linux-kernel - Re: [PATCH] x86: Run checksumming in parallel accross multiple alu's

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Message-ID: <1381942505.22110.61.camel@joe-AO722>
Date:	Wed, 16 Oct 2013 09:55:05 -0700
From:	Joe Perches <joe@...ches.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	Neil Horman <nhorman@...driver.com>,
	linux-kernel@...r.kernel.org, sebastien.dugue@...l.net,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Subject: Re: [PATCH] x86: Run checksumming in parallel accross multiple alu's

On Wed, 2013-10-16 at 08:25 +0200, Ingo Molnar wrote:
>  Prefetch takes memory from L2->L1 memory 
> just as much as it moves it cachelines from memory to the L2 cache. 

Yup, mea culpa.
I thought the prefetch was still to L1 like the Pentium.


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