Hi, I don't know exactly when it begins to do bad moves. However, I know that after several hours, the estimated winning rate converges to 1 or 0, with crazy principal variations, and the cause is low resolution of single floats. In this study, it should no be a big factor of unscalability given the number of simulations.
Sylvain 2008/1/29, terry mcintyre <[EMAIL PROTECTED]>: > > Sylvain, in the download notes, you mention that Mogo has some troubles > with "very long" timescales, due to the low resolution of single floats. Do > you have any estimate of how many simulations would lead to this situation? > > > > Terry McIntyre <[EMAIL PROTECTED]> > ----- Original Message ---- > From: Sylvain Gelly <[EMAIL PROTECTED]> > To: computer-go <computer-go@computer-go.org> > Sent: Tuesday, January 29, 2008 10:36:38 AM > Subject: Re: [computer-go] 19x19 Study > > but not linearly and you can see a nice gradual curve in the plot. > > > > Now we have something we can argue about for weeks. Why is it not > > mostly linear? Could it be the memory issue I just mentioned? > > > > Hi Don and all participants to that study, that is very interesting! > > The memory constrains are certainly a valid hypothesis, especially the > default settings of the release are rather conservative on that side, > because it seemed better to have a weaker player than begin to make the > player's machine swapping... Those settings are rather fitting your memory > constrains as well, so it is fine. > > Reading your email and looking at the curve, I wonder if one possible > explanation could be an artifact on how the ratings are computed? My > question is: what curve would we see for that study if the involved players > were exactly linearly scalable? That seems silly, but I wondered if there > were an underestimating of higher levels, because of the way the bayeselo > works. I am also looking at the curve after the 5-6th level (~gnugo), as > behavior may be different for very low levels. > > I don't know if my hypothesis makes sense. > Sylvain > > > ------------------------------ > Never miss a thing. Make Yahoo your > homepage.<http://us.rd.yahoo.com/evt=51438/*http://www.yahoo.com/r/hs> >
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