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Calculating LLC MPKI

cnsujeer
Employee
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I am interested in calculating the LLC MPKI for RPL-S. 

And, as per my understanding, I should be using MEM_LOAD_RETIRED.LLC_MISS event. 

And the formula would be: 

LLC MPKI = MEM_LOAD_RETIRED.LLC_MISS/INST_RETIRED.ANY*1000.

Can you confirm if the above formula is, ok? 

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yuzhang3_intel
Moderator
1,406 Views

Let me check and give update.

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yuzhang3_intel
Moderator
1,365 Views

That formula looks correct if you want the load instructions from P-core that miss L3. The correct event name is MEM_LOAD_RETIRED.L3_MISS rather than MEM_LOAD_RETIRED.LLC_MISS.

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