#5031: get doctesting of matrix/misc.pyx up to 100%; also make A.lift() 20 times
faster by moving a "gem"
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Reporter: was | Owner: was
Type: enhancement | Status: new
Priority: major | Milestone: sage-3.3
Component: linear algebra | Resolution:
Keywords: |
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Comment (by was):
Some timings
{{{
BEFORE:
sage: a = random_matrix(GF(19),500)
sage: time b = a.lift()
CPU times: user 0.93 s, sys: 0.02 s, total: 0.95 s
Wall time: 0.96 s
sage: a = random_matrix(GF(19),200,sparse=True)
sage: time b = a.lift()
CPU times: user 0.81 s, sys: 0.01 s, total: 0.82 s
Wall time: 0.82 s
AFTER:
sage: a = random_matrix(GF(19),500)
sage: time b = a.lift()
CPU times: user 0.02 s, sys: 0.01 s, total: 0.04 s
Wall time: 0.04 s
sage: a = random_matrix(GF(19),200,sparse=True)
sage: time b = a.lift()
CPU times: user 0.04 s, sys: 0.00 s, total: 0.04 s
Wall time: 0.04 s
sage: 0.82/0.04
20.5000000000000
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5031#comment:1>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
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