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Re: GCC 4.0 Freeze
- From: ja2morri at csclub dot uwaterloo dot ca (James A. Morrison)
- To: howarth at bromo dot msbb dot uc dot edu (Jack Howarth)
- Cc: fortran at gcc dot gnu dot org, gcc at gcc dot gnu dot org
- Date: 17 Apr 2005 01:07:36 -0400
- Subject: Re: GCC 4.0 Freeze
- References: <20050417033714.C98891DC09B@bromo.msbb.uc.edu>
howarth@bromo.msbb.uc.edu (Jack Howarth) writes:
> Even if there were complete g77 compatibility in g95, folks may want
> to stick with the g77 version from gcc 3.4 for awhile purely for
> performance reasons. In doing some test runs of the APBS
> Adaptive Poisson-Boltzmann Solver program, I discovered that the g95
> built binary runs 60% slower than the g77 built version. This was
> on MacOS X 10.3.8 using the version from Feb 24, 2005.
> Jack
>
Have you checked to see if there are any bugs filed about similar performance
problems? If not, then have you filed any bugs about the slow down?
--
Thanks,
Jim
http://www.csclub.uwaterloo.ca/~ja2morri/
http://phython.blogspot.com
http://open.nit.ca/wiki/?page=jim