DOS ain't dead

MMX moves (Developers)

posted by marcov, 18.02.2009, 09:55

> > There's no speed to gain with MMX registers.
> >
> > A pretty good pdf about this topic, which you hopefully can find via
> > Google, is: gdc_2002_amd.pdf
>
> http://www.stud.uni-karlsruhe.de/~urkt/memcpy.pdf (or
> memcpy_article.zip)
> also looks interesting.

I use routines from

http://fastcode.sourceforge.net/challenge_content/FastMove.html

at work.

It comes with a little testsuite that allows you to quickly asses which routine is faster with a given workload for a given CPU.

Complete thread:

• MMX moves - Laaca, 16.02.2009, 21:20 (Developers)
  • MMX moves - rr, 16.02.2009, 21:34
  • MMX moves - Japheth, 16.02.2009, 22:05
    • MMX moves - rr, 16.02.2009, 22:11
      • MMX moves - Japheth, 17.02.2009, 13:52
        • MMX moves - Laaca, 17.02.2009, 16:29
          • MMX moves - Japheth, 17.02.2009, 17:16
            • MMX moves - Laaca, 17.02.2009, 18:56
      • MMX moves - marcov, 18.02.2009, 09:55
  • MMX moves - FFK, 16.02.2009, 23:04
  • MMX moves - Rugxulo, 17.02.2009, 00:54
  • MMX moves - FFK, 17.02.2009, 21:37
    • MMX moves - Rugxulo, 18.02.2009, 00:48
    • MMX moves - Japheth, 18.02.2009, 09:08
      • MMX moves - FFK, 18.02.2009, 09:44