Author: Albert Bertilsson
Date: 11:42:50 12/11/03
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On December 11, 2003 at 14:37:16, Michael Yee wrote: >On December 11, 2003 at 09:16:15, Albert Bertilsson wrote: > >>On December 11, 2003 at 09:00:43, Michael Yee wrote: >> >>>On December 11, 2003 at 08:29:22, Albert Bertilsson wrote: >>> >>>>On December 11, 2003 at 08:19:02, Michael Yee wrote: >>>> >>>>>On December 11, 2003 at 08:11:22, Albert Bertilsson wrote: >>>>> >>>>>>On December 11, 2003 at 07:56:40, Jaime Benito de Valle Ruiz wrote: >>>>>> >>>>>>>On December 11, 2003 at 07:08:30, Albert Bertilsson wrote: >>>>>>> >>>>>>>>Hi! >>>>>>>> >>>>>>>>If you have any wasted cpu-resources join my distributed perft project to >>>>>>>>calculate perft(11). Any contribution large or small is welcome. >>>>>>>> >>>>>>>>The project is currently under testing to see how many will join (I'll not do it >>>>>>>>myself) and to make sure that the server is working ok on the internet, I've >>>>>>>>just tested it on LAN before. >>>>>>>> >>>>>>>>You need .Net framework from Microsoft to participate. >>>>>>>> >>>>>>>>Home page: >>>>>>>>http://www.albert.nu/programs/dperft >>>>>>>> >>>>>>>>/Regards Albert >>>>>>> >>>>>>> >>>>>>>Hi, >>>>>>> >>>>>>> I'm also curious about this "waste of time" as well, and I often leave my >>>>>>>computer downloading overnight, so I guess I wouldn't mind giving you some >>>>>>>figures. >>>>>>> I'm not that happy about running this "DistributedPerftClient.zip" in my >>>>>>>computer, though. >>>>>>> The ratio logarithm of depth to time is roughly linear, at least up to depth 8, >>>>>>>so if you give me a FEN position, and a reasonable depth to calculate , I could >>>>>>>come back to you with a figure in about 24 hours. >>>>>>> I estimate that I need at least 2 hours for a perft 8... and maybe much more as >>>>>>>the game develops (a perft 9 wouldn't let me use my computer for days). I have >>>>>>>an Athlon 1800+, and I use Movei because it is quite fast for perfts. If you >>>>>>>know a faster one, let me know, because otherwise the "four" computers that you >>>>>>>have used for your figure are about 4 or 5 times faster than mine!!! >>>>>>> Regards, >>>>>>> >>>>>>> Jaime >>>>>> >>>>>>Although it would be possible for me to enter node counts into the database >>>>>>manually it would make the work much more tiresome. There are 8902 perft(8) in >>>>>>one perft(11) makeing manual updates not to mention setting the fen and sending >>>>>>the answer by mail quite a work. >>>>>> >>>>>>What the distribute perft client does is to recieve fen's from the server, >>>>>>calculate the nodes and send back the answer, and then get next problem. If you >>>>>>don't trust me writing a good program or doing nasty stuff I can garantee you >>>>>>that I've meant to do no such thing. If you don't want to use .Net or don't use >>>>>>windows at all you can't help me. And I can't help you because it would be to >>>>>>much work to make software for all platforms, I used .Net because it was the >>>>>>easiest for me to program. >>>>>> >>>>>>/Regards Albert >>>>> >>>>>Hi Albert, >>>>> >>>>>Have you tried Mono (www.go-mono.com) or DotGNU's pnet (www.dotgnu.org)? >>>>>Depending on how much networking stuff they have implemented, they might enable >>>>>your client to run on linux or other OSes. >>>>> >>>>>Also, I wonder if your SharpChess (and future .NET chess GUI) can run without >>>>>modifications... Then you can claim/advertise that they work under linux too. >>>>> >>>>>Michael >>>> >>>>I knew it existed but I don't know anything more about it (how far they have >>>>implemented stuff). I hope to get some time this christmas to play with linux >>>>and try Mono. I guess that #Chess could work because it is very simple and uses >>>>only some simple file I/O. I don't know about the distributed perft client >>>>because it uses .Net Remoting but if you have Mono I'd be happy to know if it >>>>works, or if it could with some minor modification. >>>> >>>>/Regards Albert >>> >>> >>>I'll give it a try later today. According to Mono's status pages, >>>System.Runtime.Remoting seems about 100% complete, so the prospects look good. >>> >>>Michael >> >>If Mono has got that far I'd be very impressed, I'd better have a look at it >>soon. Maybe soon I'll be teaching C# on Mono soon :) >> >>/Regards Albert > >Hi Albert, > >I guess Mono hasn't gotten that far yet! In my initial tests, I couldn't run the >client on linux (or windows) with mono. Part of the reason seems to be some >unfinished Windows.Forms stuff. > >However, SharpChess 0.06 "almost" runs with mono under linux. I can at least run >perft, but "go" causes an exception. In case you're curious, here's a small >comparison: > >Athlon 1.2GHz, Windows XP, Microsoft .NET > >perft 4 --> 0.25s >perft 5 --> 6.06s > >Athlon 1.2GHz, Linux (RH9), Mono 0.29 > >perft 4 --> 0.54s >perft 5 --> 13.02s > >Michael Nice to hear that #Chess is on the way, I can understand that the Forms stuff is going to take some time. The performance is nice to considering the early stage of the project, I guess it's quite some time until they start optimizing code instead of writing new. Thanx for the test. /Regards Albert
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