From: Florian Weimer <fw@deneb.enyo.de>
To: Robert Olsson <Robert.Olsson@data.slu.se>
Cc: Christoph Hellwig <hch@lst.de>, davem@redhat.com, netdev@oss.sgi.com
Subject: Re: purpose of the skb head pool
Date: Thu, 01 May 2003 12:38:38 +0200 [thread overview]
Message-ID: <877k9bc5ox.fsf@deneb.enyo.de> (raw)
In-Reply-To: <16046.30879.738356.495523@robur.slu.se> (Robert Olsson's message of "Tue, 29 Apr 2003 15:05:35 +0200")
Robert Olsson <Robert.Olsson@data.slu.se> writes:
> 2.6.66 IP. Forwarding of two input simplex flows. eth0->eth1, eth2->eth3
> Fixed affinity CPU0: eth0, eth3. CPU1: eth1, eth2. Which common for routing
> and should be "worst case" for other use. The test should give a very high
> load on the packet memory system. As seen at least we don't see any
> improvement from skb_head_pool code.
>
>
> Vanilla 2.5.66 381 kpps
> Magazine 431 kpps
> Magazine + no skb_head_pool 435 kpps
Can you rerun this test with random source/destination addresses, to
get more realistic (for some configurations) numbers?
next prev parent reply other threads:[~2003-05-01 10:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-29 11:55 purpose of the skb head pool Christoph Hellwig
2003-04-29 13:03 ` Andi Kleen
2003-04-29 13:11 ` Robert Olsson
2003-04-29 13:08 ` David S. Miller
2003-04-29 14:16 ` Christoph Hellwig
2003-04-29 13:12 ` David S. Miller
2003-04-29 14:21 ` Christoph Hellwig
2003-04-30 5:39 ` David S. Miller
2003-04-29 13:05 ` Robert Olsson
2003-05-01 10:38 ` Florian Weimer [this message]
2003-05-01 9:35 ` David S. Miller
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