[PD-dev] [PD] What goes on during dsp ticks?

[Miller Puckette]

There's a rather hard-to-understand description on

http://crca.ucsd.edu/~msp/Publications/cmj91-max.ps

cheers
Miller

On Sun, Jun 15, 2008 at 09:57:00AM +0900, PSPunch wrote:
> 
> Sorry for accidentally sending the previous note to pd-list.
> 
> 
> Thomas,
> 
> 
> >> I hear that malloc is a "relatively" expensive task.
> >> Is it bad practice to run this each cycle, or is a kilobyte or two not a
> >> bid deal?
> 
> > That's definitely bad practice.
> > Instead of that you can do the allocation in the "dsp" callback, that's 
> > where you add your dsp processing to the signal chain. This callback 
> > will be called anytime when either the block size or sample rate changes 
> > or when the signal graph is rebuilt.
> 
> 
> Many thanks to you again, I know have it working with the way you suggest.
> 
> Being fairly new to C and Pd source, I am still at the stage where I 
> code with out understanding 100% of what I am really doing. This weekend 
> has been very adventurous so far.
> 
> Would you mind giving me directions to where I can find descriptions on 
> the concept "signal graph" and where I shall look in the code to see it 
> in action? It has nothing to do with the GUI object "graph" does it?
> 
> 
> --
> David Shimamoto
> 
> _______________________________________________
> Pd-dev mailing list
> Pd-dev at iem.at
> http://lists.puredata.info/listinfo/pd-dev