Proper GCC flags??

[sloopy]

On Tue, 2005-02-01 at 18:36, Owen Stampflee 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.
> 

Sun is now offering up to 10,000 cpu grids for a mere $1US a CPU/Hour,
which might reduce it by a few seconds...

> 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.

as is said in the performance auto industry:
Speed costs, how fast can you afford to go?

> 
> Cheers,
> Owen
> 

sloopy.