Ethernet Fabric for High Performance Computing and AI ML workloads.pdf

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1、EMPOWERING OPENMIT Technology Review,Feb 2020 Scale UpScale OutDigital Life as We Know it Would Not ExistTHE NETWORKIS THECOMPUTER600MEthernet ports shipped annuallyEthernet Leads in Switch Bandwidth and PowerTrident201020122014Trident2TomahawkTomahawk2201620182020Tomahawk5Tomahawk3Tomahawk4202251.2

2、T640G1.28T3.2T6.4T12.8T25.6T1W/100Gbps10W/100GbpsRelentless,Unmatched Advancement 80 x Increased Bandwidth 90%Improved Energy Efficiency40GbE,10G NRZ40GbE,10G NRZ100GbE,25G NRZ100GbE,25G NRZ400GbE,50G PAM4400GbE,50G/100G PAM4800GbE,100G PAM4Shipping NowSignificant Acceleration of Compute for AIOptim

3、ized forSerial TasksGPUOptimized forParallel TasksCPUSELF-DRIVING CARSGENOMICSMultiple CoresThousands of CoresBARD35%57%18%38%0%10%20%30%40%50%60%70%M1M2M3M4“Network I/O is Key For Recommendation Workloads”Time Spent in NetworkingRanking requires high injection&bisection bandwidthOCP keynote by Alex

4、is Bjorlin at 2022 OCP Global SummitM#=ML model#“Time Spent in Networking”is Impacted ByTransient oversubscriptionFlow collisionsIncastJericho3-AI Fabric:Ethernet Networking for AI at Scale32,000 AI Accelerators at 800Gbps eachLowest“Time Spent in Networking”AI AcceleratorJericho3-AI FabricAI Accele

5、ratorAI AcceleratorJericho3-AI10%Performance improvement=network more than paysfor itself“”Jericho3-AI Fabric Innovations Highest Performance Under Load and at ScaleCongestion-Free OperationEnd-to-end scheduled fabricNo collisions,no jitterUltra-HighRadixMassive,flat networks32,000 portsat 800GEZero

6、 Impact Failover(ZIF)Sub-10ns auto-path convergenceNo impact to job completionPerfect Load BalancingEqual spraying over all links of the fabricConsistent high performance at all network loadsEthernet Beats InfiniBand:10+%Improvement in Job