Astera Labs：利用 PCIe、以太网和 UALink 重定时器扩展 AI.pdf

1、1Scaling AI with Purpose-Built Connectivity Aanchal Sharma,Director,Product ManagementChris Blackburn,Principal Solutions Architect October 14,20252Our MissionTo unleash the full potential of AI through purpose-built rack-scale connectivity solutions.33Purpose-Built Connectivity for Rack-Scale AISof

2、tware-Defined,Intelligent Connectivity PlatformHQ San Jose|Austin|Bengaluru|Haifa|Ho Chi Minh City|Irvine|Seattle|Shanghai|Singapore Taipei|Toronto|VancouverTrusted by leading hyperscalers&AI platform providersScaling to Support AI Deployments WorldwideEmbedded SoftwareManagement APIsModulesControll

3、ersI/O ChipletsSignal ConditioningFabricBoardsConnectivity ICs,Boards&ModulesOpticalCopperNVLinkFounded 2017Nasdaq|ALAB4AI Infrastructure Transformation:From Server-Scale to Rack-Scale ComputingThe Server is the unit of computeThe Rack is the unit of compute1.02.08 GPUs Scale-Up to look like one Big

4、 GPU=Scale-up performance limited by the server chassisComponents optimized for server form factor GPU,switch,power,cooling,footprint,etc.Scale-out multiple servers over a network72/288/576 GPUs Scale-Up to look like one MASSIVE GPU.Scale OutScale Up=Scale-up performance limited by the rack enclosur

5、eComponents optimized for rack form factorGPU,switch,power,cooling,footprint,etc.Scale-out multiple racks over a networkAI InfrastructureAI InfrastructureRack-scale solutions are transforming the entire AI infrastructure industry55Astera Labs Connectivity Anchors Open Rack-scale ArchitecturesBackpla

6、neSwitch TrayScale Up.Scale OutScale UpHolistic end-to-end connectivity solution for diverse sets of CPUs,GPUs and XPUsCompute TrayFront EndScale OutXPUXPUXPUXPUCPU6Full Portfolio of Purpose-Built Connectivity Solutions SSDFabricSwitchCPUSWGPUGearboxxPUGBSWCab