linux-kernel - Re: BFS vs. mainline scheduler benchmarks and measurements

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Date:	Mon, 07 Sep 2009 23:03:37 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Avi Kivity <avi@...hat.com>,
	Con Kolivas <kernel@...ivas.org>, linux-kernel@...r.kernel.org,
	Mike Galbraith <efault@....de>
Subject: Re: BFS vs. mainline scheduler benchmarks and measurements

On Mon, 2009-09-07 at 22:46 +0200, Jens Axboe wrote:
> > a bug in the SMP load-balancer that can cause interactivity problems 
> > on large CPU count systems.
> 
> Worth trying on the dual core box?

I debugged the issue on a dual core :-)

It should be more pronounced on larger machines, but its present on
dual-core too.

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