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Re: "Experimental" features in releases


Paolo Bonzini wrote:

We use to call this "benchmarketing"

I don't see why GNU would want to do that for anything.


Because (that's unfortunate, agreed) GCC does need some marketing. Unfortunately people compare GCC with icc (or other compilers) using SPEC,

Hmmm, that's not my experience (note that SWIM is Fortran and is listed as a primordial Weather Forecasting Benchmark - I could explain why, but then I have to produce quite a bit of TeX ;-)


What people in my environment do is compare ifc <whatever options they got from their coworkers> against gfortran -O2.

This will never fly, of course.

The first thing I teach them is to add -ffast-math -funroll-loops.

Oh, and last week taught *me* to also suggest -msse2 -mfpmath=sse for those using Intel processors (of course, I use Debian AMD64 testing, so for me that's the default :-)

--
Toon Moene - e-mail: toon@moene.indiv.nluug.nl - phone: +31 346 214290
Saturnushof 14, 3738 XG  Maartensdijk, The Netherlands
A maintainer of GNU Fortran 95: http://gcc.gnu.org/fortran/
My next laptop will be pedal-powered


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