Date: Wed, 8 Apr 2015 18:58:54 +0300 (MSK) From: Alexander Monakov <amonakov@...ras.ru> To: John Mudd <johnbmudd@...il.com> cc: musl <musl@...ts.openwall.com> Subject: Re: musl perf, 20% slower than native build? On Wed, 8 Apr 2015, John Mudd wrote: > I've also never used "perf" before. Feel free to advise if this needs > improvement. Yes, can you please also provide perf record/report output? Plain 'perf stat' is good for a very high-level overview, but insufficient to understand where performance is lost. Running `perf record python ...` will create 'perf.data' file in current directory. Use `perf report` to view it, or `perf report --stdio` to retrieve pasteable output (top 25 or so lines should do). Thanks for looking into it. Alexander
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