[PD] JACK and blocksize

[Christof Ressi]

> Oh, interesting. Haven't tried myself yet, but good to know that many
> patches wouldn't work. I can't get around using [receive~].

Have you seen my last reply 
(https://lists.puredata.info/pipermail/pd-list/2022-01/130716.html)? It 
describes how to fix this. (I would not recommend doing this in 
practice, though.)

---

If more people think that they need to run Pd at a lower scheduler block 
size, we should think about making it a runtime option. AFAICT, there is 
no technical reason why it has to be a compile time constant.

Christof


On 1/15/22 2:20 PM, Roman Haefeli wrote:
> On Fri, 2022-01-14 at 23:17 +0100, Athos Bacchiocchi wrote:
>> I was curious so I compiled pd-0.52-1 on linux, with DEFDACBLKSIZE
>> set to 16.
>> I set Jack up with buffer size 16, and run pd with jack backend.
>>
>> Most of the patches in the help browser works, but at least these
>> objects fail to load:
>> sigcatch : unexpected vector size
>> throw~ : vector size mismatch
>> receive~ : vector size mismatch
>> sigsend : unexpected vector size
> Oh, interesting. Haven't tried myself yet, but good to know that many
> patches wouldn't work. I can't get around using [receive~].
>
>
>> In the options for ALSA, the current block size is displayed
>> correctly as 16 but you cannot select it again once you change it.
> That makes sense. The menu dialog code would probably need to be
> adapted for that.
>
> Roman
>
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