Re: [patch] longstanding chksum patch

Artur Skawina (skawina@geocities.com)
Fri, 10 Sep 1999 00:57:23 +0200


Andrea Arcangeli wrote:
>
> IMHO when the chksum become a big bottleneck for performances you
> should have the cache hot. I think it worth to optimize the bottleneck
> case.
>
> Anyway I am not very concerned about such minor performance improvement so
> if you want to drop the performance part of the patch (the copy-and-chksum
> one) I don't care at _all_. I only would like to have the known and
> documented bug fixed.

"minor performance improvement" is apparently a relative term -
IIRC your patch slows the checksum by 44% for the perfectly legal
(even if uncommon) case of 2-byte aligned buffer...

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