From: "Martin J. Bligh" <mbligh@aracnet.com>
To: Andrew Morton <akpm@digeo.com>,
lkml <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Cc: Anton Blanchard <anton@samba.org>
Subject: Re: 2.5.39-mm1
Date: Mon, 30 Sep 2002 00:51:39 -0700 [thread overview]
Message-ID: <735786955.1033347097@[10.10.2.3]> (raw)
In-Reply-To: <3D976206.B2C6A5B8@digeo.com>
> I must say that based on a small amount of performance testing the
> benefits of the cache warmness thing are disappointing. Maybe 1% if
> you squint. Martin, could you please do a before-and-after on the
> NUMAQ's, double check that it is actually doing the right thing?
Seems to work just fine:
2.5.38-mm1 + my original hot/cold code.
Elapsed: 19.798s User: 191.61s System: 43.322s CPU: 1186.4%
2.5.39-mm1
Elapsed: 19.532s User: 192.25s System: 42.642s CPU: 1203.2%
And it's a lot more than 1% for me ;-) About 12% of systime
on kernel compile, IIRC.
M.
next prev parent reply other threads:[~2002-09-30 7:48 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-29 20:26 2.5.39-mm1 Andrew Morton
2002-09-30 1:24 ` 2.5.39-mm1 Ed Tomlinson
2002-09-30 1:35 ` 2.5.39-mm1 Andrew Morton
2002-09-30 7:51 ` Martin J. Bligh [this message]
2002-09-30 8:01 ` 2.5.39-mm1 Andrew Morton
2002-09-30 16:29 ` 2.5.39-mm1 Martin J. Bligh
2002-09-30 18:24 ` 2.5.39-mm1 Andrew Morton
2002-10-01 3:58 ` 2.5.39-mm1 Maneesh Soni
2002-10-01 3:51 ` 2.5.39-mm1 Andrew Morton
2002-10-01 4:13 ` 2.5.39-mm1 Maneesh Soni
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