linux-kernel - Re: [PATCH -mm crypto] AES: x86_64 asm implementation optimization

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Date:	Fri, 25 Apr 2008 15:21:27 +0800
From:	"Huang, Ying" <ying.huang@...el.com>
To:	Sebastian Siewior <linux-crypto@...breakpoint.cc>
Cc:	Herbert Xu <herbert@...dor.apana.org.au>,
	"Adam J. Richter" <adam@...drasil.com>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
	mingo@...e.hu, tglx@...utronix.de
Subject: Re: [PATCH -mm crypto] AES: x86_64 asm implementation optimization

Hi, Sebastian,

On Fri, 2008-04-25 at 09:12 +0200, Sebastian Siewior wrote:
> * Huang, Ying | 2008-04-25 11:11:17 [+0800]:
> 
> >Hi, Sebastian,
> Hi Huang,
> 
> >So I think the reason maybe the read/write port throughput of CPU.
> Ah so it is just a local problem you say? I may get my fingers on
> another amd box....

I mean the read/write port design difference between CPU
micro-architecture. It is not a local problem. Sorry for my English.

> >I changed the patches to group the read or write together instead of
> >interleaving. Can you help me to test these new patches? The new patches
> >is attached with the mail.
> Sure.
Thank you very much.

Best Regards,
Huang Ying

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