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Re: [sc-users] Allocating large memsize (in server.options)
it could be that some of this would benefit from building a UGen to do it for you. GVerb (for instance) is just a bunch of multitap delays inside it... it could be that you would benefit from writing your code in C.
Best,
Josh
On Sep 22, 2010, at 7:40 PM, e deleflie wrote:
>> also - the large scale things you do, is there not a way to do smaller chunks that you can mix together? Just wondering if it might make things easier for you in the end.
>
> yes, I can break down my process into several chunks. I'm hesitant to
> do that because my GUI and associated spatial processing is already
> phenomenally complex ... and adding more steps will frustrate.
>
> There's also that issue of the gap between trial & analysis .... you
> know ... try an idea, listen, accept or reject it, try an other idea
> etc. As it stands my process is 'try an idea' ... 'wait for a couple
> of hours' ... 'listen' ... 'try to remember what it was I did' ...
> 'accept/reject' .... if you get my drift.... which is why I was so
> keen to get Supernova running (on a 16 CPU machine I have access to).
>
> I can also try reducing the number of early reflections I am modelling.
>
> Etienne
>
>> Best,
>>
>> Josh
>>
>> On Sep 22, 2010, at 7:29 PM, e deleflie wrote:
>>
>>> Josh,
>>>
>>> I just noticed that I was setting the memory allocations twice in my
>>> code (I had one part of my GUI externalised as an independent tool).
>>> Anyway ... when I fix that ... I can now successfully allocate 2 Gigs
>>> when I use local. Still get a crash when I use Internal. Unfortunately
>>> ... the 2Gig is still not enough!
>>>
>>>> it would mean it is allocated dynamically and should just cause a failed allocation (rather then a crash). Also - DelayL (and their ilk) round up to the next power of two. Allocating otherwise doesn't (I believe).
>>>
>>> ah, OK ... that may make a significant different because I am
>>> allocating several thousand buffers. Trying now.
>>>
>>> Etienne
>>>
>>> On Thu, Sep 23, 2010 at 12:17 PM, Josh Parmenter <josh@xxxxxxxxxxxxxxxxx> wrote:
>>>> can you try it without Jack and see if that makes a difference?
>>>>
>>>> Josh
>>>>
>>>> On Sep 22, 2010, at 7:15 PM, e deleflie wrote:
>>>>
>>>>> Josh,
>>>>>
>>>>> I am on OSX. scserver ... (not Supernova). When I execute the
>>>>> following manually, I get no crash.
>>>>>
>>>>> Server.default = Server.local;
>>>>> s = Server.default;
>>>>> s.options.device="JackRouter";
>>>>> s.options.sampleRate = 48000.0;
>>>>> s.options.numOutputBusChannels = 16;
>>>>> s.options.maxNodes = 65536;
>>>>> s.options.memSize = 2097152; // 1048576
>>>>> s.options.maxSynthDefs = 16384;
>>>>> s.options.numAudioBusChannels = 7200;
>>>>> s.boot;
>>>>>
>>>>> However, when those lines are executed within the context of my
>>>>> (complex) app, I get a crash with no error reporting whatsoever.
>>>>> Unless I half the memSize.
>>>>>
>>>>>> you have sounds moving over half a mile???
>>>>>
>>>>> no, only over around 300m ... but the 2nd and 3rd bounce reflections
>>>>> on walls means that distances can easily blow out to over 1km.
>>>>>
>>>>>> That's a lot of delay time.
>>>>>
>>>>> yes.
>>>>>
>>>>> Etienne
>>>>>
>>>>>> Josh
>>>>>>
>>>>>> On Sep 22, 2010, at 7:03 PM, e deleflie wrote:
>>>>>>
>>>>>>>> What processing are you doing?
>>>>>>>
>>>>>>> I have 400 moving sound sources ... each with 7 reflections on walls.
>>>>>>> (i.e. 3200 sounds). Each sound uses a DelayL to simulate Doppler
>>>>>>> shifts. (Each DelayL uses about 2 or 3 seconds of buffer).
>>>>>>>
>>>>>>> Etienne
>>>>>>>
>>>>>>>> hjh
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> James Harkins /// dewdrop world
>>>>>>>> jamshark70@xxxxxxxxxxxxxxxxx
>>>>>>>> http://www.dewdrop-world.net
>>>>>>>>
>>>>>>>> "Come said the Muse,
>>>>>>>> Sing me a song no poet has yet chanted,
>>>>>>>> Sing me the universal." -- Whitman
>>>>>>>>
>>>>>>>> blog: http://www.dewdrop-world.net/words
>>>>>>>> audio clips: http://www.dewdrop-world.net/audio
>>>>>>>> more audio: http://soundcloud.com/dewdrop_world/tracks
>>>>>>>>
>>>>>>>
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>>>>>>
>>>>>> ******************************************
>>>>>> /* Joshua D. Parmenter
>>>>>> http://www.realizedsound.net/josh/
>>>>>>
>>>>>> “Every composer – at all times and in all cases – gives his own interpretation of how modern society is structured: whether actively or passively, consciously or unconsciously, he makes choices in this regard. He may be conservative or he may subject himself to continual renewal; or he may strive for a revolutionary, historical or social palingenesis." - Luigi Nono
>>>>>> */
>>>>>>
>>>>>>
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>>>>>
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>>>>
>>>> ******************************************
>>>> /* Joshua D. Parmenter
>>>> http://www.realizedsound.net/josh/
>>>>
>>>> “Every composer – at all times and in all cases – gives his own interpretation of how modern society is structured: whether actively or passively, consciously or unconsciously, he makes choices in this regard. He may be conservative or he may subject himself to continual renewal; or he may strive for a revolutionary, historical or social palingenesis." - Luigi Nono
>>>> */
>>>>
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>>
>> ******************************************
>> /* Joshua D. Parmenter
>> http://www.realizedsound.net/josh/
>>
>> “Every composer – at all times and in all cases – gives his own interpretation of how modern society is structured: whether actively or passively, consciously or unconsciously, he makes choices in this regard. He may be conservative or he may subject himself to continual renewal; or he may strive for a revolutionary, historical or social palingenesis." - Luigi Nono
>> */
>>
>>
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>
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******************************************
/* Joshua D. Parmenter
http://www.realizedsound.net/josh/
“Every composer – at all times and in all cases – gives his own interpretation of how modern society is structured: whether actively or passively, consciously or unconsciously, he makes choices in this regard. He may be conservative or he may subject himself to continual renewal; or he may strive for a revolutionary, historical or social palingenesis." - Luigi Nono
*/
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