[PD] number of soundcard channels and cpu cost
msp at ucsd.edu
Mon Apr 20 21:50:38 CEST 2015
I think there's a slight penalty but it's not enough to worry about in most
systems. Anyway, when you don't have any choice, best thing is to just do
On Sat, Apr 18, 2015 at 02:03:48AM -0300, Alexandre Torres Porres wrote:
> Hi there, recently, I had to use the adat outputs of my audio card in Pd,
> but these channesl are from 16 to 24 (they skip all the analog outs plus
> some other things like SPDIF). My question is, if I ask Pd to work with
> that much audio outputs (24 of them), but only use a couple of outputs
> (like [dac~ 17 20] for example), is it more expensive on the CPU compared
> to if I only have 2 outputs and use [dac~ 1 2]?
> In short, does the cost depend only in the number of outputs in a [dac~]
> Moreover, does the number of [dac~] objects make a difference? For
> instance, having one [dac~] with many outputs costs the same as different
> [dac~] objects for each output?
> I always had the idea that too many outputs could really mean a lot more
> cpu cost, but I'm not sure now if that cost is really real or relevant.
> what do you say?
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