Re: New CRC algorithm: Slicing by 8

>>>>> "MK" == Mark Kirkwood <markir@paradise.net.nz> writes:

MK> Here are the results after building gcc 4.1.2 (repeating results
MK> for gcc 3.4.6 for comparison). I suspect that performance is
MK> probably impacted because gcc 4.1.2 (and also the rest of the
MK> tool-chain) is built with gcc 3.4.6 - but it certainly suggests
MK> that the newer gcc versions don't like the slice-8 algorithm for
MK> some reason.

They don't seem to like the old CRC algorithms either. It is quite
strange, such dramatic performance regressions from 3.x to 4.x are
rare.


/Benny