tooling quality and some random rant (PathScale)
./C
cbergstrom at pathscale.com
Mon Feb 14 19:57:17 PST 2011
> Mon, 14 Feb 2011 13:00:00 -0800, Walter Bright wrote:
>
>
> How about [2]:
>
> "LTO is quite promising. Actually it is in line or even better with
> improvement got from other compilers (pathscale is the most convenient
> compiler to check lto separately: lto gave there upto 5% improvement
> on SPECFP2000 and 3.5% for SPECInt2000 making compiler about 50%
> slower and generated code size upto 30% bigger). LTO in GCC actually
> results in significant code reduction which is quite different from
> pathscale. That is one of rare cases on my mind when a specific
> optimization works actually better in gcc than in other optimizing
> compilers."
>
> [2] http://gcc.gnu.org/ml/gcc/2009-10/msg00155.html
PathScale is in the process of making significant improvements to our IPA optimization and welcome feedback and more testers in March. Please email me directly if you're a current customer or not.
Thanks!
Christopher
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