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Re: [PATCH] Re: Rewrite i386 string operation expansion


On 11/30/06, Jan Hubicka <jh@suse.cz> wrote:
> Uros,
> It would be probably good idea to fill in the pentium4 code generation
> descriptor with correct values, since the code is probably just picking
> up the wrong alternatives.  If you really do have pentium4 core (and nod
> nocona or prescott), could you please run the attached benchmark with
> ./test_stringop 32 640000000 ./xgcc -B ./ -march=pentium4
> With properlly filed descriptor, GCC ought to do best withtout
> -minline-all-stringops (or with -minline-stringops-dynamically) on the
> benchmark.  Is povray memcpy/memset bound? Where I find the sources?

Jan,


povray source can be downloaded from http://www.povray.org/download/

Attached to this message, please find the results of your script for
"Intel(R) Pentium(R) 4 CPU 3.20GHz" and "Intel(R) Xeon(TM) CPU
3.60GHz".

Uros.

Attachment: stringop.res
Description: Binary data


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