Manuel Bouyer writes:
 > > 
 > > I just had a peek at our bcopy - there's appears to be no loop unrolling
 > > at all (look at the bcopy_samealign_lp).  What's the typically loop
 > > overhead on an alpha CPU?
 > 
 > I don't know, but I would expect that a tuned bcopy would improve things ...
 > unfortunably I don't know alpha assembly.

Somebody might want to take a look at Appendix B of the Compiler
Writer's Guide for the 21264
(http://ftp.digital.com/pub/Digital/info/semiconductor/literature/cmpwrgd.pdf)

They present how to optimize a checksumming routine.  I imagine most
of this could be transferrable to optimizing bcopy.

Cheers,

Drew

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