#8614: Optimize creation of modular symbols spaces by speeding up quotienting
out
by 2-term relations
-----------------------------+----------------------------------------------
Reporter: was | Owner: craigcitro
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-4.6.2
Component: modular forms | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
-----------------------------+----------------------------------------------
Comment(by AlexGhitza):
It appears to be significantly better for high weights:
On sage-4.6.1, before the patch:
{{{
sage: time M = ModularSymbols(1, 810, 0, GF(809))
CPU times: user 51.57 s, sys: 0.45 s, total: 52.02 s
Wall time: 52.03 s
}}}
After the patch:
{{{
sage: time M = ModularSymbols(1, 810, 0, GF(809))
CPU times: user 16.40 s, sys: 0.17 s, total: 16.57 s
Wall time: 16.58 s
}}}
This makes me *very* happy.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8614#comment:6>
Sage <http://www.sagemath.org>
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