Re: LTO: Speedup -- some preliminary SPEC2000 results

2009-10-07 Thread Vladimir Makarov
Jan Hubicka wrote: So things seems to work now plus minus as expected. I.e. LTO builds seems similar to combined builds and whole-programs improves code size quite noticeably. Runtime results for gzip are pretty much unchanged, but that is expected. I am quite curoius about full SPEC run.

Re: LTO: Speedup -- some preliminary SPEC2000 results

2009-10-07 Thread Richard Guenther
On Wed, Oct 7, 2009 at 4:25 PM, Vladimir Makarov vmaka...@redhat.com wrote: Jan Hubicka wrote: So things seems to work now plus minus as expected.  I.e. LTO builds seems similar to combined builds and whole-programs improves code size quite noticeably. Runtime results for gzip are pretty

Re: LTO: Speedup -- some preliminary SPEC2000 results

2009-10-07 Thread Jan Hubicka
Hi, thanks for the report! It is actually more promising than I've expected. A while ago I did similar tests with whole-program and --combine and we didn't get very consistent with performance (I saw also code size reductions). I guess geomaverage will go down for specint after