Checksum/copy (was: Re: cvs commit: src/sys/netinet ip_output.c)
Mike Silbersack
silby at silby.com
Thu Mar 27 05:01:54 PST 2003
On Wed, 26 Mar 2003, Nate Lawson wrote:
> I don't want to hijack the thread too much, but has thought gone into a
> combined checksum and copy function? The first mention I can remember of
> this is in RFC 817 p. 19-20.
>
> -Nate
Heh, I don't think anyone has. What actually would make sense is for
someone who feels like doing ASM timing to look at our bcopy routines /
etc. On my Mobile Celeron, a for (i = 0; i < max; i++) array[i]=0 runs
faster than bzero. :(
(For one limited case I was testing.)
Mike "Silby" Silbersack
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