https://bugs.freedesktop.org/show_bug.cgi?id=107670
--- Comment #10 from Emil Velikov <[email protected]> ---
My personal train of though:
Details such as WC are left to the kernel module. Even on the case where
userspace can provide hints, it's ultimately up-to the kernel to manage it.
Optimising w/o saying the benchmark/game name is _seriously_ moot.
Furthermore, doing benchmarks on a i586 build is also fairly moot.
You are correct though - _if_ glibc decides to change things perf. _may_ drop.
If memcpy shows so prominently in perf, we should look why we're using it so
often. Polishing the memcpy implementation is putting a band-aid instead of
fixing the actual problem.
Again, that's my personal take. Feel free to ignore.
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