From: Paul Jackson <pj@engr.sgi.com>
To: Andi Kleen <ak@muc.de>
Cc: kenneth.w.chen@intel.com, torvalds@osdl.org,
nickpiggin@yahoo.com.au, akpm@osdl.org,
linux-kernel@vger.kernel.org
Subject: Re: [patch] sched: auto-tune migration costs
Date: Tue, 5 Apr 2005 00:20:58 -0700 [thread overview]
Message-ID: <20050405002058.3d90a2de.pj@engr.sgi.com> (raw)
In-Reply-To: <m1d5t91zqn.fsf@muc.de>
Andi wrote:
> There is already an arch neutral mechanism in sysfs, see
> /sys/devices/system/node/node*/distance
Excellent - thank-you.
> But of course SLIT doesn't know anything about cache latencies.
Of course. Though SLIT does know about basic node distances, which
tend to correlate with cache migration costs, apparently closely enough
for our current modest needs.
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@engr.sgi.com> 1.650.933.1373, 1.925.600.0401
next prev parent reply other threads:[~2005-04-05 7:26 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-02 1:00 Industry db benchmark result on recent 2.6 kernels Chen, Kenneth W
2005-04-02 2:12 ` Nick Piggin
2005-04-02 14:53 ` [patch] sched: auto-tune migration costs [was: Re: Industry db benchmark result on recent 2.6 kernels] Ingo Molnar
2005-04-02 21:22 ` Paul Jackson
2005-04-03 5:53 ` Paul Jackson
2005-04-03 7:04 ` Ingo Molnar
2005-04-03 8:15 ` Paul Jackson
2005-04-03 11:34 ` Paul Jackson
2005-04-03 14:12 ` Paul Jackson
2005-04-03 15:01 ` Ingo Molnar
2005-04-03 22:30 ` Paul Jackson
2005-04-05 6:53 ` [patch] sched: auto-tune migration costs Andi Kleen
2005-04-05 7:20 ` Paul Jackson [this message]
2005-04-03 15:24 ` [patch] sched: auto-tune migration costs [was: Re: Industry db benchmark result on recent 2.6 kernels] Ingo Molnar
2005-04-03 23:08 ` Paul Jackson
2005-04-04 2:08 ` Nick Piggin
2005-04-04 3:55 ` Paul Jackson
2005-04-04 5:45 ` Ingo Molnar
2005-04-04 5:50 ` Paul Jackson
2005-04-04 5:56 ` Nick Piggin
2005-04-04 6:38 ` Paul Jackson
2005-04-04 6:48 ` Ingo Molnar
2005-04-04 7:37 ` Paul Jackson
2005-04-04 6:50 ` Ingo Molnar
2005-04-04 7:27 ` Paul Jackson
2005-04-03 14:29 ` Ingo Molnar
2005-04-03 23:15 ` Paul Jackson
2005-04-04 1:31 ` Chen, Kenneth W
2005-04-04 6:24 ` Ingo Molnar
2005-04-04 6:39 ` Ingo Molnar
2005-04-06 0:08 ` Chen, Kenneth W
2005-04-04 4:25 ` Andy Lutomirski
2005-04-04 4:36 ` Paul Jackson
2005-04-04 1:11 ` Chen, Kenneth W
2005-04-04 11:37 ` Ingo Molnar
2005-04-04 17:27 ` Paul Jackson
2005-04-05 1:43 ` Chen, Kenneth W
2005-04-05 1:49 ` Ingo Molnar
2005-04-05 3:04 ` Ingo Molnar
2005-04-06 3:33 ` Chen, Kenneth W
2005-04-06 6:45 ` Ingo Molnar
2005-04-08 2:27 ` Chen, Kenneth W
2005-04-03 9:01 ` Paul Jackson
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