'Issue decode instructions' presentation slideshows

1.1k views • 89 slides

Lecture 5: Introduction to Advanced Pipelining: Out of Order Execution

Lecture 5: Introduction to Advanced Pipelining: Out of Order Execution. Prof. John Kubiatowicz Computer Science 252 Fall 1998. Review: Exceptions and Compiler Scheduling. Exceptional control flow comes in three flavors: Exceptions - relevant to current process

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The Big Picture: Where are We Now?

518 views • 40 slides

Can HW get CPI closer to 1?

Key idea #2: Register Renaming DIVD F0 ,F2,F4 DIVD F0 ,F2,F4 ADDD F10, F0 ,F8 ADDD F10, F0 ,F8 SUBD F0 ,F8,F14 SUBD F100 ,F8,F14 MULD F6,F10, F0 MULD F6,F10, F100 Totally removes WAR and WAW hazards. Can HW get CPI closer to 1?. Why in HW/at run time?

384 views • 38 slides