[RC5] "sexy" projects

Martin format at mindless.com
Mon Mar 2 15:19:46 EST 1998


I 16 bit choose.dat would take approximately 15,000 seconds
(about 4 hours on a P200, but don't take my word for it)

Frank Rival wrote:

> Jason Bechtel wrote:
> >
> > Kalle Tuulos wrote:
> > > There is one big "con" in existing OGR clients. They demand a
> > > huge choose.dat file. I'm using a 20 bit/map variant sized
> > > 11.5 megs. One can either download existing choose.dat file
> > > from OGR pages or create such himself - I think if we would go
> > > in OGR project, the choose.dat creation code should be
> > > inserted into client.
> >
> >    I was unaware of this.  Thank you for pointing it out.  This would
> > certainly rule out running the client from a standard floppy!
> > Fortunately, computers that will not be able to accommodate the
> > choose.dat file (it is necessary, isn't it?) can still work on RC5,
> > DES II-2 and other projects as they come along.  This should only be a
> > problem for a very small number of participants.
>
>         It is possible to use a choose.dat file that is only 0.7 Meg (the 16
> bit version).  We could probably have the memory usage as part of the
> initial configuration option, defaulted to the smallest available.  The
> only problem with generating the choose.dat file is that it (according
> to the page) could take from hours to days depending on how many bits
> you are using.  This would probably be a great problem to tackle with
> the distributed filesystem of v3.  But...that doesn't help the problem
> right now.  Hmmm...time to get to the drawing board...
>
>  - Pete
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