#18987: Parallel computation for TilingSolver.number_of_solutions
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Reporter: | Owner:
slabbe | Status: new
Type: | Milestone: sage-6.9
enhancement | Resolution:
Priority: major | Merged in:
Component: | Reviewers:
combinatorics | Work issues:
Keywords: | Commit:
Authors: | 6fd4a8759641415b121b4a12aa6ecb711490b533
Report Upstream: N/A | Stopgaps:
Branch: |
u/slabbe/18987 |
Dependencies: |
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Description changed by slabbe:
Old description:
> The following computation takes a lot of time:
>
> {{{
> sage: from sage.games.quantumino import QuantuminoSolver
> sage: QuantuminoSolver(0).number_of_solutions() # long time (about 30
> days)
> }}}
>
> but we can make it faster by doing the computation in parallel... This
> ticket does this. It is motivated by a question I received from Nicolaas
> Neuwahl, the designer of the Quantumino puzzle:
>
> ''can you tell me HOW MANY different quantumino-solutions exist?''
>
> The
> [http://familygamesamerica.com/mainsite/consumers/productview.php?pro_id=274&search=quantumino
> official website] says ''there are over 10.000 potential solutions''.
New description:
The following computation takes a lot of time:
{{{
sage: from sage.games.quantumino import QuantuminoSolver
sage: QuantuminoSolver(0).number_of_solutions() # long time (about 30
days)
}}}
but we can make it faster by doing the computation in parallel... This
ticket does this.
It also simplify the computation by avoiding to compute 4 times the same
solution (obtained by rotation of angle pi of the 5x8x2 box).
--
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Ticket URL: <http://trac.sagemath.org/ticket/18987#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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