http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46837
Jack Howarth howarth at nitro dot med.uc.edu changed:
What|Removed |Added
Status|NEW
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46837
--- Comment #1 from Jack Howarth howarth at nitro dot med.uc.edu 2010-12-07
16:22:55 UTC ---
The -fschedule-insns option alone is sufficient to regress the induct
benchmark...
gfortran -mtune=core2 -fschedule-insns -ffast-math -O3 induct.f90 -o
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46837
--- Comment #2 from Jack Howarth howarth at nitro dot med.uc.edu 2010-12-07
16:48:11 UTC ---
The runtime performance reduction from...
gfortran -mtune=core2 -fschedule-insns -ffast-math -O3 induct.f90 -o induct
compared to...
gfortran
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46837
--- Comment #3 from Dominique d'Humieres dominiq at lps dot ens.fr 2010-12-07
19:08:09 UTC ---
See http://gcc.gnu.org/ml/gcc-patches/2010-12/msg00604.html for a possible
explanation.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46837
Steven Bosscher steven at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
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