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From: "emmanuel\.fuste" <emmanuel.fuste@laposte.net>
To: "linux-kernel" <linux-kernel@vger.kernel.org>
Subject: Re: [patch] sched: auto-tuning task-migration
Date: Wed,  6 Oct 2004 16:22:42 +0200	[thread overview]
Message-ID: <I562LU$B5322C82B32CD312671903B7D99A7EBB@laposte.net> (raw)


>the following patch adds a new feature to the scheduler:
during >bootup
>it measures migration costs and sets up cache_hot value
>accordingly.
>
>The measurement is point-to-point, i.e. it can be used to measure
>the
>migration costs in cache hierarchies - e.g. by NUMA setup
code. >The
>patch prints out a matrix of migration costs between CPUs. 
>(self-migration means pure cache dirtying cost)

Hi Ingo,

Is your auto-tunig patch is supposed to work on a shared L2
cache arch like my i586 SMP system ?
Just to know.

Thanks.

E.F.


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             reply	other threads:[~2004-10-06 14:22 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-06 14:22 emmanuel.fuste [this message]
     [not found] <200411110851.30819.habanero@us.ibm.com>
2004-11-11 15:04 ` Andrew Theurer
  -- strict thread matches above, loose matches on Subject: below --
2004-10-06  0:42 Default cache_hot_time value back to 10ms Chen, Kenneth W
2004-10-06 13:29 ` [patch] sched: auto-tuning task-migration Ingo Molnar
2004-10-06 13:44   ` Nick Piggin
2004-10-06 17:49   ` Chen, Kenneth W
2004-10-06 20:04     ` Ingo Molnar
2004-10-06 21:18       ` Chen, Kenneth W
2004-10-07  6:10         ` Ingo Molnar
2005-02-21  5:08   ` Paul Jackson

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