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Date: Tue, 13 Aug 2002 13:35:33 -0700 (PDT)
From: Linus Torvalds <torvalds@transmeta.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
cc: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>,
       linux-kernel <linux-kernel@vger.kernel.org>,
       Matt Dobson <colpatch@us.ibm.com>
Subject: Re: [PATCH] NUMA-Q disable irqbalance
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On 13 Aug 2002, Alan Cox wrote:
> 
> On a collection of networking workloads the P4 is about 5% better
> performing with the irq balancer off.

Hmm. And I could _feel_ how my dual HT P4 was slow before the irq issues 
were fixed.

Now, there have been other changes too - like the scheduler (and my
current P4 has a different SCSI interface), but I dunno. The thing I 
attributed the improvements in interactive feel was the fact that the work 
got balanced out more sanely.

		Linus

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