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RE: Big differences on SpecFP results for gcc and icc
- From: "Menezes, Evandro" <evandro dot menezes at amd dot com>
- To: "Steven Bosscher" <stevenb at suse dot de>, gcc at gcc dot gnu dot org
- Cc: "Uros Bizjak" <uros at kss-loka dot si>, "Scott Robert Ladd" <scott dot ladd at coyotegulch dot com>
- Date: Mon, 13 Jun 2005 11:20:24 -0500
- Subject: RE: Big differences on SpecFP results for gcc and icc
Steven,
> > An interesting examples are:
> > -177.mesa (this is a c test), where icc is almost 40% faster
>
> It would be interesting to look into this one.
A combination of SSE instead of x87, vectorization, vectorized math library, and very good whole-program IPA.
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Evandro Menezes AMD Austin, TX