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From: =?UTF-8?Q?Daniel_Cegie=C5=82ka?= <daniel.cegielka@gmail.com>
Newsgroups: gmane.linux.lib.musl.general
Subject: Re: musl perf, 20% slower than native build?
Date: Wed, 8 Apr 2015 21:28:50 +0200
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2015-04-08 21:10 GMT+02:00 John Mudd <johnbmudd@gmail.com>:

> Here's output from perf record/report for libc. This looks consistent with
> the 5% longer run time.
>
> native:
>      2.20%   python  libc-2.19.so         [.] __memcpy_ssse3

>
> musl:
>      4.74%   python  libc.so              [.] memcpy

I was able to get twice speed-up (in my code) just by replacing memcpy
in the musl.

Daniel