Miss rate and miss penalty

Question

Difference in miss rate and miss panelaty ?

Answer 1

Miss Rate is the frequency at which the miss occur. Like 1 in 1000 instruction. Miss penalty is the extra time taken to service this kind of errors, Like page fault or cache miss or anything else.

Comments

miss rate is number of misses /(number of misses + number of hits). i.e., the denominator is total number of accesses. Need not be no. of instructions.

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Yes sir, Meant that only. But you gave a better answer.

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Tysm sir :)