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

Hans-Christoph Steiner hans at at.or.at
Thu Oct 25 23:04:22 CEST 2012


My brain is already halfway in it, can you give me some pointers on where to
look?  Do you know what code is stopping the updates?

.hc

On 10/25/2012 04:56 PM, Miller Puckette wrote:
> THe whole edifice needs to be reworked I'm afraid... but it's a big project
> which I haven't yet been able to get started on.
> 
> cheers
> M
> 
> On Thu, Oct 25, 2012 at 04:37:53PM -0400, Hans-Christoph Steiner wrote:
>>
>> 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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>>>>>
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