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DC25_SLIDES_Chiphead_PanelEnergyEfficientInterfacesFor_Hutchins.pdf

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1、Information Classification:GeneralWelcome to ConferenceJanuary 2830,2025Santa Clara Convention Center1ExpoJanuary 2930,2025 Information Classification:GeneralEnergy Efficient Interfaces for the Next Generation of AI ComputePanel Discussion:Jeff Hutchins,Moderator(OIF and Ranovus)Nathan Tracy(OIF and

2、 TE Connectivity)Mike Klempa(OIF and Alphawave Semi)Sam Kocsis(OIF and Amphenol)2 2Information Classification:GeneralSPEAKERSJeff HutchinsCTO Office,Director,ROIF Physical&Link Layer Working Group-EEI Vice Chair&OIF TreasurerMike KlempaProduct Marketing,Alphawave SemiMichael.K|OIF Board Member 3Imag

3、eImage Nathan TracyTechnologist,System Architecture TE COIF President of the BoardSam KocsisDirectory of Standards,Amphenolsamuel.kocsisamphenol-OIF Technical Committee Vice Chair3DesignCon 2025 Energy Efficient Interfaces for the Next Generation of AI Compute 4AGENDADesignCon 2025 Energy Efficient

4、Interfaces for the Next Generation of AI Compute 51Overview of OIFs work on Energy Efficient Interfaces(EEI)Jeff Hutchins,RanovusOIF PLL WG EEI Vice Chair2Energy Efficient Ethernet InterfacesMike Klempa,Alphawave SemiOIF Board MemberOIF PLL Interoperability WG Chair3Energy Efficient Local Compute In

5、terfacesSam Kocsis,AmphenolOIF PLL Vice Chair4Exploring the next data rate:448GNathan Tracy,TE ConnectivityOIF President5Q/A Panel DiscussionThe ChallengeDesignCon 2025 Energy Efficient Interfaces for the Next Generation of AI Compute AI training utilizes large quantities of matrix multiplicationGPU

6、s are designed to accelerate“multiply and add”operations used in AI matrix computationEach row in matrix A is paired with every column in matrix B Lots of computation with lots of parameters!Large AI models can partition the computation into smaller chunksTile computations can be handed off to clust

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1. **会议主题**:2025年1月28-30日圣克拉拉会议中心举办,聚焦AI计算下一代能效接口(EEI)。 2. **核心挑战**:AI训练矩阵计算能耗高,需提升带宽、降低延迟及能效(目标<5pJ/b)。 3. **技术方案**: - 光学替代铜缆:非重定时(LPO)、Tx重定时(RTLR)、全重定时(DSP)模块,降低功耗与故障率(如800G模块替代铜缆可节省20kW/机架)。 - 本地计算接口:支持10m内低延迟、高可靠性,推动PCIe光学化及CMIS标准统一。 4. **未来速率**:OIF启动448G项目,探索PAM6/PAM8调制,解决串扰与密度问题。 5. **产业协作**:24家厂商参与互操作性测试,覆盖100m-500m多场景,推动生态标准化。
**AI能效如何提升?** **448G何时商用?** **光模块如何替代铜缆?**
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