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Date: Thu, 7 Dec 2006 11:40:51 +0300
From: Solar Designer <>
Subject: Re: build options for macosx-ppc32-altivec

On Sun, Dec 03, 2006 at 08:15:23PM -0700, Olivier Meyer wrote:
> With this patch to the Makefile, I can get much higher performance.

Please define "much higher performance" - is it 1% higher c/s rate, 10%
higher, or maybe twice higher - and for what hash types?  Are all other
hash types also faster or at least the same with these changed options?
What CPU are you on, what gcc version are you using?

> Will anyone add cpu detection to set the -mcpu arg. It can be done
> with /usr/bin/machine on osx.

Now this is interesting - I didn't know.  (I don't own a Mac.)

I'll try to remember to play with this next time I update and test
John's make targets for OS X.

Thank you!

Alexander Peslyak <solar at>
GPG key ID: 5B341F15  fp: B3FB 63F4 D7A3 BCCC 6F6E  FC55 A2FC 027C 5B34 1F15 - bringing security into open computing environments

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