[PD-dev] strange behavior of [metro 98.5] for [tabwrite~] into visual array

Hans-Christoph Steiner hans at at.or.at
Thu Oct 25 22:37:53 CEST 2012


I can see a reason to rate limit the updates, but totally stopping them seems
really bad to me.  Anyone disagree?

.hc

On 10/25/2012 03:56 PM, Jonathan Wilkes wrote:
> At arraysize = 4352 I get animation for the full range of the slider
> 
> At arraysize = 4353 I get frozen array for full range
> 
> Of course if I try to  move the number box down with arraysize at 4352
> I get freezes.
> 
> Changing to polygons or points doesn't change it.
> 
> In general there's nothing special about the98.5 rate.  For arraysize=n
> there's obviously an update rate x under which it no longer sends updates,
> and I guess for the size you chose that's it.
> 
> How does other software like Supercllider deal with scope updates?
> 
> 
> -Jonathan
> 
> 
> ----- Original Message -----
>> From: Hans-Christoph Steiner <hans at at.or.at>
>> To: pd-dev at iem.at
>> Cc: 
>> Sent: Thursday, October 25, 2012 2:28 PM
>> Subject: Re: [PD-dev] strange behavior of [metro 98.5] for [tabwrite~] into visual array
>>
>>
>> OK, this is strange.  Lorenzo's patch works fine on mine too, down to 2ms.
>> But my patch still has the same 98.5ms issue. Its attached again, if you could
>> try it.
>>
>> .hc
>>
>> On 10/25/2012 06:21 AM, Lorenzo Sutton wrote:
>>>
>>>   Same here, 0.43.4-extended-20121022 - Wheezy (guess it's the most 
>> recent
>>>   extended autobuild?)
>>>   The attached patch works all the way down to 2 msec, of course with various
>>>   'artefacts'.
>>>
>>>   Lorenzo
>>>
>>>   On 25/10/12 04:28, Jonathan Wilkes wrote:
>>>>   It updates fine with 0.43.1-extended-20120815 on Wheezy, even at [metro 
>> 2]
>>>>   although I
>>>>   start getting sluggishness with that setting.
>>>>
>>>>   -Jonathan
>>>>
>>>>
>>>>
>>>>   ----- Original Message -----
>>>>>   From: Hans-Christoph Steiner <hans at at.or.at>
>>>>>   To: pd-dev List <pd-dev at iem.at>
>>>>>   Cc:
>>>>>   Sent: Wednesday, October 24, 2012 9:33 PM
>>>>>   Subject: Re: [PD-dev] strange behavior of [metro 98.5] for 
>> [tabwrite~] into
>>>>>   visual array
>>>>>
>>>>>
>>>>>   No ideas on this one?  It is a serious bug since it means that 
>> arrays stop
>>>>>   being drawn at all when banged often than 100ms.
>>>>>
>>>>>   .hc
>>>>>
>>>>>   On 10/08/2012 12:26 PM, Hans-Christoph Steiner wrote:
>>>>>>    I've noticed that if you bang a [tabwrite~ array1] more 
>> often than
>>>>>   about 100ms, the array that its writing to will not send updates to 
>> the
>>>>>   GUI.  It
>>>>>   seems that its a kind of a fade out with [metro 100] seems to send 
>> all
>>>>>   updates,
>>>>>   [metro 98.8] send some updates and [metro 95] sends basically none.
>>>>>>    Any ideas what could be causing this?  I didn't see 
>> anything.  This
>>>>>   happens on 0.42.5, 0.43.4 and pure-data.git master.  Attached is 
>> patch to
>>>>>   demonstrate this.
>>>>>>    .hc
>>>>>>
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