[kepler-users] Blocks to be called just once with SDF

[Edward A. Lee]

You could use a Modal Model.
See:

http://www.eecs.berkeley.edu/Pubs/TechRpts/2009/EECS-2009-151.html

Edward


On 7/8/10 5:03 AM, BARANA Oliviero 208302 wrote:
> Dear all,
>
> I'm rather new in the use of Kepler and I'm not so expert about actors,
> directors and so on.
>
> I have the following problem.
>
> I have a workflow (with a feedback loop inside) which is being executed
> a certain number of times depending on the value of a certain variable.
> When this variable is higher than a predetermined value, the Stop block
> is called and the workflow ends.
>
> I would like to execute a few blocks during the initialization phase,
> just once, before the execution of my workflow, but I can't. The problem
> is that these initalizing blocks are called each cycle and not once and,
> since they are very demanding from a computing-time point of view
> (access to a database to load signals), the overall execution is slowed
> a lot.
>
> Is anyone aware of a method to have a few blocks called just once,
> keeping in mind that I am using the SDF director (I put 0 in the
> Iterations field since, as I said, the overall execution is stopped by
> the Stop block)?
>
> Many thanks in advance for your help
>
> Oliviero
>
>
>
> _______________________________________________
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> Kepler-users at kepler-project.org
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-- 
-----------
Edward A. Lee, Professor
UC Berkeley
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