Re: x86 asm SHA1 (draft)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



linux@xxxxxxxxxxx writes:

> Well, I'm not sure it's worth this much trouble.  Both of my PPC
> implementations are smaller and faster than the current one,
> so that's a pretty easy decision.  The difference between them
> is 2-3%, which is, I think, not enough to be worth the maintenance
> burden of a run-time decision infrastructure.  Just pick either one
> and call it a day.
>...
> Not that numbers are bad, but I think that until there's a real
> need for more than a single good-enough version per instruction set,
> this is excessive.

OK.  I somehow got an impression that your two versions had
quite different performance characteristics on G4 and G5 and
there was a real choice.  If they are between a few per-cent,
then I agree it is not worth doing at all.


-
: send the line "unsubscribe git" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Kernel Development]     [Gcc Help]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [V4L]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]     [Fedora Users]