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What is the formula for IC fetch rate, IC miss rate and IC miss ratio

Question asked by ioanolt on Mar 6, 2012
Latest reply on Mar 7, 2012 by ioanolt

I am looking at an Instruction cache report and I see the following info:

 

Ret inst  : 378

IC fetches  : 128

IC misses  : 187

IC fetch rate : 3.98

IC miss rate : 0.75

IC miss ratio : 1.23

From what I understand, the IC fetch rate, IC miss rate and IC miss ratio are all calculated based on the IC fetches and IC misses counters. Is that true? If yes, what is the formula that was used?

 

Thanks!

-Ioan

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