| Issue |
177611
|
| Summary |
[libc++] Add instrumentation to track the number of retired instructions for the spec benchmarks
|
| Labels |
libc++,
test-suite,
performance
|
| Assignees |
|
| Reporter |
philnik777
|
Currently we only track how long it takes to run the spec suite. This can be quite noisy unfortunately. However, we can additionally track the number of retired instructions, which should be much less noisy, providing us with another tool to spot performance regressions.
This isn't a perfect tool and we should still check the time it takes to run benchmarks, but it should find cases where we unexpectedly hinder optimizations and allow us to pinpoint regressions faster.
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