Wine compiler options benchmarks
Tomas Carnecky
tom at dbservice.com
Mon Jun 16 17:58:20 CDT 2008
Ben Hodgetts (Enverex) wrote:
> Just in-case anyone was ever curious about how well Wine performs with
> different C/XXFLAGs I did a test today with RC5 to see how much of a
> difference it makes with 3DMark 2001 SE, nothing major but if someone
> can think of a better benchmark to try, please let me know (I had hoped
> to try Oblivion or some such but it has no benchmark feature).
>
> Core2Quad Q9450 @ 3.4Ghz || 4GB PC8500 5-5-5-15 || GCC 4.3.1 || Linux 2.6.25
> 3DMark 2001 SE B300. Wine 1.0-rc5.
>
> 28576 -march=native -O3 -pipe -fomit-frame-pointer
> 28522 -march=native -O3 -pipe -fomit-frame-pointer -mfpmath=sse,387
> 28511 -march=native -O2 -pipe -fomit-frame-pointer
> 28427 -march=native -O3 -fomit-frame-pointer -ffast-math
> -funroll-loops -Wall -pipe
> 28426 -march=native -O2 -pipe -mfpmath=sse,387
> 28311 -march=native -O2 -pipe
> 28270 -march=native -Os -pipe -fomit-frame-pointer
> 28126 -O3 -pipe -fomit-frame-pointer
> 28072 Wine Default (-g -O2)
> 27984 -march=native -O3 -pipe
> 27646 -march=native -Os -pipe
-pipe only speeds up compilation, not the resulting machine code.
-Wall makes gcc show more warnings about the code and again, it does not
speed up the code.
tom
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