Proper GCC flags??
Andrew
virgule88 at videotron.ca
Tue Feb 1 19:11:44 MST 2005
On Tue, 01 Feb 2005 15:36:59 -0800
Owen Stampflee <ostampflee at terrasoftsolutions.com> wrote:
> Dont bother. It takes a fully loaded G5 about 3 weeks to rebuild the
> entire distro... and all you'll do with -O3 everywhere is well, cause
> lots of nice random segfaults and sigills.
>
> Oh yeah, GCC sucks at optimizations, so even if you got things working,
> you might see a 1-2% difference with -O3... now if you were using IBM's
> XL Compilers (which are $$$ and 64-bit only), you'll see much nicer
> gains in the 30% area.
>
> Cheers,
> Owen
>
You've conviced me. Thats cool but I still want better performances :0
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