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Profiling Haswell with amplxe-cl

ale3
Beginner
133 Views

Is it possible to collect statistics about L1/L2 TLB Miss on an Intel Haswell processor with amplxe-cl?

If yes, what is the correct syntax to do so with amplxe-cl?

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2 Replies
David_A_Intel1
Employee
133 Views

There are events and metrics around ITLB and DTLB misses.  Please see the tuning guides.  You didn't say desktop or server, so you need to pick the appropriate guide.

General Exploration ('-c general-exploration' command line option) collects all relevant metrics referenced in the tuning guide.

For memory specific information, you might check out the memory-access analysis type.  

In both cases, you can review the metric formulas and create a custom analysis type to collect only those events - though you will have to calculate the formulas yourself, in that case.

ale3
Beginner
133 Views

Ok that worked, thanks.

Would you be able to give examples of metrics concerning DTLB?

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