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September 2013

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Subject:
Re: checkpointing
From:
Marc Segond <[log in to unmask]>
Reply To:
ECJ Evolutionary Computation Toolkit <[log in to unmask]>
Date:
Wed, 4 Sep 2013 23:06:29 +0200
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Dear Sean,
I tried with the SVN version, and indeed it works.
I tried again with the .tar.gz version, and I confirm that checkpointing doesn't work when using multithreading. It generates correctly the checkpoints, put when you try to resume from a checkpoint, it loads all the history, but then fails to start again the evaluation without printing any error or raising any exception.
As far as I could trace it, it stays stuck waiting for a thread.

Conclusion: use the SVN version ;)

Best regards

Marc

Le 4 sept. 2013 à 17:36, Marc Segond <[log in to unmask]> a écrit :

> 
> On 04/09/2013 17:29, Sean Luke wrote:
> > On Sep 4, 2013, at 11:03 AM, Marc Segond wrote:
> >
> >> - - launch a run with checkpointing AND more than one thread
> >> - - try to load from any checkpoint
> >>
> >> It gets stuck after loading the checkpoint, seems that it does not
> >> succeed to run the evaluation.
> >
> > Per earlier discussion on this list, did you make the ThreadPool
> serializable?
> Yes, when it is not Serializable, it raises an error at execution time,
> which is not the case.
> >
> >
> > Marc, try the SVN repository version of the code rather than the
> tarball on the website.
> >
> > Sean
> I will try.
> 
> Best
> 
> Marc
> 
>

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