yade-dev team mailing list archive

[boon chiaweng <booncw@xxxxxxxxxxx>]

Weird:

 Yade [3]: O.numThreads
 ->  [3]: 2

But when I display the output from C using omp_get_max_threads, it shows 1 !

But somehow disabling parallel execution using globalMutex solved the problem of my global variable get messed up, althugh  parallelism is still on.  Do you know why?


Boon


----------------------------------------
> From: eudoxos@xxxxxxxx
> To: yade-dev@xxxxxxxxxxxxxxxxxxx
> Date: Fri, 9 Apr 2010 17:39:52 +0200
> Subject: Re: [Yade-dev] How to use a plugin
>
>> Thanks, Vaclav. What I did was I put this in the hpp file:
>> boost::mutex globalMutex;
>>
>> And this inside the function, which uses my variable idA:
>> boost::mutex::scoped_lock lock(globalMutex);
>
> Ok, but this will only prevent parallel execution of your function; but
> you said you had parallelism disabled... Could you check by inspecting
>
> O.numThreads==1
>
> ?
>
>
>
>
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