i'm nearly done rewriting the whole thing as a PySide thing now. so far no
speed problems
2015-02-21 0:46 GMT+01:00 michael vorberg <pingkin...@googlemail.com>:
> but if you run the rebuild function in the main function, i guess before
> the callback, its super fast to build the 100 knobs. but then when you hit
> the rebuild function its getting slower with every knob you add.
>
>
> is there a flag or something to exclude knobs from the knobChanged
> callback?
>
> 2015-02-21 0:12 GMT+01:00 Nathan Rusch <nathan_ru...@hotmail.com>:
>
>> In 8.0v6, I get consistent (albeit slow) performance in my own quick
>> test, averaging a fraction of a second for removal and about 5.5 seconds to
>> add 100 knobs, followed by maybe 4 seconds for Nuke to actually redraw the
>> panel. 9.0 seems to be slightly slower. Disabling undo doesn't make a
>> difference either.
>>
>>
>> class PerfTest(nukescripts.panels.PythonPanel):
>> def __init__(self):
>> super(PerfTest, self).__init__('PerfTest', 'something')
>> self.addKnob(nuke.PyScript_Knob('rebuild'))
>> self.boolKnobs = []
>>
>> def knobChanged(self, knob):
>> if knob.name() == 'rebuild':
>> self.rebuild()
>>
>> def rebuild(self):
>> mark = time.time()
>> for k in reversed(self.boolKnobs):
>> self.removeKnob(k)
>> self.boolKnobs = []
>> mark 2 = time.time()
>> print 'knob removal:', mark2 - mark
>> for i in xrange(100):
>> k = nuke.Boolean_Knob('bool_' + str(i))
>> k.setFlag(nuke.STARTLINE)
>> self.addKnob(k)
>> self.boolKnobs.append(k)
>> print 'knob creation:', time.time() - mark2
>>
>>
>> -Nathan
>>
>>
>>
>> From: michael vorberg
>> Sent: Tuesday, February 17, 2015 4:31 AM
>> To: Nuke Python discussion
>> Subject: [Nuke-python] nukescript panel add button
>>
>>
>> hi,
>>
>> i create a nukescript panel which creates a some (boolean) buttons for
>> nodes in my script. i filter these nodes in the panel via a user text input.
>>
>> if i start my panel it set a default filter and everything is fine and
>> fast. when i hit my update button, i execute a callback function
>> (knobChanged) and to delete all the create boolean knobs and search again
>> in the nuke script and create new knobs.
>> here everything gets slower over time, but i call the same functions as
>> in the startup.
>>
>> i guess it will now call the knobChanged callback for every knob i create
>> to look if they hit a condition in there.
>>
>> i messured the execution time in the functions and i can see clearly a
>> dramatic increase in the time taken to create the knobs.
>>
>> startup call:
>>
>>
>> search time: 0.00189313135161
>>
>> clear list time: 2.67769610218e-06
>>
>> list length 24
>>
>> added knob time: 5.93556032982e-05
>>
>> added knob time: 5.71241898797e-05
>>
>> added knob time: 5.35539275006e-05
>>
>> added knob time: 5.35539284101e-05
>>
>> added knob time: 5.35539284101e-05
>>
>> added knob time: 5.48927755517e-05
>>
>> added knob time: 5.35539275006e-05
>>
>> added knob time: 5.44464937775e-05
>>
>> added knob time: 5.35539275006e-05
>>
>> added knob time: 5.4446492868e-05
>>
>> added knob time: 5.44464937775e-05
>>
>> added knob time: 5.53390582354e-05
>>
>> added knob time: 5.48927764612e-05
>>
>> added knob time: 5.48927764612e-05
>>
>> added knob time: 5.53390582354e-05
>>
>> added knob time: 5.53390591449e-05
>>
>> added knob time: 5.62316236028e-05
>>
>> added knob time: 5.6677907196e-05
>>
>> added knob time: 8.30085882626e-05
>>
>> added knob time: 5.04299487147e-05
>>
>> added knob time: 5.13225149916e-05
>>
>> added knob time: 5.08762313984e-05
>>
>> added knob time: 4.9983666031e-05
>>
>> added knob time: 5.17687967658e-05
>>
>> total knob time: 0.00277811001069
>>
>>
>>
>> update call:
>>
>> search time: 0.00190384213693
>>
>> clear list time: 3.12397969537e-06
>>
>> list length 24
>>
>> added knob time: 0.0111396632883
>>
>> added knob time: 0.0114480446564
>>
>> added knob time: 0.0120420469739
>>
>> added knob time: 0.0123955028985
>>
>> added knob time: 0.0129551414448
>>
>> added knob time: 0.0135629785273
>>
>> added knob time: 0.0142319563429
>>
>> added knob time: 0.0150205379314
>>
>> added knob time: 0.0158385741797
>>
>> added knob time: 0.0169823968236
>>
>> added knob time: 0.0177259038564
>>
>> added knob time: 0.0187371805287
>>
>> added knob time: 0.0198203087202
>>
>> added knob time: 0.0210083133543
>>
>> added knob time: 0.0222213098223
>>
>> added knob time: 0.0236030011629
>>
>> added knob time: 0.0248650887297
>>
>> added knob time: 0.0262856066684
>>
>> added knob time: 0.0277529842924
>>
>> added knob time: 0.0292618662115
>>
>> added knob time: 0.0308528641535
>>
>> added knob time: 0.0329334342532
>>
>> added knob time: 0.0344815890521
>>
>> added knob time: 0.0362542240655
>>
>>
>>
>> total knob time: 0.502958408235
>>
>>
>>
>> if i have around 100 nodes in my list, the time for the last knobs is
>> over 0.5 seconds.
>>
>>
>>
>> is there something i can do to prevent that?
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
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>
>
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