[pulseaudio-discuss] system-wide daemon

[Bill Cox]

The power savings on a laptop will be so close to zero, you couldn't
measure the improvement in battery life.  40 interupts per second
(what raw ALSA does) compared to streaming 22KB per seccond to the
sound card is too small to care.  You wont notice any improvement.

On Wed, Feb 10, 2010 at 2:26 PM, Colin Guthrie <gmane at colin.guthr.ie> wrote:
> 'Twas brillig, and Arun Raghavan at 10/02/10 19:26 did gyre and gimble:
>> On Wed, 2010-02-10 at 11:16 -0500, Bill Cox wrote:
>>> Ok, the new "glitchless" code sounds cool.  Reducing the interrupts
>>> seems close to pointless from a power savings view, unless we're in an
>>> embedded environment where we slow down the CPU and lower it's power
>>> on sub-second intervals.  Otherwise, copying the data the data to the
>>> sound buffer will heavily dominate power.
>>
>> Why would the power concerns not apply on laptops and netbooks?
>
> And tablets.... *everyone* loves tablets these days.... except for all
> those folks who don't :p
>
> --
>
> Colin Guthrie
> gmane(at)colin.guthr.ie
> http://colin.guthr.ie/
>
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