Re: FreeBSD Compiler Benchmark: gcc-base vs. gcc-ports vs. clang

From: Poul-Henning Kamp <phk_at_phk.freebsd.dk>
Date: Sat, 12 Mar 2011 13:35:37 +0000
In message <4D7B44AF.7040406_at_FreeBSD.org>, Martin Matuska writes:


Thanks a lot for doing this properly.

>What significance level should I take?

I think I set ministat(1) to use 95 % confidence level by default
and that is in general a pretty safe bet (1 in 20 chance)

>I hope this approach is better :)

Much, much better.

As I said, this was not to go after you personally, but to point
out that we need to be more rigorous with benchmarks in general.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk_at_FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
Received on Sat Mar 12 2011 - 12:35:40 UTC

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