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

Vinícius Zavam egypcio at
Sun Mar 13 00:14:37 UTC 2011

2011/3/12 Poul-Henning Kamp <phk at>:
> In message <4D7B44AF.7040406 at>, 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.

i'm still curious about things like CPUTYPE= and -march= configured as
native, gentlemen.
is it the "golden egg" to use with our system or not? why "natives"
aren't in the benchs?

/me feels confused.

Vinícius Zavam

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