From: Nick Piggin <piggin@cyberone.com.au>
To: Andrea Arcangeli <andrea@suse.de>
Cc: William Lee Irwin III <wli@holomorphy.com>,
Andrew Morton <akpm@digeo.com>,
David Lang <david.lang@digitalinsight.com>,
linux-kernel@vger.kernel.org
Subject: Re: IO scheduler benchmarking
Date: Fri, 21 Feb 2003 22:17:55 +1100 [thread overview]
Message-ID: <3E560AE3.8030309@cyberone.com.au> (raw)
In-Reply-To: <20030221110807.GQ31480@x30.school.suse.de>
Andrea Arcangeli wrote:
>it's like a dma ring buffer size of a soundcard, if you want low latency
>it has to be small, it's as simple as that. It's a tradeoff between
>
Although the dma buffer is strictly FIFO, so the situation isn't
quite so simple for disk IO.
next prev parent reply other threads:[~2003-02-21 11:09 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-21 5:23 IO scheduler benchmarking Andrew Morton
2003-02-21 5:23 ` iosched: parallel streaming reads Andrew Morton
2003-02-21 5:24 ` iosched: effect of streaming write on interactivity Andrew Morton
2003-02-21 5:25 ` iosched: effect of streaming read " Andrew Morton
2003-02-21 5:25 ` iosched: time to copy many small files Andrew Morton
2003-02-21 5:26 ` iosched: concurrent reads of " Andrew Morton
2003-02-21 5:27 ` iosched: impact of streaming write on streaming read Andrew Morton
2003-02-21 5:27 ` iosched: impact of streaming write on read-many-files Andrew Morton
2003-02-21 5:27 ` iosched: impact of streaming read " Andrew Morton
2003-02-21 10:40 ` Andrea Arcangeli
2003-02-21 10:55 ` Nick Piggin
2003-02-21 11:23 ` Andrea Arcangeli
2003-02-21 21:11 ` Andrew Morton
2003-02-23 15:16 ` Andrea Arcangeli
2003-02-25 12:02 ` Pavel Machek
2003-02-21 5:28 ` iosched: effect of streaming read on streaming write Andrew Morton
2003-02-21 6:51 ` IO scheduler benchmarking David Lang
2003-02-21 8:16 ` Andrew Morton
2003-02-21 10:31 ` Andrea Arcangeli
2003-02-21 10:51 ` William Lee Irwin III
2003-02-21 11:08 ` Andrea Arcangeli
2003-02-21 11:17 ` Nick Piggin [this message]
2003-02-21 11:41 ` Andrea Arcangeli
2003-02-21 21:25 ` Andrew Morton
2003-02-23 15:09 ` Andrea Arcangeli
2003-02-21 11:34 ` William Lee Irwin III
2003-02-21 12:38 ` Andrea Arcangeli
-- strict thread matches above, loose matches on Subject: below --
2003-02-25 5:35 rwhron
2003-02-25 6:38 ` Andrew Morton
2003-02-25 12:59 rwhron
2003-02-25 22:09 ` Andrew Morton
2003-02-25 21:57 rwhron
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