#21109: Faster meet() for lattice
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Reporter: jmantysalo | Type: enhancement
Status: new | Priority: minor
Milestone: sage-7.3 | Component: combinatorics
Keywords: latticeposet | Merged in:
Authors: Jori Mäntysalo | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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This trivial patch will speed up computation of meet matrix in lattices.
Before:
{{{
sage: P = Posets.BooleanLattice(10)
sage: timeit("_ = P._hasse_diagram._meet", repeat=1, number=1)
1 loops, best of 1: 2.24 s per loop
}}}
After:
{{{
sage: P = Posets.BooleanLattice(10)
sage: timeit("_ = P._hasse_diagram._meet", repeat=1, number=1)
1 loops, best of 1: 917 ms per loop
}}}
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Ticket URL: <https://trac.sagemath.org/ticket/21109>
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