大型 CXL 内存扩展系统和工作负载.pdf

1、Sumit Puri(Liqid)and Ajay Joshi(Micron)Large CXL Memory Expansion Systems and WorkloadsLarge CXL Memory Expansion Systems and WorkloadsSumit Puri(Liqid)and Ajay Joshi(Micron)SERVER:COMPOSABLE MEMORY SYSTEMS(CMS)CXL Market Revenue ForecastStrong Market Momentum for CXL Pooling and Sharing2026 2028($2

2、.1B)=($15.8B)750%Growthhttps:/ Expansion vs.Pooling and SharingMemory ExpansionMemory Pooling and SharingMemory Expansion ChassisCXL Memory DeviceCXL Memory Device(Deployed Inside Server)(Deployed in External Expansion Chassis)Static ConfigurationDynamic ProvisioningServerServerServerComposable CXL

3、Building BlocksToR Switch15x Ports CXL 2.0(x16)Support PCIe Gen51RU Form FactorOptical CablesCDFP ConnectorSingle Cable for x16 30m Length SupportedFabric ManagerCXL 2.0 Fabric ManagerEnables ProvisioningDrives Pooling and SharingHBAHost Bus AdapterCXL x16 UplinkHHHL Form FactorExpansion Chassis10 x

4、 AIC Mem Exp Chassis5x CXL 2.0(x16)Uplinks4RU Form FactorRDIMM Memory1 TB(128 GB DIMM)CXL 2.0 x16AIC FHHL Form FactorE3.S Memory256 GBCXL 2.0 x8E3.S Form FactorAIC Memory4TB HybridCXL 2.0 x16AIC FHFL Form FactorSoftware Defined Composable InfrastructureHost Interface Card-Gen5 x16 Per LinkResource E

5、xpansion ChassisServers1U,2U,2U4N,Blade,etc.DevicesCXL MemorySoftware Defined Composable InfrastructureComposable SoftwareExpansion ChassisCXL:RDIMM-E3.S-AICServers1-4U|4N2U|Blade|Edge Fabric SwitchCXLNetwork SwitchEthernet|InfiniBandOptimize Memory Power and PlacementLow Latency Full Stack Solution

6、Higher Performance Data Base AccelerationDemo:Dynamic Memory AllocationBeforeAfterDemo:CXL Memory Sharing5TB is attached to one HBA(Host Bus Adapter)and 6TB is attached to another HBA on the same server HOST1 and HOST2 share the 11TB CXL memoryConfiguration Results:Multi-Host Memory SharingHost 1(10