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RE: Intel C++ vs. gcc: New Numbers for New Versions
- From: "Scott Robert Ladd" <scott at coyotegulch dot com>
- To: "Jan Hubicka" <jh at suse dot cz>
- Cc: "gcc List" <gcc at gcc dot gnu dot org>
- Date: Wed, 4 Dec 2002 11:59:59 -0500
- Subject: RE: Intel C++ vs. gcc: New Numbers for New Versions
> From Jan Hubicka:
> There are supposed to be no changes in performance, as gcc 3.2.x is the
> same as 3.1.x modulo the bugfixes in C++ ABI.
I didn't see anything significant in terms of performance, but I didn;t
expect to, either.
> You may want to try current mainline tree. It should be stable enought
> for your testing and now there is chance to fix performance regressions
> in the case some appeared.
I'll grab that tomorrow, and give it a try.
> Also did you experimented with profile feedback? (ie
> -fprofile-arcs/-fbranch-probabilities in GCC and -prof-gen/-prof-use in
> ICC?)
No, that's on my "to do" list.
..Scott