[Bug target/82805] [7/8/9 Regression] SPEC CPU2006 454.calculix ~6% performance deviation in between 6.3 and 7.2

jamborm at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Jun 8 15:16:00 GMT 2018


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82805

Martin Jambor <jamborm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #8 from Martin Jambor <jamborm at gcc dot gnu.org> ---
According to my latest GCC 8 measurements, we have caught up at some point in
the final stages of GCC 8 development and in all but one option combination are
noticeably faster than GCC 6.  In the only case where we aren't (-O2 and
generic march/mtune), we are not really slower (only 1%).  So I'd consider this
FIXED.


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