Re: AMD optimizations?
Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 26 Aug 1999 13:34:39 +0100 (BST)
> Yes, I just read about the fpu patch on
> http://www.tiac.net/users/rlk/linux.html
> As the AMD CPU's don't have pipelined FPU's, this probably isn't a good
> thing to apply for K6 systems, but it may have a good result on the Athlon.
For K6 or Cyrix you would use MMX not FPU for this. MMX memcpy is about 45%
faster on the Athlon than rep movs
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