#18987: Parallel computation for TilingSolver.number_of_solutions
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Reporter: | Owner:
slabbe | Status: needs_review
Type: | Milestone: sage-6.9
enhancement | Resolution:
Priority: major | Merged in:
Component: | Reviewers: Vincent Delecroix
combinatorics | Work issues:
Keywords: | Commit:
Authors: | 0d68ecec28cb92d9e78a92d6e733d42b3e8941c1
Sébastien Labbé | Stopgaps:
Report Upstream: N/A |
Branch: |
public/18987 |
Dependencies: |
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Comment (by vdelecroix):
Yes for the timing. But this does '''not''' implies that something is
cached. Actually, the reason is because gap is launched (I do not know
why)
{{{
sage: S = SymmetricGroup(4)
sage: time gap(3)
CPU times: user 16 ms, sys: 12 ms, total: 28 ms
Wall time: 295 ms
3
sage: from itertools import product
sage: M = [diagonal_matrix(p) for p in product([1,-1], repeat=4)]
sage: time S = [m*s.matrix() for m in M for s in SymmetricGroup(4)]
CPU times: user 56 ms, sys: 0 ns, total: 56 ms
Wall time: 56.9 ms
sage: time S = [m*s.matrix() for m in M for s in SymmetricGroup(4)]
CPU times: user 56 ms, sys: 0 ns, total: 56 ms
Wall time: 53 ms
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/18987#comment:51>
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