#5537: [with patch, needs review] bug in __cmp__ in permgroup_element.pyx
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Reporter: jhpalmieri | Owner: robertwb
Type: defect | Status: new
Priority: major | Milestone: sage-3.4.2
Component: group_theory | Keywords:
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Comment(by robertwb):
{{{
sage: a = SymmetricGroup(20).random_element(); b =
SymmetricGroup(10).random_element()
sage: time v = [a == b for _ in xrange(2000)]
CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s
Wall time: 0.00 s
sage: timeit("a==b")
625 loops, best of 3: 240 ns per loop
}}}
vs. the old code
{{{
sage: a = SymmetricGroup(20).random_element(); b =
SymmetricGroup(10).random_element()
sage: timeit("a==b")
625 loops, best of 3: 3.19 µs per loop
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5537#comment:5>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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