[Tfug] AMD vs. Intel floating point
Paul Scott
tfug@tfug.org
Sun Mar 30 16:30:01 2003
Anthony Steckman wrote:
> Many of us at TCS run the Folding@home distributed computing software
> and it has been shown fairly consistently that an AMD will outperform an
> Intel of equal speed in terms of work unit output. People who seem to
> know about these things always say it's because of the way the AMD's
> handle floating point calculations.
>
> I wouldn't stand by the assertion -- I hardly know what I'm asserting. I
> can say it's at least a very well established belief in the Folding@home
> community.
I have been told that Intel MMX shares some of its logic with the FPU
which sometimes causes FP inefficiency.
Paul Scott