#10558 closed defect (invalid)
ModularSymbols got much slower since sage 4.3
Reported by: | mderickx | Owned by: | craigcitro |
---|---|---|---|
Priority: | major | Milestone: | sage-duplicate/invalid/wontfix |
Component: | modular forms | Keywords: | |
Cc: | Merged in: | ||
Authors: | Reviewers: | Maarten Derickx | |
Report Upstream: | N/A | Work issues: | |
Branch: | Commit: | ||
Dependencies: | Stopgaps: |
Description
These tests were both performed in about the same moment on sage.math
---------------------------------------------------------------------- | Sage Version 4.3, Release Date: 2009-12-24 | | Type notebook() for the GUI, and license() for information. | ---------------------------------------------------------------------- sage: time ModularSymbols(Gamma1(47),sign=1) CPU times: user 0.81 s, sys: 0.14 s, total: 0.95 s Wall time: 0.95 s Modular Symbols space of dimension 115 for Gamma_1(47) of weight 2 with sign 1 and over Rational Field sage: time ModularSymbols(Gamma1(97),sign=1) CPU times: user 8.59 s, sys: 3.32 s, total: 11.91 s Wall time: 11.91 s Modular Symbols space of dimension 440 for Gamma_1(97) of weight 2 with sign 1 and over Rational Field sage: time ModularSymbols(Gamma1(next_prime(150)),sign=1) CPU times: user 46.75 s, sys: 19.66 s, total: 66.41 s Wall time: 66.41 s Modular Symbols space of dimension 1025 for Gamma_1(151) of weight 2 with sign 1 and over Rational Field sage:
---------------------------------------------------------------------- | Sage Version 4.6, Release Date: 2010-10-30 | | Type notebook() for the GUI, and license() for information. | ---------------------------------------------------------------------- sage: time ModularSymbols(Gamma1(47),sign=1) CPU times: user 2.57 s, sys: 0.00 s, total: 2.57 s Wall time: 2.61 s Modular Symbols space of dimension 115 for Gamma_1(47) of weight 2 with sign 1 and over Rational Field sage: time ModularSymbols(Gamma1(97),sign=1) CPU times: user 39.48 s, sys: 0.02 s, total: 39.50 s Wall time: 39.50 s Modular Symbols space of dimension 440 for Gamma_1(97) of weight 2 with sign 1 and over Rational Field sage: time ModularSymbols(Gamma1(next_prime(150)),sign=1) CPU times: user 228.80 s, sys: 0.09 s, total: 228.89 s Wall time: 228.89 s Modular Symbols space of dimension 1025 for Gamma_1(151) of weight 2 with sign 1 and over Rational Field sage:
Attachments (2)
Change History (5)
Changed 11 years ago by
comment:1 Changed 11 years ago by
- Status changed from new to needs_review
It got slower by the bugfix in ticket #8612. The slower code is actually needed to garantee the correct result. This ticket should be closed.
comment:2 Changed 11 years ago by
- Resolution set to invalid
- Reviewers set to Maarten Derickx
- Status changed from needs_review to closed
comment:3 Changed 11 years ago by
- Milestone changed from sage-4.6.2 to sage-duplicate/invalid/wontfix
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