Re: [Bug-gnubg] Re: Race database and bearoff DB

[Jim Segrave]

On Tue 01 Oct 2002 (12:06 +0000), Joern Thyssen wrote:
> On Tue, Oct 01, 2002 at 11:38:19AM +0200, Jim Segrave wrote
> > > Maybe it's possible to make another OS bear-off DB that goes even
> > > further if we restrict it to, say, 10 chequers per point. 
> > > 
> > > These one-sided bear-off databases can very easily be combined with the
> > > OSR code giving fast and reliable evaluations. Joseph also has an
> > > algorithm for converting OSR evaluations to cubeful equities.
> > > 
> > > I'll see if I can get it to work.
> > > 
> > > Unfortunately people would have to generate their own databases since I
> > > don't think we have the necesary band-width/web-space for such files.
> > > Alternatively, we could sell them on CDs from gnubg.org :-)
> > 
> > The advantages of working for an ISP:
> > 
> > I can easily arrange hosting of something like a 300Mb database on my
> > employer's public ftp server - ftp.demon.nl. If bandwidth is an issue
> > for other things, I can also probably hosting of the source and
> > Windows builds as well. Policy would prevent us giving accounts for
> > maintaining sites to non-employees, but I could either do mirroring or
> > scripted copying (scp/sftp preferred).  We are very well connected,
> > particularly for the Netherlands, UK and US.
> 
> Sounds fine with me. Maybe we'll be able to put it on alpha.gnu.org or
> ftp.gnu.org as well.
> 
> I'll play on, and make the extended OS DB work. The makebearoff program
> may have to be optimised as it requires 229 MB of memory to run... :-)
> But for now, I'll ignore that :-)
> 
> > Is there any idea how many gnubg users there really are? 
> 
> I don't know. I would say more than 100 and less than 1000. Any better
> estimates out there?

At those sorts of numbers, we'd never notice the bandwidth if people
were downloading a rolloff db.

-- 
Jim Segrave           address@hidden