From: Andrea Arcangeli <andrea@suse.de>
To: Jens Axboe <axboe@suse.de>
Cc: Ingo Molnar <mingo@elte.hu>,
Linus Torvalds <torvalds@transmeta.com>,
Rik van Riel <riel@conectiva.com.br>,
Roger Larsson <roger.larsson@norran.net>,
MM mailing list <linux-mm@kvack.org>,
linux-kernel@vger.kernel.org
Subject: Re: [patch] vmfixes-2.4.0-test9-B2
Date: Mon, 25 Sep 2000 16:20:09 +0200 [thread overview]
Message-ID: <20000925162009.K22882@athlon.random> (raw)
In-Reply-To: <20000925154952.O26339@suse.de>; from axboe@suse.de on Mon, Sep 25, 2000 at 03:49:52PM +0200
On Mon, Sep 25, 2000 at 03:49:52PM +0200, Jens Axboe wrote:
> And a new elevator was introduced some months ago to solve this.
And now that I done some benchmark it seems the major optimization consists in
the implementation of the new _ordering_ algorithm in test2, not really from
the removal of the more finegrined latency control (said that I'm not going to
reintroduce the previous latency control, the current one doesn't provide great
latency but it's ok).
As soon I patch my tree with Peter's perfect CSCAN ordering (that only changes
the ordering algorithm), tiotest performance drops significantly in the
2-thread-reading case. elvtune settings doesn't matter, that's only a matter of
the ordering.
Andrea
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next prev parent reply other threads:[~2000-09-25 14:20 UTC|newest]
Thread overview: 243+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-09-24 10:11 __GFP_IO && shrink_[d|i]cache_memory()? Ingo Molnar
2000-09-24 18:11 ` Linus Torvalds
2000-09-24 18:40 ` Ingo Molnar
2000-09-24 18:39 ` Linus Torvalds
2000-09-24 18:46 ` Linus Torvalds
2000-09-24 18:59 ` Ingo Molnar
2000-09-24 19:34 ` [patch] vmfixes-2.4.0-test9-B2 Ingo Molnar
2000-09-24 20:20 ` Rui Sousa
2000-09-24 20:24 ` Andrea Arcangeli
2000-09-24 20:26 ` Ingo Molnar
2000-09-24 21:12 ` Andrea Arcangeli
2000-09-24 21:12 ` Ingo Molnar
2000-09-24 21:43 ` Stephen C. Tweedie
2000-09-24 22:13 ` Andrea Arcangeli
2000-09-24 22:36 ` [patch] vmfixes-2.4.0-test9-B2 - fixing deadlocks bert hubert
2000-09-24 23:41 ` Andrea Arcangeli
2000-09-25 16:24 ` Stephen C. Tweedie
2000-09-25 17:03 ` Andrea Arcangeli
2000-09-25 18:06 ` Stephen C. Tweedie
2000-09-25 19:32 ` Andrea Arcangeli
2000-09-25 19:26 ` Rik van Riel
2000-09-25 22:28 ` Andrea Arcangeli
2000-09-25 22:26 ` Rik van Riel
2000-09-25 22:51 ` Andrea Arcangeli
2000-09-25 22:30 ` Linus Torvalds
2000-09-25 23:03 ` Andrea Arcangeli
2000-09-25 23:18 ` Linus Torvalds
2000-09-26 0:32 ` Andrea Arcangeli
2000-09-25 22:30 ` Juan J. Quintela
2000-09-25 23:00 ` Andrea Arcangeli
2000-09-25 19:54 ` Stephen C. Tweedie
2000-09-25 22:44 ` Andrea Arcangeli
2000-09-25 22:42 ` Rik van Riel
2000-09-26 6:54 ` Christoph Rohland
2000-09-26 14:05 ` Andrea Arcangeli
2000-09-26 16:20 ` Christoph Rohland
2000-09-26 17:10 ` Andrea Arcangeli
2000-09-27 8:11 ` Christoph Rohland
2000-09-27 8:28 ` Ingo Molnar
2000-09-27 9:24 ` Christoph Rohland
2000-09-27 13:56 ` Andrea Arcangeli
2000-09-27 16:56 ` Christoph Rohland
2000-09-27 17:42 ` Andrea Arcangeli
2000-09-27 18:25 ` Erik Andersen
2000-09-27 18:55 ` Andrea Arcangeli
2000-09-28 10:08 ` Rik van Riel
2000-09-28 11:16 ` Rik van Riel
2000-09-28 14:52 ` Andrea Arcangeli
2000-09-29 14:39 ` Rik van Riel
2000-09-29 14:55 ` Andrea Arcangeli
2000-09-29 15:40 ` Rik van Riel
2000-09-28 11:31 ` Ingo Molnar
2000-09-28 14:54 ` Andrea Arcangeli
2000-09-28 15:13 ` Ingo Molnar
2000-09-28 15:23 ` Andrea Arcangeli
2000-09-28 16:16 ` Juan J. Quintela
2000-09-28 14:31 ` Andrea Arcangeli
2000-09-25 17:21 ` bert hubert
2000-09-25 17:49 ` Andrea Arcangeli
2000-09-25 15:09 ` Miles Lane
2000-09-25 15:51 ` Stephen C. Tweedie
2000-09-25 16:05 ` Ingo Molnar
2000-09-25 16:06 ` Alexander Viro
2000-09-25 16:20 ` Ingo Molnar
2000-09-25 16:29 ` Andrea Arcangeli
2000-09-25 4:56 ` [patch] vmfixes-2.4.0-test9-B2 Linus Torvalds
2000-09-25 5:19 ` Alexander Viro
2000-09-25 6:06 ` Linus Torvalds
2000-09-25 6:17 ` Alexander Viro
2000-09-25 21:21 ` Alexander Viro
2000-09-26 13:42 ` [CFT][PATCH] ext2 directories in pagecache Alexander Viro
2000-09-26 21:29 ` Alexander Viro
2000-09-26 22:16 ` Marko Kreen
2000-09-26 22:31 ` Alexander Viro
2000-09-26 22:47 ` Marko Kreen
2000-09-27 7:32 ` Ingo Molnar
2000-09-27 9:22 ` Alexander Viro
2000-09-26 23:19 ` Andreas Dilger
2000-09-26 23:33 ` Alexander Viro
2000-09-26 23:44 ` Alexander Viro
2000-09-25 0:09 ` [patch] vmfixes-2.4.0-test9-B2 Linus Torvalds
2000-09-25 0:49 ` Alexander Viro
2000-09-25 0:53 ` Marcelo Tosatti
2000-09-25 1:45 ` Andrea Arcangeli
2000-09-25 2:39 ` Marcelo Tosatti
2000-09-25 15:36 ` Andrea Arcangeli
2000-09-25 10:42 ` the new VM Ingo Molnar
2000-09-25 13:02 ` Andrea Arcangeli
2000-09-25 13:02 ` Ingo Molnar
2000-09-25 13:08 ` Andrea Arcangeli
2000-09-25 13:12 ` Ingo Molnar
2000-09-25 13:30 ` Andrea Arcangeli
2000-09-25 13:39 ` Ingo Molnar
2000-09-25 14:04 ` Andrea Arcangeli
2000-09-25 14:04 ` Ingo Molnar
2000-09-25 14:23 ` Andrea Arcangeli
2000-09-25 14:27 ` Ingo Molnar
2000-09-25 14:39 ` Andrea Arcangeli
2000-09-25 14:43 ` Ingo Molnar
2000-09-25 15:01 ` Andrea Arcangeli
2000-09-25 15:10 ` Ingo Molnar
2000-09-25 15:24 ` Andrea Arcangeli
2000-09-25 15:26 ` Ingo Molnar
2000-09-25 15:22 ` yodaiken
2000-09-26 19:10 ` Pavel Machek
2000-09-26 20:16 ` Andrea Arcangeli
2000-09-27 7:42 ` Ingo Molnar
2000-09-27 12:11 ` yodaiken
2000-09-27 14:08 ` Andrea Arcangeli
2000-09-25 16:09 ` Rik van Riel
2000-09-25 14:26 ` Marcelo Tosatti
2000-09-25 14:50 ` Andrea Arcangeli
2000-09-25 14:47 ` Alan Cox
2000-09-25 15:16 ` Ingo Molnar
2000-09-25 15:16 ` the new VMt Alan Cox
2000-09-25 15:33 ` the new VM Ingo Molnar
2000-09-25 15:41 ` the new VMt Andrea Arcangeli
2000-09-25 16:02 ` Ingo Molnar
2000-09-25 16:04 ` Andi Kleen
2000-09-25 16:19 ` Ingo Molnar
2000-09-25 16:18 ` Andi Kleen
2000-09-25 16:41 ` Andrea Arcangeli
2000-09-25 16:35 ` Linus Torvalds
2000-09-25 16:41 ` Rik van Riel
2000-09-25 16:49 ` Linus Torvalds
2000-09-25 17:03 ` Ingo Molnar
2000-09-25 17:17 ` Andrea Arcangeli
2000-09-25 17:10 ` Rik van Riel
2000-09-25 17:27 ` Andrea Arcangeli
2000-09-25 17:15 ` Andrea Arcangeli
2000-09-27 7:14 ` Rusty Russell
2000-09-25 20:23 ` Russell King
2000-09-25 16:28 ` Rik van Riel
2000-09-25 16:11 ` Andrea Arcangeli
2000-09-25 16:22 ` Ingo Molnar
2000-09-25 16:17 ` Alexander Viro
2000-09-25 16:36 ` Jeff Garzik
2000-09-25 16:57 ` Alan Cox
2000-09-25 17:01 ` Alexander Viro
2000-09-25 17:06 ` Alan Cox
2000-09-25 17:31 ` Oliver Xymoron
2000-09-25 17:51 ` Jeff Garzik
2000-09-25 19:03 ` the new VMt [4MB+ blocks] Matti Aarnio
2000-09-25 20:02 ` Stephen Williams
2000-09-25 16:33 ` the new VMt Andrea Arcangeli
2000-09-26 8:38 ` Jes Sorensen
2000-09-26 8:52 ` Ingo Molnar
2000-09-26 9:02 ` Jes Sorensen
2000-09-25 16:53 ` Alan Cox
2000-09-25 15:42 ` Stephen C. Tweedie
2000-09-25 16:05 ` Andrea Arcangeli
2000-09-25 16:22 ` Rik van Riel
2000-09-25 16:42 ` Andrea Arcangeli
2000-09-25 17:39 ` Stephen C. Tweedie
2000-09-25 16:51 ` Alan Cox
2000-09-25 17:43 ` Stephen C. Tweedie
2000-09-25 18:13 ` Alan Cox
2000-09-25 18:21 ` Stephen C. Tweedie
2000-09-25 19:09 ` Alan Cox
2000-09-25 19:21 ` Stephen C. Tweedie
2000-09-25 16:52 ` yodaiken
2000-09-25 17:18 ` Jamie Lokier
2000-09-25 17:51 ` yodaiken
2000-09-25 18:04 ` Jamie Lokier
2000-09-25 18:13 ` yodaiken
2000-09-25 18:24 ` Stephen C. Tweedie
2000-09-25 18:34 ` yodaiken
2000-09-25 18:48 ` Jamie Lokier
2000-09-25 19:25 ` Stephen C. Tweedie
2000-09-25 20:04 ` yodaiken
2000-09-25 20:23 ` Alan Cox
2000-09-25 20:35 ` yodaiken
2000-09-25 20:46 ` Alan Cox
2000-09-25 21:07 ` yodaiken
2000-09-26 9:54 ` Stephen C. Tweedie
2000-09-26 13:17 ` yodaiken
2000-09-25 20:47 ` Benjamin C.R. LaHaise
2000-09-25 21:12 ` yodaiken
2000-09-26 10:07 ` Stephen C. Tweedie
2000-09-26 13:30 ` yodaiken
2000-09-25 20:32 ` Stephen C. Tweedie
2000-09-26 12:10 ` Mark Hemment
2000-09-27 10:13 ` Andrey Savochkin
2000-09-27 12:55 ` Hugh Dickins
2000-09-28 3:25 ` Andrey Savochkin
2000-09-25 23:14 ` Erik Andersen
2000-09-26 15:17 ` yodaiken
2000-09-26 16:04 ` Stephen C. Tweedie
2000-09-26 17:02 ` Erik Andersen
2000-09-26 17:08 ` Stephen C. Tweedie
2000-09-26 17:45 ` Erik Andersen
2000-09-27 10:20 ` Andrey Savochkin
2000-09-26 21:13 ` Eric Lowe
2000-09-25 18:20 ` Andrea Arcangeli
2000-09-25 16:16 ` Rik van Riel
2000-09-25 16:55 ` Alan Cox
2000-09-25 15:48 ` the new VM Andrea Arcangeli
2000-09-25 15:40 ` Stephen C. Tweedie
2000-09-25 16:01 ` Andrea Arcangeli
2000-09-25 14:37 ` Rik van Riel
2000-09-25 20:34 ` Christoph Rohland
2000-10-06 16:14 ` Rik van Riel
2000-10-09 7:37 ` Christoph Rohland
2000-09-25 13:04 ` Ingo Molnar
2000-09-25 13:19 ` Andrea Arcangeli
2000-09-25 13:18 ` Ingo Molnar
2000-09-25 13:21 ` Ingo Molnar
2000-09-25 13:31 ` Andrea Arcangeli
2000-09-25 13:47 ` Ingo Molnar
2000-09-25 14:04 ` Andrea Arcangeli
2000-09-25 1:31 ` [patch] vmfixes-2.4.0-test9-B2 Andrea Arcangeli
2000-09-25 1:27 ` Alexander Viro
2000-09-25 2:02 ` Andrea Arcangeli
2000-09-25 2:01 ` Alexander Viro
2000-09-25 13:47 ` Stephen C. Tweedie
2000-09-25 10:13 ` Ingo Molnar
2000-09-25 12:58 ` Andrea Arcangeli
2000-09-25 13:10 ` Ingo Molnar
2000-09-25 13:49 ` Jens Axboe
2000-09-25 14:11 ` Ingo Molnar
2000-09-25 14:05 ` Jens Axboe
2000-09-25 16:46 ` Linus Torvalds
2000-09-25 17:05 ` Ingo Molnar
2000-09-25 17:23 ` Andrea Arcangeli
2000-09-25 14:20 ` Andrea Arcangeli [this message]
2000-09-25 14:11 ` Jens Axboe
2000-09-25 14:33 ` Andrea Arcangeli
2000-09-25 13:56 ` Andrea Arcangeli
2000-09-25 13:57 ` Ingo Molnar
2000-09-25 14:13 ` Andrea Arcangeli
2000-09-25 14:08 ` Jens Axboe
2000-09-25 14:29 ` Andrea Arcangeli
2000-09-25 14:18 ` Jens Axboe
2000-09-25 14:47 ` Andrea Arcangeli
2000-09-25 21:28 ` Jens Axboe
2000-09-25 22:14 ` Andrea Arcangeli
2000-09-25 14:13 ` Ingo Molnar
2000-09-25 14:29 ` Ingo Molnar
2000-09-25 14:46 ` Andrea Arcangeli
2000-09-25 14:53 ` Ingo Molnar
2000-09-25 15:02 ` Andrea Arcangeli
2000-09-24 21:38 ` __GFP_IO && shrink_[d|i]cache_memory()? Stephen C. Tweedie
2000-09-24 23:20 ` Alan Cox
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