[EMAIL PROTECTED] wrote:
>-----Original Message-----
>From: [EMAIL PROTECTED]
>To: computer-go@computer-go.org
>Sent: Mon, 16 Apr 2007 5:26 AM
>Subject: Re: [computer-go] The dominance of search (Suzie v. GnuGo)

>[EMAIL PROTECTED] <javascript:parent.ComposeTo("dhillismail%40netscape.net", "");> wrote: >> I also find this kind of information very interesting and useful. Now > I have a better feel for what kind of scaling is realistic to try >for > and how to measure it. >> > Putting some recent data points together, it look like giving Mogo 2 > orders of magnitude more computer power would result >in low dan level > 19x19 play? Not the sort of thing one can pull out of a back pocket, > but tantalizing. >> > I would be very interested to see equivalent scaling numbers from > CrazyStone, if Remi would be so kind. >> > - Dave Hillis >Hi, > >Here is some data, each result measured over about 200 games, on a single CPU (AMD Opteron 2.2 GHz): >9x9, 2 minutes per game, GNU Go level 10: 87.0% >13x13, 16 minutes per game, GNU Go level 10: 72.4% >19x19, 32 minutes per game, GNU Go level 0: 53.6% >19x19, 32 minutes per game, GNU Go level 8: 28.1% >19x19, 64 minutes per game, GNU Go level 8: 35.4% > >(GNU Go version 3.6) > >Rémi Thanks! These are interesting. I assume that the number of playouts per move was variable. If it was a fixed number, or easily characterized, it would be a helpful statistic too. - Dave Hillis
Yes, it was variable. On that machine, Crazy Stone does about 15,000 playouts/second on 9x9 with UCT. BTW, CrazyStone-Fast on CGOS is 5k simulations, and CrazyStone-Slower is 20k.

Rémi
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