I use ecj 14.
I usually kill the master with Ctrl-C, and make the clients exit when the connection is lost.
From: Liviu Panait <[log in to unmask]>
Reply-To: ECJ Evolutionary Computation Toolkit <[log in to unmask]>
To: [log in to unmask]
Subject: Re: Master/Slave
Date: Fri, 21 Apr 2006 12:24:47 -0400
>>Is there any way to kill all the slave processes after the master
>>goes down? I modified the previous version so that the slaves would
>> exit, but after upgrading I forgot to do this, and now I have
>>slaves running on my entire cluster and they would not exit. Any
>>way that I would not have to log into all nodes and kill them all
>Of course there is a way, you can always write a script.... ;-)
>On a more serious note, which version are you using? I tried
>version 15, and the slaves seem to exit when the master shuts down.
> The way this is implemented is that all slaves are sent a
>V_SHUTDOWN message when the master is about to exit. When the
>slaves receive this message, they close their sockets, and then
>they exit (this is implemented via a return call from the main
>function). Is it possible that the return call is commented out in
>your version for some reason?
>>From: Sean Luke <[log in to unmask]>
>>Reply-To: ECJ Evolutionary Computation Toolkit <ECJ-INTEREST-
>>[log in to unmask]>
>>To: [log in to unmask]
>>Subject: ECJ 14/15 and MASON 11 released
>>Date: Tue, 4 Apr 2006 01:10:38 -0400
>> >The George Mason University Evolutionary Computation Laboratory
>> >Center for Social Complexity announce a new release of the ECJ
>> >evolutionary computation library and MASON multiagent simulation
>> >toolkit. Both systems have seen major improvements and revisions
>> >since the last release approximately eight months ago. The two
>> >systems are also being re-licensed under the Academic Free
>> >version 3.0.
>> >ECJ is being released in two versions: a backward-compatable
>> > (14) and a non-backward-compatible version (15) with
>> >framework revisions. The dual release will (hopefully) give
>> >some extra time to convert to the new version. ECJ 14/15 also
>> >numerous bug-fixes, speed improvements, and a new package
>> >ECJ can be found here:
>> > http://cs.gmu.edu/~eclab/projects/ecj/
>> >ECJ CVS access is also available at SourceForge, but
>> > has experienced a major hardware failure this past week and CVS
>> >access is not expected for several days at the earliest.
>> >MASON 11 is a major revision of our multiagent simulator. It
>> > a new charting and tracking facility, several new problem
>> > and a very large number of bug fixes and improvements.
>> >MASON can be found here:
>> > http://cs.gmu.edu/~eclab/projects/mason/
>> >Sean Luke