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Subject: Re: DPerft, new server and client, perft(11) almost done.

Author: Albert Bertilsson

Date: 23:41:00 12/16/03

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On December 16, 2003 at 17:01:07, Russell Reagan wrote:

>On December 16, 2003 at 16:29:59, Albert Bertilsson wrote:
>
>>Hi everybody!
>>
>>This will hopefully be the final DPerft trend for perft(11). Only 19% remains,
>>so the project will probably be finnished tomorrow. Still I wish to welcome the
>>new participants of today and I hope they stick around to finnish perft(12), now
>>that we have the whole system running.
>>
>>To make life easier on the server and prepare it for the much larger problem
>>that it is to run all the perft(4) positions (200'000 positions instead of
>>8'902) I've upgraded the client to not update statistics each time a problem is
>>completed. When you want the latest statistics you push the "update" button.
>>
>>I also simplified the statistics calculation to use better and fewer SQL-querys.
>>This gave a speedup of about 30% for generating the stats. To give more users
>>possibility to participate I also set up a server at port 80, so in case you've
>>had troubles with your firewall try it again.
>>
>>I hope the transition tomorrow will be smooth and everything will continue as if
>>nothing happened. To really get going on perft(12) we would need even more
>>participants so if you know anybody with a spare computer give him or her the
>>link...
>>
>>Follow this link to become a participant:
>>http://www.albert.nu/programs/dperft
>>
>>Regards Albert
>
>You might try posting this to forums (or emailing someone) of distributed
>computing groups, as well as some of the hardware sites that have forums. I
>remember that someone posted a message to the forums at www.anandtech.com and
>they started a team for the Chess Brain project and got a whole lot of
>participation (they are currently ranked #3). Sometimes you can get someone who
>will run the thing on their top of the line machines at work during the night :)
>
>If you had some way of automatically updating a stats webpage on your site every
>so often (maybe once an hour or something), I bet you would get more
>participation. People are more willing to do something like this when they can
>see their progress (even if it's progress towards nothing important, like
>chess).

I'll browse around for suitable places to post on.
Thanx for the advice.

/Regards Albert



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