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List:       linux-crypto-vger
Subject:    Re: [PATCH] crypto: camellia-aesni-avx2 - tune assembly code for more performance
From:       Herbert Xu <herbert () gondor ! apana ! org ! au>
Date:       2013-06-21 7:16:49
Message-ID: 20130621071649.GB24151 () gondor ! apana ! org ! au
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On Sat, Jun 08, 2013 at 12:00:59PM +0300, Jussi Kivilinna wrote:
> Add implementation tuned for more performance on real hardware. Changes are
> mostly around the part mixing 128-bit extract and insert instructions and
> AES-NI instructions. Also 'vpbroadcastb' instructions have been change to
> 'vpshufb with zero mask'.
> 
> Tests on Intel Core i5-4570:
> 
> tcrypt ECB results, old-AVX2 vs new-AVX2:
> 
> size    128bit key      256bit key
>         enc     dec     enc     dec
> 256     1.00x   1.00x   1.00x   1.00x
> 1k      1.08x   1.09x   1.05x   1.06x
> 8k      1.06x   1.06x   1.06x   1.06x
> 
> tcrypt ECB results, AVX vs new-AVX2:
> 
> size    128bit key      256bit key
>         enc     dec     enc     dec
> 256     1.00x   1.00x   1.00x   1.00x
> 1k      1.51x   1.50x   1.52x   1.50x
> 8k      1.47x   1.48x   1.48x   1.48x
> 
> Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>

Patch applied.  Thanks!
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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