This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: Fix PR 30735 and 31090: Change static memory partition heuristic
- From: "H. J. Lu" <hjl at lucon dot org>
- To: Diego Novillo <dnovillo at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Wed, 11 Apr 2007 10:26:00 -0700
- Subject: Re: Fix PR 30735 and 31090: Change static memory partition heuristic
- References: <461D0920.9080901@redhat.com>
On Wed, Apr 11, 2007 at 12:13:20PM -0400, Diego Novillo wrote:
>
> In terms of runtime, I have not noticed slowdowns in SPEC2000 nor
> Polyhedron. I did notice a 6-7% performance improvement on tramp3d at
> -O2. However, being a static heuristic, I presume we'll go over this a
> few more rounds.
>
How does it compare against revision 119759 on ia32 and x86-64?
I haven't found a revision which generates better SPEC CPU 2006
-O2 -ffast-math numbers than revision 119759 on x86-64.
H.J.