From: Abramo Bagnara <abramo.bagnara@libero.it>
To: Jaroslav Kysela <perex@suse.cz>
Cc: Jaroslaw Sobierski <fycio@gucio.com>,
"alsa-devel@lists.sourceforge.net"
<alsa-devel@lists.sourceforge.net>
Subject: Re: Re: dmix plugin
Date: Wed, 19 Feb 2003 11:20:09 +0100 [thread overview]
Message-ID: <3E535A59.63721BE2@libero.it> (raw)
In-Reply-To: Pine.LNX.4.44.0302182159440.1636-100000@pnote.perex-int.cz
Jaroslav Kysela wrote:
>
> I've implemented the whole transfer and mix loop in assembly and it works
> without any drastic impact on CPU usage. I tried to optimize the assembler
> part as much as I can, but if some assembler guru want to give a glance,
> I'll appreciate it. The function is named mix_areas1() in
> alsa-lib/src/pcm/pcm_dmix.c.
one comment:
It's better to execute interleaved check once and not in mix_areas
one objection:
I doubt very much that you gain anything coding the mixing loop in
assembler, you've data showing that?
--
Abramo Bagnara mailto:abramo.bagnara@libero.it
Opera Unica Phone: +39.546.656023
Via Emilia Interna, 140
48014 Castel Bolognese (RA) - Italy
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next prev parent reply other threads:[~2003-02-19 10:20 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-17 15:32 Re: dmix plugin Jaroslaw Sobierski
2003-02-17 19:45 ` Jaroslav Kysela
2003-02-17 20:44 ` tomasz motylewski
2003-02-17 20:59 ` Jaroslav Kysela
2003-02-18 10:00 ` Abramo Bagnara
2003-02-18 12:52 ` Jaroslav Kysela
2003-02-18 13:10 ` Jaroslaw Sobierski
2003-02-18 13:19 ` Jaroslav Kysela
2003-02-18 14:51 ` Paul Davis
2003-02-18 16:51 ` Jaroslav Kysela
2003-02-18 21:07 ` Jaroslav Kysela
2003-02-19 10:20 ` Abramo Bagnara [this message]
2003-02-19 11:01 ` Jaroslav Kysela
2003-02-19 11:17 ` Abramo Bagnara
2003-02-19 13:49 ` Abramo Bagnara
2003-02-19 15:45 ` Jaroslaw Sobierski
2003-02-19 20:39 ` Abramo Bagnara
2003-02-19 18:34 ` Jaroslav Kysela
2003-02-19 21:24 ` Jaroslav Kysela
2003-02-20 8:28 ` Abramo Bagnara
2003-02-20 8:30 ` Jaroslaw Sobierski
2003-02-20 8:48 ` Abramo Bagnara
2003-02-20 9:17 ` Echoaudio drivers Giuliano Pochini
2003-02-20 14:37 ` David Olofson
2003-02-20 15:40 ` Giuliano Pochini
2003-02-20 16:03 ` David Olofson
2003-02-20 8:53 ` Re: dmix plugin Abramo Bagnara
2003-02-20 16:49 ` Jaroslav Kysela
2003-02-20 17:57 ` Abramo Bagnara
2003-02-20 18:26 ` Paul Davis
2003-02-20 19:23 ` unterminated conditionals: @HAVE_JACK_TRUE@ tomasz motylewski
2003-02-20 19:57 ` Jaroslav Kysela
2003-02-20 20:30 ` tomasz motylewski
2003-02-20 22:14 ` Re: dmix plugin Abramo Bagnara
2003-02-20 19:55 ` Jaroslav Kysela
2003-02-20 21:19 ` tomasz motylewski
2003-02-20 21:27 ` Jaroslav Kysela
2003-02-21 10:25 ` Abramo Bagnara
2003-02-21 14:08 ` Jaroslaw Sobierski
2003-02-19 10:33 ` Jaroslaw Sobierski
2003-02-19 11:08 ` Jaroslav Kysela
-- strict thread matches above, loose matches on Subject: below --
2003-02-17 22:28 Jaroslaw Sobierski
2003-02-17 16:18 Jaroslaw Sobierski
2003-02-17 13:12 Jaroslaw Sobierski
2003-02-17 13:22 ` Jaroslav Kysela
2003-02-17 18:15 ` Paul Davis
2003-02-18 22:36 ` Abramo Bagnara
2003-02-17 13:24 ` Jaroslav Kysela
2003-02-17 11:18 Jaroslaw Sobierski
2003-02-17 11:53 ` Jaroslav Kysela
2003-02-17 10:04 Jaroslaw Sobierski
2003-02-17 10:15 ` Jaroslav Kysela
2003-02-17 12:15 ` Abramo Bagnara
2003-02-17 13:12 ` Jaroslav Kysela
2003-02-17 13:29 ` Abramo Bagnara
2003-02-17 15:00 ` Jaroslav Kysela
2003-02-17 15:21 ` Abramo Bagnara
2003-02-17 10:32 ` tomasz motylewski
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