[libcxx-commits] [libcxx] [libc++] __key_equiv is sometimes 2x expensive (PR #175087)

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halbi2 wrote:

> how can we explain the consistent speed up in the count, lower_bound, and upper_bound

The benchmark is not very good, it is noisy. Perhaps my computer is faster on the second run. I do not care about the benchmark because the change is very obvious and trivial.

@huixie90 could you help me merge this please?

https://github.com/llvm/llvm-project/pull/175087