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  1. The Distributed Hardware Evolution Project is now back in Beta!

    Hello everyone,

    We're restarting the Distributed Hardware Evolution Project. After several years offline the results found by this project are still today the best self-checking designs for the...
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    Bug fixed in SQL statement logging database which...

    Bug fixed in SQL statement logging database which didn't allow effort to grow.
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    You only have to look at the graph (now the LHS...

    You only have to look at the graph (now the LHS bit is a bit squashed) to see punctuated equilibrium at work. Parts of neutral drift and then two or three fitness jumps togather... You can see the...
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    as far as i know, stats can only go down when you...

    as far as i know, stats can only go down when you have two islands with the same name. So make sure your process isn't running two copies!!
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    Its really hard to know wether such fancy GA...

    Its really hard to know wether such fancy GA stuff works better or not. Since to know if it works you've got to do loads of these runs to get a statistically significant result. By the time you've...
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    The best BEECOUNT circuit diagnosed 80% of...

    The best BEECOUNT circuit diagnosed 80% of faults. This is quite good considering the fact that evolution was quite low level. However I'm not happy enough with this result to put it in the Hall of...
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    Sticky: If you're using windows, did you make sure the...

    If you're using windows, did you make sure the java.policy file didn't download as java.policy.txt?

    If not, what problem did you have?
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    Poll: Circuit Diagram Improvement

    Changes can be seen on the hall of fame circuits:
    http://www.cogs.susx.ac.uk/users/mmg20/stats.php#hall

    Now gates which are outputting a 1 appear red and faults appear as a crossed out gate.
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    Sticky: Pimping & Poaching

    If you can find a way of convincing more people to join the project you'd be very welcome to. Specially people who're wasting their CPU cycles crunching a number for a prize which is less than...
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    Poll: The client uses Java's Remote Method Invocation...

    The client uses Java's Remote Method Invocation who's server is listening at port 1099. Your firewall seems to be letting things below 1024 go through, is that right? Have you tested to see where...
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    The website is on a completely different machine...

    The website is on a completely different machine than the project. So even if you don't see any stats the project server will probably be running: it has never crashed since it started. The...
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    This coincides with the time I couldn't access my...

    This coincides with the time I couldn't access my email nor run processes on the depts central computer.... You will have to bear this kind of thing, hopefully its all due to the major restructuring...
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    Poll: Not sure what your definition of standard port...

    Not sure what your definition of standard port is. If by that you mean ports like 21,22,80 which are reserved for ftp,ssh,www, etc... then there's an obvious problem. Or do you mean ports below...
  14. Thread: Voting

    by michaelgarvie
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    Voting

    By the way the polls are open to everyone. All you have to do to vote is login first. With your feedback I'll be able to know what things should be higher priority to improve.
    Cheers,
    Miguel
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    A speed improvement of 200% is most likely...

    A speed improvement of 200% is most likely because you're comparing it with last weeks run which was slower. A lot has changed since then. Please compare both JVMs with current runs.
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    Circuit is only rendered upon repaint event, so...

    Circuit is only rendered upon repaint event, so nothing wasted.

    I guess I could improve the console output, I'll put it on my list.

    However it is important to have the genotype printed just in...
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    WOW:...

    WOW:
    http://java.sun.com/products/hotspot/docs/general/hs2.html

    This is amazing. It downloads bytecode off the server. Runs it for a while. Works out that it spends 75% of its time in one loop...
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    With my Athlon/Linux 1.4.2 -server runs at 120%...

    With my Athlon/Linux 1.4.2 -server runs at 120% the speed of 1.3.

    Are you getting a more dramatic difference?
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    Poll: Installation Problems

    What problems have you had during installation.
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    Poll: What you see.

    When running the DHE client from a script you can see:
    A. In the console window the history of the best individual of the generations with its genotype and fitness scores at the main task <f>,...
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    Every generation doesn't make sense since there...

    Every generation doesn't make sense since there could be 200 a second.
    Every n seconds may be a waste of processing if you're not watching it.

    You can force a repaint by clicking on the split...
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    For the last couple of days I've been trying out...

    For the last couple of days I've been trying out different GA parameters which would've made generations a lot easier to crunch.

    Does the -server option make things faster now as well?
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    The client isn't finding a DISPLAY to show the...

    The client isn't finding a DISPLAY to show the GUI. This is a separate thread and doesn't interfere with the main thread at all.

    Did you want the GUI though?
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    Whatever works is included in the population. ...

    Whatever works is included in the population. Some designs will be asynchronous while others will pay strict attention to the clock input. The best circuit so far is mainly synchronous but has some...
  25. Thread: Elitism

    by michaelgarvie
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    There is elitism per island. However noise means...

    There is elitism per island. However noise means sometimes some islands get lucky, and then others. I expect the real top fitness, ie. the one the best individual would get averaged over millions...
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