linux-kernel - Re: [PATCH] crypto: twofish - add x86

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Message-ID: <20120815164854.11913imktb2fg90k@www.81.fi>
Date:	Wed, 15 Aug 2012 16:48:54 +0300
From:	Jussi Kivilinna <jussi.kivilinna@...et.fi>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Johannes Goetzfried 
	<Johannes.Goetzfried@...ormatik.stud.uni-erlangen.de>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
	Tilo Müller 
	<tilo.mueller@...ormatik.uni-erlangen.de>
Subject: Re: [PATCH] crypto: twofish - add x86_64/avx assembler
 implementation

Quoting Borislav Petkov <bp@...en8.de>:

> Ok, here we go. Raw data below.

Thanks alot!

Twofish-avx appears somewhat slower than 3way, ~9% slower with 256byte  
blocks to ~3% slower with 8kb blocks.

>

<snip>

>
> Let me know if you need more tests.

I posted patch that optimize twofish-avx few weeks ago:  
http://marc.info/?l=linux-crypto-vger&m=134364845024825&w=2

I'd be interested to know, if this is patch helps on Bulldozer.

-Jussi

>
> HTH.
>
> --
> Regards/Gruss,
> Boris.
>
>



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