[Bug ipa/64425] New: [5 Regression] r219076 causes 36% tramp3d slowdown
trippels at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Sun Dec 28 09:30:00 GMT 2014
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64425
Bug ID: 64425
Summary: [5 Regression] r219076 causes 36% tramp3d slowdown
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: hubicka at gcc dot gnu.org
Seen on ppc64. Before r219076:
% g++ -Ofast -w tramp3d-v4.cpp
% ./a.out --cartvis 1.0 0.0 --rhomin 1e-8 -n 20
Time spent in iteration: 2.40742
After r219076:
% g++ -Ofast -w tramp3d-v4.cpp
% ./a.out --cartvis 1.0 0.0 --rhomin 1e-8 -n 20
Time spent in iteration: 3.77864
More information about the Gcc-bugs
mailing list