#18987: Parallel computation of number of solutions in dancing links
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Reporter: | Owner:
slabbe | Status: needs_work
Type: | Milestone: sage-6.9
enhancement | Resolution:
Priority: major | Merged in:
Component: | Reviewers: Vincent Delecroix
combinatorics | Work issues:
Keywords: | Commit:
Authors: | c01612691e55baf745fc710fc8c8dfc97b885375
Sébastien Labbé | Stopgaps:
Report Upstream: N/A |
Branch: |
public/18987 |
Dependencies: |
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Changes (by vdelecroix):
* status: needs_review => needs_work
Comment:
- `(solving) independant (cases)` -> `independent`
- I do not understand this comment
{{{
If possible, a good choice of column gives a partition
of solutions where each part has about the same number
of solutions.
}}}
- could you make a complete sentence for the `OUTPUT` section instead of
`dict, row number -> list of rows`
- this is not quite accurate
{{{
After the split each subproblem has the same number of columns and
rows and the same solutions as above::
}}}
it is the union of solutions of the subproblems that form the solution
of the initial one.
- I do not see the point of having `number_of_solutions_iterator` and
`number_of_solutions`. You should just get rid of the first one and allow
parallelization in the second.
- Why not also make available parallelization for getting the list of
solutions?
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Ticket URL: <http://trac.sagemath.org/ticket/18987#comment:65>
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