[PD-dev] signal graph processing

[IOhannes m zmölnig]

On 4/28/21 18:49, David Rush wrote:
> Hi All -
> 
> I'm trying to figure out where to look in the code to try and understand
> the signal rate processing better. Specifically, I want to understand how
> the graph gets optimized - I've read a rumour that [*~ 0] can cause a whole
> signal chain to stop being computed,
> and I would like to verify that in the
> code and understand the whole process a bit better.

don't listen to rumours. they are often wrong (like this one)

(and it wouldn't make sense: feeding a 0-signal into an object doesn't 
necessarily mean that that object will also output zeros)

> 
> Where should I start looking?
> 

the core of the DSP-graph handling is in src/d_ugen.c


ngsar
IOhannes
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 840 bytes
Desc: OpenPGP digital signature
URL: <http://lists.puredata.info/pipermail/pd-dev/attachments/20210428/5428cc51/attachment.sig>