人工智能_机器学习应用中节能型可插拔光器件的关键技术.pdf

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1、Tiger Ninomiya,Principal TechnologistAccelink USA CKey Technologies for Energy-Efficient Pluggable Optics in AI/ML ApplicationsKey Technologies for Energy-Efficient Pluggable Optics in AI/ML ApplicationsTiger Ninomiya,Principal TechnologistAccelink USA CSPECIAL FOCUS:PHOTONICSIntroductionReference:h

2、ttps:/ More fibers and power required for AL/MLIntroduction to Linear Pluggable Optics(LPO)Immersion Cooling and Optical TransceiverSummary AgendaIntroduction to Linear Pluggable Optics(LPO)Linear Pluggable OpticsTraditional Pluggable Optics(with DSP)Linear Pluggable Optics(LPO)Digital Signal Proces

3、sor(DSP)Has full digital equalization for both electrical and optical signals Consume lots of power(40%of module)LPO Achieving a significant power reduction by removing DSP from transceiver 800G and beyond Linear Receive Optics(LRO)The hybrid option using DSP for TxLinear Receive Optics(LRO)Transcei

4、verDSPSwitch ASICDSPTransceiverSwitch ASICDSPTransceiverSwitch ASICDSPDSPWhy LPO?Lower PowerLower LatencyModule CostReliabilityThese would be critical enablers for AL/ML applications800G DR8 LPO Performance on 64-port SwitchN:6336Min:3.10E-13Max:3.10E-8Ave:1.92E-10SD:9.24E-10800G 2xFR4 LPO BER at Lo

5、w/Mid/High loss Switch CHN:240Min:3.51E-12Max:1.89E-8Ave:4.13E-10SD:1.38E-9Power Consumption Comparison7.29.014.07.89.513.79.011.317.59.711.917.10246810121416180246810121416LPOLRODSPLPOLRODSP800G DR8800G 2xFR4Energy Efficiency(pJ/bit)Power Consumption(W)800G Average Module Power Consumption(W)Power

6、and Temperature(based on 800G DR8)454749515355575914001600180020002200Switch Temperature()Switch Power Consumption(W)Switch Temperature and Power ConsumptionDSPLPOTemperature and power consumption matrixData points collected at different fan speed 50/75/100%Can expect to use less power on cooling wi