>From: Петров Александр <[EMAIL PROTECTED]> >Date: 23.12.2007 13:23 >Subject: Re: Model Readers-Writers Problem >To: [EMAIL PROTECTED]
>Thank you, it is very useful information for me. And in fact you've >answered my previous letter question :) >Only one question remain obscure for me, why this model - >http://files.rsdn.ru/39468/ResourcePoolWithDoubleSleep.xml - works >deterministically ? At least all times I run this model, it's >behaviour was deterministic. >Thank you for help. >Petrov Alexander I can't understand why the described problem(http://files.rsdn.ru/39468/ResourcePoolWithDoubleSleep.xml) appears, but I've noticed, that if I listen to input port of actor "Sleep", then the problem disappears and model start to behave nondeterministic. If I close listening Sleep.input window, then model behave deterministic again. I try to find the cause of such situation by analyzing source code of RendezvousReciever.putToAny method, but I've not found anything, that could shed some light on the problem. Petrov Alexander ----------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------- 2007/12/23, Edward A. Lee <[EMAIL PROTECTED]>: > > I can't quite parse the question, since all the text is run together > in one big block, but it might be answered by > just explaining how the rendezvous domain works. Any time an actor > reads from an input port, it blocks until a rendezvous occurs. > Non-domain-specific actors will always read from input ports in > some order, depending on how they are written. Domain-specific > actors (such as the merge actor that I used) can use more elaborate > capabilities to indicate a willingness to rendezvous with any of > several inputs. > > Edward > ---------------------------------------------------------------------------- Posted to the ptolemy-hackers mailing list. Please send administrative mail for this list to: [EMAIL PROTECTED]
