[PATCH 0/5] IP checksum improvements

Martin Mares mj at ucw.cz
Sun Apr 25 23:32:08 CEST 2010


> Here are a series of performance improvements on the
> Internet checksum. With these changes applied I get about
> 20-30% better performance on x86 and PowerPC.
> Even though we got off on the wrong foot I got curious
> enough to do some more investigation and I leared
> more about "add with carry" and how gcc handle them.
> Feel free to ignore these patches, I just wanted to at
> least document my findings in patch form.

Yes, I like these.

				Have a nice fortnight
Martin `MJ' Mares                          <mj at ucw.cz>   http://mj.ucw.cz/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth

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