,IPO)Sun Microsystems(Initial Fibre Channel development)Patent,early distributed network projects,data acquisitionandybantaAndy Banta3|2023 SNIA.All Rig

3、hts Reserved.AMD Official Use Only-GeneralKin-Yip LiuAMD(Sr.Director,Solutions Architecture;Networking&Storage)Intel(Sr.Director,Architecture;Persistent Memories)Marvell/Cavium Networks(Sr.Director,Solutions Architecture;Networking,Security,3G/LTE/5G Infrastructure,Telco NFV)Intel(Architect,Designer

4、;Server/Network/Mobile Processors)kin-4|2023 SNIA.All Rights Reserved.AMD Official Use Only-GeneralNUMA overviewNon-Uniform Memory ArchitectureNot all memory access is created equal5|2023 SNIA.All Rights Reserved.AMD Official Use Only-GeneralCXL Roadmap Drives Memory Hierarchy InnovationCXL 1.1Coher

5、ent memory expansionBoost capacity and/or bandwidthCXL 2.0Pooling,CXL switchesImprove overall TCO and memory utilizationCXL 3.0Coherent memory sharingNew and fast sharing of data*Only a subset of CXL features and benefits are highlighted here.6|2023 SNIA.All Rights Reserved.AMD Official Use Only-Gen

6、eralCXL Enables More Memory and Hierarchy OptionsCache hierarchyDRAM,HBM(local,same/remote socket)2nd tier memory(local same/remote socket and/or pooled)Storage class/Persistent memories(local same/remote socket and/or pooled)Storage hierarchy(hot/warm/cold tiers)Shorter latenciesByte-addressableFin