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List:       linux-crypto-vger
Subject:    Re: [PATCH] crypto: twofish - add x86_64/avx assembler implementation
From:       Borislav Petkov <bp () alien8 ! de>
Date:       2012-08-28 16:25:23
Message-ID: 20120828162523.GA16804 () x1 ! osrc ! amd ! com
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On Tue, Aug 28, 2012 at 12:17:43PM +0300, Jussi Kivilinna wrote:
> With this patch twofish-avx is faster than twofish-3way for 256, 1k
> and 8k tests.
> 
> size    old-vs-new      new-vs-3way     old-vs-3way
>         ecb-enc ecb-dec ecb-enc ecb-dec ecb-enc ecb-dec
> 256     1.10x   1.11x   1.01x   1.01x   0.92x   0.91x
> 1k      1.11x   1.12x   1.08x   1.07x   0.97x   0.96x
> 8k      1.11x   1.13x   1.10x   1.08x   0.99x   0.97x

Not bad, that's 10ish percent improvement, after all.

Thanks.

-- 
Regards/Gruss,
Boris.
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