#11900: Serious regression caused by #9138
---------------------------+------------------------------------------------
Reporter: SimonKing | Owner: tbd
Type: defect | Status: needs_review
Priority: blocker | Milestone: sage-4.7.2
Component: performance | Keywords: categories regression
Work_issues: | Upstream: N/A
Reviewer: | Author: Simon King
Merged: | Dependencies: #9138
---------------------------+------------------------------------------------
Comment(by SimonKing):
With sage-4.7.2.alpha2 plus #9138 plus #11734 (which is a blocker for
4.7.2 merged in alpha3) and the latest patch, I get
{{{
sage: %time D = J0(46).endomorphism_ring().discriminant()
CPU times: user 5.52 s, sys: 0.19 s, total: 5.72 s
Wall time: 5.74 s
sage: %time TestSuite(CrystalOfTableaux(['B',4],shape=[2,1,1,0])).run()
CPU times: user 7.05 s, sys: 0.02 s, total: 7.06 s
Wall time: 7.28 s
sage: W.<z> = CyclotomicField(13)
sage: %time M = Matrix(W, 2, 3, [10^30*(1-z)^13, 1, 2, 3, 4,
z]).echelon_form()
CPU times: user 3.70 s, sys: 0.01 s, total: 3.71 s
Wall time: 3.73 s
sage: %time L = EllipticCurve('960d1').prove_BSD()
CPU times: user 6.26 s, sys: 0.04 s, total: 6.30 s
Wall time: 6.31 s
sage: def test(E):
....: for p in prime_range(10000):
....: if p != 389:
....: G = E.change_ring(GF(p)).abelian_group()
....:
sage: E = EllipticCurve('389a')
sage: %time test(E)
CPU times: user 18.45 s, sys: 0.06 s, total: 18.51 s
Wall time: 18.56 s
sage: %time for E in cremona_curves([11..100]): S =
E.integral_points(both_signs=False)
CPU times: user 12.54 s, sys: 0.02 s, total: 12.56 s
Wall time: 12.63 s
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11900#comment:17>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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