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RE: [Bug-gnubg] tty version rollouts, equity & RNG seed
From: |
Albert Silver |
Subject: |
RE: [Bug-gnubg] tty version rollouts, equity & RNG seed |
Date: |
Mon, 13 Jan 2003 12:56:36 -0200 |
> -----Original Message-----
> From: address@hidden [mailto:bug-gnubg-
> address@hidden On Behalf Of Gary Wong
> Sent: Monday, January 13, 2003 11:54 AM
> To: address@hidden
> Subject: Re: [Bug-gnubg] tty version rollouts, equity & RNG seed
>
> On Mon, Jan 13, 2003 at 02:15:28PM +0100, Morten Wang wrote:
> > I'm confused by the numbers output when running gnubg with the '-t'
> > option. What exactly are the numbers supposed to be. The heading
is:
> >
> > Win W(g) W(bg) L(g) L(bg) Equity Cube E n
> >
Note that there is still no column "Loss" for the losses.
Albert
> > I thought "Cube E" would be the cubeful equity, like it is on the
gtk
> > version, but instead the number seems to be something completely
> > different:
>
> Yes, Cube E is supposed to be cubeful equity.
>
> > Then, when I do a hint after the rollout, the shown equity is way
off:
> >
> > 3. Rollout 8/5 8/2 Eq.: +1.605 (
+1.819)
> > 0.391 0.067 0.002 - 0.609 0.082 0.002 CL -0.234 CF -0.395
> > [0.001 0.001 0.000 - 0.001 0.001 0.000 CL 0.003 CF +0.006]
> > Full cubeful rollout with var.redn.
> > 2592 games, seed 692318375 using quasi-random dice and Mersenne
> Twister
> > Play and cube: 2-ply cubeful 100% speed [world class]
> >
> > The -0.395 value should be correct. +1.605 is easily +2.000-0.395
> > (the cube's turned in the game), but why that value?
>
> No idea, something looks buggy...
>
> > I'm also confused by the reported seed used. The commands file I
used
> > had "set seed 1652552448" (which was the seed used when I ran the
> > rollout with 1ply in the gtk version). Is there an overflow here?
>
> Rollouts use their own seed -- "set rollout seed <n>" is the command
you
> need for that one.
>
> > I'm not sure where to look for version info. The last entry in the
> > Changelog is Sat 2003-01-11 11:29. The code I have was checked out
> > from CVS a half hour later my time (noon CET).
>
> Hmmm, this might explain part of the problem... the new cubeful
evaluation
> cache gave incorrect cubeful equities in some circumstances.
Hopefully
> this has been fixed since 2003-01-12.
>
> Cheers,
> Gary.
> --
> Gary Wong address@hidden
> http://www.cs.arizona.edu/~gary/
>
>
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- [Bug-gnubg] tty version rollouts, equity & RNG seed, Morten Wang, 2003/01/13
- Re: [Bug-gnubg] tty version rollouts, equity & RNG seed, Gary Wong, 2003/01/13
- RE: [Bug-gnubg] tty version rollouts, equity & RNG seed,
Albert Silver <=
- Re: [Bug-gnubg] tty version rollouts, equity & RNG seed, Gary Wong, 2003/01/13
- RE: [Bug-gnubg] tty version rollouts, equity & RNG seed, Albert Silver, 2003/01/13
- Re: [Bug-gnubg] tty version rollouts, equity & RNG seed, Gary Wong, 2003/01/13
- Re: [Bug-gnubg] tty version rollouts, equity & RNG seed, Morten Wang, 2003/01/13
- RE: [Bug-gnubg] tty version rollouts, equity & RNG seed, Albert Silver, 2003/01/13