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Re: [PATCH] Re: sharing mutex between libc stub and libpthread
Paul Goyette <paul%whooppee.com@localhost> wrote:
> > 100 million gmtime(&now): slowdown not significant
> > without the patch: 49,15s, 34 samples, sd 0.35
> > with the patch, 48.55s, 51 samples, sf 0.50
>
> By my quick calculations, that's a 1.2% difference. While not
> substantial, it seems significant to me.
Check the standard deviations: the error bars for the two values
overlap. But if you want a stronger hint that the difference is not
significant, please note that the patched version, which just add code,
is faster than the plain version.
--
Emmanuel Dreyfus
http://hcpnet.free.fr/pubz
manu%netbsd.org@localhost
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