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Re: GCC 3.3 compile speed regression - AN ANSWER
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Linus Torvalds <torvalds at transmeta dot com>
- Cc: Jan Hubicka <jh at suse dot cz>, tm_gccmail at mail dot kloo dot net,jsm28 at cam dot ac dot uk, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: 13 Feb 2003 09:57:53 -0500
- Subject: Re: GCC 3.3 compile speed regression - AN ANSWER
- References: <Pine.LNX.4.44.0302120836360.5230-100000@home.transmeta.com>
On Wed, 2003-02-12 at 12:15, Linus Torvalds wrote:
>
> On Wed, 12 Feb 2003, Jan Hubicka wrote:
> >
> > You can take a look at http://www.suse.de/~aj/SPEC. It plots such
> > lines. For SPECint score at -O2, 2.95 did 369, current GCC does 398 and
> > with profile feedback 2.95 didn't supported 410. This is about 11%
> > speedup. (7.8% in apples-to-apples comparsion witout profile feedback)
>
> Well, right now suse.de doesn't seem to want to reply to me. I'd like to
> see what the improvement in the gcc part of the benchmark is, since that's
> imho the only actually interesting part of SpecInt.
>
SPEC2000 and SPEC95 are tracked here as well:
http://people.redhat.com/dnovillo/spec2000/
http://people.redhat.com/dnovillo/spec95/
Diego.