From: Raymond Yau <superquad.vortex2@gmail.com>
To: ALSA Development Mailing List <alsa-devel@alsa-project.org>
Subject: Re: pulseaudio eats 19% CPU power in Fedora 12
Date: Tue, 20 Apr 2010 13:36:07 +0800 [thread overview]
Message-ID: <q2u4f3252891004192236z28134ef7ubacaf0331a539745@mail.gmail.com> (raw)
In-Reply-To: <20100419032856.GA13629@tango.0pointer.de>
2010/4/19 Lennart Poettering <mznyfn@0pointer.de>
>
> Yes, sure. If you use "pacat" you can play audio with almost zero CPU
> usage, because it is one of the few clients that actually asks for
> sensible latency (2s), which allows us to minimize the wakeup intervals
> to less than a second.
>
>
> Lennart
>
>
Just test it on Fedora 10
CPU usage of pulseuadio is above 3% when using pacat
CPU usage of pulseaudio is below 2% when using aplay
CPU usage of pulseaudio is below 3% when using paplay
the test audio is stereo 44100Hz pcm wav
Do you have any figures on Fedora 12 or 13 ?
prev parent reply other threads:[~2010-04-20 5:36 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-14 7:56 pulseaudio eats 19% CPU power in Fedora 12 Wu Fengguang
2010-04-14 8:31 ` Colin Guthrie
2010-04-19 3:28 ` Lennart Poettering
2010-04-19 3:38 ` [alsa-devel] " Daniel Chen
2010-04-21 0:30 ` Raymond Yau
2010-04-21 7:57 ` Colin Guthrie
2010-04-22 1:11 ` Raymond Yau
2010-04-22 7:53 ` Colin Guthrie
2010-04-19 5:20 ` Shuang He
2010-04-19 14:48 ` [pulseaudio-discuss] " Lennart Poettering
2010-04-20 3:30 ` Raymond Yau
2010-04-19 8:34 ` Raymond Yau
2010-04-20 5:36 ` Raymond Yau [this message]
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