Date: Wed, 8 Apr 2015 21:28:50 +0200 From: Daniel Cegiełka <daniel.cegielka@...il.com> To: musl@...ts.openwall.com Cc: John Mudd <johnbmudd@...il.com> Subject: Re: musl perf, 20% slower than native build? 2015-04-08 21:10 GMT+02:00 John Mudd <johnbmudd@...il.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
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