https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103223
Levy <admin at levyhsu dot com> changed:
What |Removed |Added
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CC| |admin at levyhsu dot com
--- Comment #10 from Levy <admin at levyhsu dot com> ---
Hi Jan
Just want provide a status report that this commit
ecdf414bd89e6ba251f6b3f494407139b4dbae0e seems to caused about 50% regression
when running multi-copy 548.exchange2_r with march_native_ofast_lto on
spec2017:
Xeon(R) Platinum 8358 (IceLake) (64C 128T 512G):
BenchMarks Copies RunTime1 RunTime2 Rate1 Rate2 Compare
548.exchange2_r 128 479 913 700 367 -47.57%
Xeon(R) Gold 6252 (CascadeLake) (48C 96T 192G)
BenchMarks Copies RunTime1 RunTime2 Rate1 Rate2 Compare
548.exchange2_r 96 643 1240 391 203 -48.08%
Best
Levy
