SESSION 8 Digital Techniques for System Adaptation.pdf

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1、ISSCC 2025SESSION 8Digital Techniques for System Adaptation,Power Management and Clocking8.1:Dynamic Guard Band Features of the IBM zNext System 2025 IEEE International Solid-State Circuits Conference1 of 40Dynamic Guard Band Features of the IBM zNext SystemTobias Webel1,Phillip J.Restle2,Ramon Bert

2、ran2,Alper Buyuktosunoglu2,Sean M.Carey3,Alejandro Cook1,Karl Anderson3,Michael Romain3,Thomas Strach1,Pradeep Bhadravati Parashurama4,Aishwarya Tadkase4,Rahman Abber Tahir1,Luke Jenkins3,Kevin Low3,Eberhard Engler11IBM Systems,Bblingen,Germany2IBM Research,Yorktown Heights,NY3IBM Systems,Poughkeeps

3、ie,NY4IBM Systems,Bangalore,India8.1:Dynamic Guard Band Features of the IBM zNext System 2025 IEEE International Solid-State Circuits Conference2 of 40Outlinen Motivation n Guard Band Control Loopsn IBM Telum II Chip and Systemn Dynamic Guard Band Features of the IBM zNext System n Conclusions8.1:Dy

4、namic Guard Band Features of the IBM zNext System 2025 IEEE International Solid-State Circuits Conference3 of 40Outlinen Motivation n Guard Band Control Loops n IBM Telum II Chip and Systemn Dynamic Guard Band Features of the IBM zNext System n Conclusions8.1:Dynamic Guard Band Features of the IBM z

5、Next System 2025 IEEE International Solid-State Circuits Conference4 of 40Motivationn Dynamically optimize guard bands to achieve power savingsn Power savings lead to higher performance system configurationslmore cores at higher frequency,more system memoryladdition of new AI featuresVoltagetimeComp

6、onent breakdown nTest InaccuracynWear outnThermal variationnVoltage variationGoalChip Guard BandUnrecoverable ErrorVoltageGuard BandOtherGuard BandGoal8.1:Dynamic Guard Band Features of the IBM zNext System 2025 IEEE International Solid-State Circuits Conference5 of 40Outlinen Motivation n Guard Ban