From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Nick Piggin <npiggin@suse.de>,
Linux Memory Management List <linux-mm@kvack.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Lin Ming <ming.m.lin@intel.com>,
"Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
Christoph Lameter <cl@linux-foundation.org>
Subject: Re: [patch] SLQB slab allocator (try 2)
Date: Mon, 16 Feb 2009 21:42:17 +0200 [thread overview]
Message-ID: <4999C199.4090202@cs.helsinki.fi> (raw)
In-Reply-To: <20090216194401.GC31264@csn.ul.ie>
Mel Gorman wrote:
>> There's a follow-up patch from Yanmin which
>> will make a difference for large allocations when page-allocator
>> pass-through is reverted:
>>
>> http://git.kernel.org/?p=linux/kernel/git/penberg/slab-2.6.git;a=commitdiff;h=79b350ab63458ef1d11747b4f119baea96771a6e
>
> Is this expected to make a difference to workloads that are not that
> allocator intensive? I doubt it'll make much different to speccpu but
> conceivably it makes a difference to sysbench.
I doubt that too but I fail to see why it's regressing with the revert
in the first place for speccpu. Maybe it's cache effects, dunno.
Pekka
WARNING: multiple messages have this Message-ID (diff)
From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Nick Piggin <npiggin@suse.de>,
Linux Memory Management List <linux-mm@kvack.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Lin Ming <ming.m.lin@intel.com>,
"Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
Christoph Lameter <cl@linux-foundation.org>
Subject: Re: [patch] SLQB slab allocator (try 2)
Date: Mon, 16 Feb 2009 21:42:17 +0200 [thread overview]
Message-ID: <4999C199.4090202@cs.helsinki.fi> (raw)
In-Reply-To: <20090216194401.GC31264@csn.ul.ie>
Mel Gorman wrote:
>> There's a follow-up patch from Yanmin which
>> will make a difference for large allocations when page-allocator
>> pass-through is reverted:
>>
>> http://git.kernel.org/?p=linux/kernel/git/penberg/slab-2.6.git;a=commitdiff;h=79b350ab63458ef1d11747b4f119baea96771a6e
>
> Is this expected to make a difference to workloads that are not that
> allocator intensive? I doubt it'll make much different to speccpu but
> conceivably it makes a difference to sysbench.
I doubt that too but I fail to see why it's regressing with the revert
in the first place for speccpu. Maybe it's cache effects, dunno.
Pekka
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2009-02-16 19:46 UTC|newest]
Thread overview: 110+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-23 15:46 [patch] SLQB slab allocator (try 2) Nick Piggin
2009-01-23 15:46 ` Nick Piggin
2009-01-24 2:38 ` Zhang, Yanmin
2009-01-24 2:38 ` Zhang, Yanmin
2009-01-26 8:48 ` Pekka Enberg
2009-01-26 8:48 ` Pekka Enberg
2009-01-26 9:07 ` Peter Zijlstra
2009-01-26 9:07 ` Peter Zijlstra
2009-01-26 9:10 ` Peter Zijlstra
2009-01-26 9:10 ` Peter Zijlstra
2009-01-26 17:22 ` Christoph Lameter
2009-01-26 17:22 ` Christoph Lameter
2009-01-27 9:07 ` Peter Zijlstra
2009-01-27 9:07 ` Peter Zijlstra
2009-01-27 20:21 ` Christoph Lameter
2009-01-27 20:21 ` Christoph Lameter
2009-02-03 2:04 ` Nick Piggin
2009-02-03 2:04 ` Nick Piggin
2009-02-03 10:12 ` Mel Gorman
2009-02-03 10:12 ` Mel Gorman
2009-02-03 10:36 ` Nick Piggin
2009-02-03 10:36 ` Nick Piggin
2009-02-03 11:22 ` Mel Gorman
2009-02-03 11:22 ` Mel Gorman
2009-02-03 11:26 ` Mel Gorman
2009-02-03 11:26 ` Mel Gorman
2009-02-04 6:48 ` Nick Piggin
2009-02-04 6:48 ` Nick Piggin
2009-02-04 15:27 ` Mel Gorman
2009-02-04 15:27 ` Mel Gorman
2009-02-05 3:59 ` Nick Piggin
2009-02-05 3:59 ` Nick Piggin
2009-02-05 13:49 ` Mel Gorman
2009-02-05 13:49 ` Mel Gorman
2009-02-16 18:42 ` Mel Gorman
2009-02-16 18:42 ` Mel Gorman
2009-02-16 19:17 ` Pekka Enberg
2009-02-16 19:17 ` Pekka Enberg
2009-02-16 19:41 ` Mel Gorman
2009-02-16 19:41 ` Mel Gorman
2009-02-16 19:43 ` Pekka Enberg
2009-02-16 19:43 ` Pekka Enberg
2009-02-17 1:06 ` Zhang, Yanmin
2009-02-17 1:06 ` Zhang, Yanmin
2009-02-17 16:20 ` Christoph Lameter
2009-02-17 16:20 ` Christoph Lameter
2009-02-17 17:01 ` Pekka Enberg
2009-02-17 17:01 ` Pekka Enberg
2009-02-17 17:05 ` Christoph Lameter
2009-02-17 17:05 ` Christoph Lameter
2009-02-17 17:24 ` Pekka Enberg
2009-02-17 17:24 ` Pekka Enberg
2009-02-17 18:11 ` Johannes Weiner
2009-02-17 18:11 ` Johannes Weiner
2009-02-17 19:43 ` Pekka Enberg
2009-02-17 19:43 ` Pekka Enberg
2009-02-17 20:04 ` Christoph Lameter
2009-02-17 20:04 ` Christoph Lameter
2009-02-18 0:48 ` KOSAKI Motohiro
2009-02-18 0:48 ` KOSAKI Motohiro
2009-02-18 8:09 ` Pekka Enberg
2009-02-18 8:09 ` Pekka Enberg
2009-02-19 0:05 ` KOSAKI Motohiro
2009-02-19 0:05 ` KOSAKI Motohiro
2009-02-19 9:16 ` Pekka Enberg
2009-02-19 9:16 ` Pekka Enberg
2009-02-19 12:51 ` KOSAKI Motohiro
2009-02-19 12:51 ` KOSAKI Motohiro
2009-02-19 13:15 ` Pekka Enberg
2009-02-19 13:15 ` Pekka Enberg
2009-02-19 13:49 ` KOSAKI Motohiro
2009-02-19 13:49 ` KOSAKI Motohiro
2009-02-19 14:19 ` Christoph Lameter
2009-02-19 14:19 ` Christoph Lameter
2009-02-18 1:05 ` Zhang, Yanmin
2009-02-18 1:05 ` Zhang, Yanmin
2009-02-18 7:48 ` Pekka Enberg
2009-02-18 7:48 ` Pekka Enberg
2009-02-18 8:43 ` Zhang, Yanmin
2009-02-18 8:43 ` Zhang, Yanmin
2009-02-18 9:01 ` Pekka Enberg
2009-02-18 9:01 ` Pekka Enberg
2009-02-18 9:19 ` Zhang, Yanmin
2009-02-18 9:19 ` Zhang, Yanmin
2009-02-19 8:40 ` Pekka Enberg
2009-02-19 8:40 ` Pekka Enberg
2009-02-16 19:25 ` Pekka Enberg
2009-02-16 19:25 ` Pekka Enberg
2009-02-16 19:44 ` Mel Gorman
2009-02-16 19:44 ` Mel Gorman
2009-02-16 19:42 ` Pekka Enberg [this message]
2009-02-16 19:42 ` Pekka Enberg
2009-02-03 11:28 ` Mel Gorman
2009-02-03 11:28 ` Mel Gorman
2009-02-03 11:50 ` Nick Piggin
2009-02-03 11:50 ` Nick Piggin
2009-02-03 12:01 ` Mel Gorman
2009-02-03 12:01 ` Mel Gorman
2009-02-03 12:07 ` Nick Piggin
2009-02-03 12:07 ` Nick Piggin
2009-02-03 12:26 ` Mel Gorman
2009-02-03 12:26 ` Mel Gorman
2009-02-04 15:49 ` Christoph Lameter
2009-02-04 15:49 ` Christoph Lameter
2009-02-04 15:48 ` Christoph Lameter
2009-02-04 15:48 ` Christoph Lameter
2009-02-03 18:58 ` Pekka Enberg
2009-02-03 18:58 ` Pekka Enberg
2009-02-04 16:06 ` Christoph Lameter
2009-02-04 16:06 ` Christoph Lameter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4999C199.4090202@cs.helsinki.fi \
--to=penberg@cs.helsinki.fi \
--cc=akpm@linux-foundation.org \
--cc=cl@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mel@csn.ul.ie \
--cc=ming.m.lin@intel.com \
--cc=nickpiggin@yahoo.com.au \
--cc=npiggin@suse.de \
--cc=yanmin_zhang@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.