[Bug target/114468] unixbench compilation performance results vary with different gcc compilers (r10-6804-g3133bed5d0327e)

pinskia at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Mar 25 23:25:18 GMT 2024


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114468

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=26944

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Also one should note that register allocation is NP complete problem. So
obvious tuning heurstics for one case will most likely cause issues for others.

Also dhrystone benchmark is very much not a decent benchmark for real code.


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