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Utility for measuring the CPU and GPU times of fusion regions for a particular backend in a model #1638

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kevinstephano opened this issue Jan 10, 2025 · 2 comments
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Utility for measuring the CPU and GPU times of fusion regions for a particular backend in a model #1638

kevinstephano opened this issue Jan 10, 2025 · 2 comments
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enhancement New feature or request

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@kevinstephano
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🚀 Feature

Add a utility to be able to measure the CPU time and kernel time for the fusions attributed to a backend like nvFuser.

Motivation

To figure out the contributions of backend to the overall performance of a model.

cc @mruberry
@kevinstephano kevinstephano added the enhancement New feature or request label Jan 10, 2025
@t-vi
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t-vi commented Jan 13, 2025

@tfogal had a thing for nvtx markers everywhere.
Ideally, we would have a somewhat generic gathering and then "sum up everything matching nvfuser" in a utility function.

@IvanYashchuk
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@kshitij12345 has added this utility in #1682. @kevinstephano, please take a look at the example in the PR description. Is that what you were looking for?

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@kevinstephano @IvanYashchuk @t-vi