From: Dave Hansen <dave@linux.vnet.ibm.com>
To: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Mel Gorman <mgorman@suse.de>,
Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
akpm@linux-foundation.org, mjg59@srcf.ucam.org,
paulmck@linux.vnet.ibm.com, maxime.coquelin@stericsson.com,
loic.pallardy@stericsson.com, arjan@linux.intel.com,
kmpark@infradead.org, kamezawa.hiroyu@jp.fujitsu.com,
lenb@kernel.org, rjw@sisk.pl, gargankita@gmail.com,
amit.kachhap@linaro.org, thomas.abraham@linaro.org,
santosh.shilimkar@ti.com, linux-pm@vger.kernel.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 0/8][Sorted-buddy] mm: Linux VM Infrastructure to support Memory Power Management
Date: Fri, 09 Nov 2012 08:13:15 -0800 [thread overview]
Message-ID: <509D2B9B.4090305@linux.vnet.ibm.com> (raw)
In-Reply-To: <509D200F.2000908@linux.vnet.ibm.com>
On 11/09/2012 07:23 AM, Srivatsa S. Bhat wrote:
> FWIW, kernbench is actually (and surprisingly) showing a slight performance
> *improvement* with this patchset, over vanilla 3.7-rc3, as I mentioned in
> my other email to Dave.
>
> https://lkml.org/lkml/2012/11/7/428
>
> I don't think I can dismiss it as an experimental error, because I am seeing
> those results consistently.. I'm trying to find out what's behind that.
The only numbers in that link are in the date. :) Let's see the
numbers, please.
If you really have performance improvement to the memory allocator (or
something else) here, then surely it can be pared out of your patches
and merged quickly by itself. Those kinds of optimizations are hard to
come by!
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next prev parent reply other threads:[~2012-11-09 16:14 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-06 19:52 [RFC PATCH 0/8][Sorted-buddy] mm: Linux VM Infrastructure to support Memory Power Management Srivatsa S. Bhat
2012-11-06 19:52 ` [RFC PATCH 1/8] mm: Introduce memory regions data-structure to capture region boundaries within node Srivatsa S. Bhat
2012-11-06 23:03 ` Dave Hansen
2012-11-07 20:12 ` Srivatsa S. Bhat
2012-11-06 19:52 ` [RFC PATCH 2/8] mm: Initialize node memory regions during boot Srivatsa S. Bhat
2012-12-04 8:25 ` wujianguo
2012-11-06 19:53 ` [RFC PATCH 3/8] mm: Introduce and initialize zone memory regions Srivatsa S. Bhat
2012-11-06 19:53 ` [RFC PATCH 4/8] mm: Add helpers to retrieve node region and zone region for a given page Srivatsa S. Bhat
2012-11-16 18:39 ` [RFC PATCH UPDATED " Srivatsa S. Bhat
2012-11-06 19:53 ` [RFC PATCH 5/8] mm: Add data-structures to describe memory regions within the zones' freelists Srivatsa S. Bhat
2012-11-06 19:53 ` [RFC PATCH 6/8] mm: Demarcate and maintain pageblocks in region-order in " Srivatsa S. Bhat
2012-11-06 21:49 ` Dave Hansen
2012-11-07 20:15 ` Srivatsa S. Bhat
2012-11-09 6:22 ` Ankita Garg
2012-11-09 6:01 ` Ankita Garg
2012-11-09 9:03 ` Srivatsa S. Bhat
2012-11-06 19:54 ` [RFC PATCH 7/8] mm: Add an optimized version of del_from_freelist to keep page allocation fast Srivatsa S. Bhat
2012-11-06 19:54 ` [RFC PATCH 8/8] mm: Print memory region statistics to understand the buddy allocator behavior Srivatsa S. Bhat
2012-11-08 18:02 ` [RFC PATCH 0/8][Sorted-buddy] mm: Linux VM Infrastructure to support Memory Power Management Mel Gorman
2012-11-08 19:38 ` Srivatsa S. Bhat
2012-11-09 5:14 ` Vaidyanathan Srinivasan
2012-11-09 9:00 ` Mel Gorman
2012-11-09 14:51 ` Srivatsa S. Bhat
2012-11-09 15:23 ` Srivatsa S. Bhat
2012-11-09 16:13 ` Dave Hansen [this message]
2012-11-09 16:34 ` Srivatsa S. Bhat
2012-11-09 16:43 ` Srivatsa S. Bhat
2012-11-09 16:52 ` Srivatsa S. Bhat
2012-11-16 18:32 ` Srivatsa S. Bhat
2012-11-09 15:34 ` Arjan van de Ven
[not found] ` <loom.20121109T172910-394@post.gmane.org>
2012-11-12 16:14 ` Srivatsa S. Bhat
2012-12-04 10:51 ` wujianguo
2012-12-06 6:32 ` Srivatsa S. Bhat
-- strict thread matches above, loose matches on Subject: below --
2012-11-09 18:14 Srinivas Pandruvada
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