fast bcopy... at at
Thu May 3 16:24:30 UTC 2012

> > guess this is a good time to thank the FreeBSD hackers for that FPU
> > stack FILD/FISTP idea!
> > I'll append the copy related notes of our doc/memperf.txt.
> > Thanks,
> I made an implementation of fpu unwinding and mmx copy to see if they
> were really making a difference years ago (reimplementing bcopy,
> memcopy, etc.).

Codecs, such as Ffdshow often contain their own functions to work with memory.

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