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[Bug fortran/41977] gfortran -fopenp and ACML_MP seem incompatible
- From: "nmm1 at cam dot ac dot uk" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Nov 2009 19:15:08 -0000
- Subject: [Bug fortran/41977] gfortran -fopenp and ACML_MP seem incompatible
- References: <bug-41977-15342@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #10 from nmm1 at cam dot ac dot uk 2009-11-07 19:15 -------
Subject: Re: gfortran -fopenp and ACML_MP seem incompatible
On Nov 7 2009, kargl at gcc dot gnu dot org wrote:
>
>OpenMP clearly helps the 'Coded Cholesky time', but it
>causes a factor of 10 degradation in the 'Coded solver time'.
Ah! Now, that's what I saw for acml_mp on 4.3.2, reliably, but
never saw it for the others. It's clearly the sort of problem that
appears and disappears. Oh, how I do love those :-(
Regards,
Nick Maclaren.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41977