linux-kernel - Re: IRQ Balance Question for Single but Multi-Core Processors

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Date:	Sun, 24 Jun 2007 22:54:45 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Justin Piszcz <jpiszcz@...idpixels.com>
cc:	linux-kernel@...r.kernel.org, arjan@...ux.intel.com,
	Alan Piszcz <ap@...arrain.com>
Subject: Re: IRQ Balance Question for Single but Multi-Core Processors


On Jun 24 2007 16:29, Justin Piszcz wrote:
>
> Question regarding the IRQ balance daemon and the 2.6.x kernel.
>
> For a single-processor but dual or quad core CPU, should one be running the IRQ
> balancing daemon, will it result in increased performance?
>
> Or is IRQ balance mainly targeted at physical multi-processor systems?

There must be a reason it exists :)
For MC or MP or MCMP systems, it should be helpful indeed.
HT however, not so sure. But then again, MCHT and MCMPHT maybe.

(multi-core, multi-processor, hyperthreading, and combinations thereof.)


	Jan
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