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Page 1: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 2: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 3: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 4: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 5: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 6: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 7: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 8: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 9: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 10: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 11: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 12: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 13: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 14: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 15: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 16: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 17: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 18: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 19: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 20: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 21: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 22: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 23: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 24: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 25: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 26: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 27: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 28: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 29: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 30: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 31: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 32: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 33: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 34: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 35: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 36: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 37: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 38: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

4-deep RAS organization

RAS – EE560 7

32 bit

TOSP

TOSP+1

32 bit

RAS

UseWhenEmpty

RAS counter

010

Page 39: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

4-deep RAS organization

RAS – EE560 7

32 bit

TOSP

TOSP+1

32 bit

RAS

UseWhenEmpty

RAS counter

010

Page 40: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 41: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 42: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 43: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 44: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

SOLUTION

Page 45: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 46: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

SOLUTION

Page 47: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 48: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

Page 49: EE457 Branch Prediction r2 - branch prediction branch prediction buffer (bpb) accessed with instruction in i-fetch instrucion memory ... ttttttttttt examples tttttttt n ttttttt

SOLUTION

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Dynamic Branch Prediction - intra.engr.ucr.edu

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Branch Prediction - Computer Action Teamweb.cecs.pdx.edu/~zeshan/ece587_lec3.pdf · 2018. 10. 1. · Branch Penalty Example: Comparing perfect branch prediction to 90%, 95%, 99% prediction

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The Impact of Branch Prediction on Control Structures for ... · PDF fileThe Impact of Branch Prediction on Control Structures for Dynamic Dispatch ... The Impact of Branch Prediction

Dynamic Hardware Branch Prediction - UW Computer ...pages.cs.wisc.edu/~guo/projects/752.doc · Web view2.1. One-bit Branch Prediction Buffer This is the simplest dynamic branch prediction

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