From: Eric Dumazet <eric.dumazet@gmail.com>
To: Joe Perches <joe@perches.com>
Cc: David Miller <davem@davemloft.net>, netdev <netdev@vger.kernel.org>
Subject: Re: [PATCH net-next] net: add a prefetch in socket backlog processing
Date: Tue, 01 May 2012 08:42:31 +0200 [thread overview]
Message-ID: <1335854551.11396.28.camel@edumazet-glaptop> (raw)
In-Reply-To: <1335854091.11396.21.camel@edumazet-glaptop>
On Tue, 2012-05-01 at 08:34 +0200, Eric Dumazet wrote:
> Basically this patch avoids one memory cache miss per iteration.
>
This patch was the easy part.
I am now working on refining __skb_dequeue() API to avoid the cache line
miss when we perform the __skb_unlink() and allow a prefetch(next) as
well, to speedup process_backlog().
next prev parent reply other threads:[~2012-05-01 6:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-01 2:07 [PATCH net-next] net: add a prefetch in socket backlog processing Eric Dumazet
2012-05-01 3:24 ` Joe Perches
2012-05-01 6:34 ` Eric Dumazet
2012-05-01 6:42 ` Eric Dumazet [this message]
2012-05-01 11:52 ` Joe Perches
2012-05-01 12:29 ` Eric Dumazet
2012-05-01 13:09 ` Joe Perches
2012-05-01 13:41 ` David Miller
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