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January 2006

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Subject:
From:
Liviu Panait <[log in to unmask]>
Reply To:
ECJ Evolutionary Computation Toolkit <[log in to unmask]>
Date:
Sun, 29 Jan 2006 02:22:28 -0500
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Istvan,

evalthreads does not have any impact on the new master-slave
evaluator. We support it in the new master-slave just for
compatibility with the other evaluators. If I were to use the
system, I'd set evalthreads=1

As evaluators may come online and crash at any point in time, their
random seeds are usually set as N+K, where N is a fixed number, and K
is the number of slaves that have connected up to now to the master.

Best regards,

Liviu.

On Jan 28, 2006, at 11:17 PM, I Jonyer wrote:

> Liviu (or Sean),
>
> I have been testing the distributed functionality in ECJ14 beta. I
> have been playing with the number of evaluation threads and the
> actual number of clients I am starting up. The number of evaluation
> threads does not seem to have any effect. The master always accepts
> all the clients that want to register, never refusing any of them
> or waiting for more. I like this the way it is, but I am wondering
> what, if any, role evalthreads plays in this version.
> Also, if I have 10 evalthreads specified, but 20 clients
> registering, what is the default value of the random seed for those
> clients which were never specified?
>
> Thank you,
> Istvan

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