From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>,
alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com,
Liam Girdwood <lrg@ti.com>, Liam Girdwood <lrg@slimlogic.co.uk>
Subject: Re: [PATCH 1/2 v2] ASoC: soc-cache: block based rbtree compression
Date: Tue, 3 May 2011 14:51:28 +0100 [thread overview]
Message-ID: <20110503135117.GA2893@sirena.org.uk> (raw)
In-Reply-To: <s5hd3jzrjsw.wl%tiwai@suse.de>
On Tue, May 03, 2011 at 03:32:47PM +0200, Takashi Iwai wrote:
> Hrm, then I don't understand why changing the cache management changes
> the bulk I/O behavior as you described. What's missing there?
If we can't get the data laid out in a contiguous array in memory then
we have to gather the data for transmit in the I/O code which is
painful and wasteful. As I say for other cache formats this isn't an
issue.
next prev parent reply other threads:[~2011-05-03 13:51 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-02 12:28 [PATCH 1/2 v2] ASoC: soc-cache: block based rbtree compression Dimitris Papastamos
2011-05-02 12:28 ` [PATCH 2/2 v2] ASoC: soc-cache: cache a pointer to the last accessed rbtree block Dimitris Papastamos
2011-05-02 14:29 ` [PATCH 1/2 v2] ASoC: soc-cache: block based rbtree compression Takashi Iwai
2011-05-02 14:40 ` Dimitris Papastamos
2011-05-02 14:46 ` Takashi Iwai
2011-05-02 14:51 ` Dimitris Papastamos
2011-05-02 14:42 ` Dimitris Papastamos
2011-05-02 14:47 ` Takashi Iwai
2011-05-02 14:58 ` Dimitris Papastamos
2011-05-03 9:43 ` Mark Brown
2011-05-03 10:38 ` Takashi Iwai
2011-05-03 10:47 ` Mark Brown
2011-05-03 10:50 ` Takashi Iwai
2011-05-03 11:02 ` Mark Brown
2011-05-03 12:25 ` Takashi Iwai
2011-05-03 13:02 ` Mark Brown
2011-05-03 13:18 ` Takashi Iwai
2011-05-03 13:24 ` Mark Brown
2011-05-03 13:32 ` Takashi Iwai
2011-05-03 13:51 ` Mark Brown [this message]
2011-05-03 14:07 ` Takashi Iwai
2011-05-03 14:27 ` Mark Brown
2011-05-03 15:22 ` Takashi Iwai
2011-05-03 15:24 ` Mark Brown
2011-05-03 15:30 ` Takashi Iwai
2011-05-03 15:40 ` Mark Brown
2011-05-03 15:47 ` Takashi Iwai
2011-05-03 15:48 ` Mark Brown
2011-05-03 15:54 ` Takashi Iwai
2011-05-03 15:55 ` Mark Brown
2011-05-03 16:06 ` Takashi Iwai
2011-05-03 11:21 ` Mark Brown
2011-05-03 11:24 ` Dimitris Papastamos
2011-05-03 11:26 ` Mark Brown
2011-05-03 11:46 ` Dimitris Papastamos
2011-05-03 13:44 ` Mark Brown
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