#715: Parents probably not reclaimed due to too much caching
------------------------+---------------------------------------------------
Reporter: robertwb | Owner: somebody
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.8
Component: coercion | Keywords: weak cache coercion
Work_issues: | Upstream: N/A
Reviewer: | Author: Simon King
Merged: | Dependencies: #9138, #11900
------------------------+---------------------------------------------------
Comment(by jpflori):
Testing sage.schemes with only one core gave me:
* 1526.0 sec on vanilla
* 1538.8 sec on vanilla +
[http://trac.sagemath.org/sage_trac/search/opensearch?q=ticket%3A715 #715]
This is more than acceptable according to me (if it does reflect
anything... it might only be random stuff).
Running five tests of sage.schemes.elliptic_curves.padic_lseries gave me:
* 51.0, 48.7, 47.0, 47.0, 47.1 on vanilla
* 49.0, 47.2, 48.4, 47.4, 47.7 on vanilla +
[http://trac.sagemath.org/sage_trac/search/opensearch?q=ticket%3A715 #715]
Still surprising that I don't find any slow-down as you did, but I might
also be good news :)
My next step is to check for the memory leaks (same j invariant, different
j invariants, finite field example of Paul in
[http://trac.sagemath.org/sage_trac/search/opensearch?q=ticket%3A11521
#11521] ? or do that last one need a patch for the
[http://trac.sagemath.org/sage_trac/search/opensearch?q=wiki%3AHomSet
HomSet] cache ? if this is the case it won't prevent this ticket to be
closed, but should be treated in
[http://trac.sagemath.org/sage_trac/search/opensearch?q=ticket%3A11521
#11521], otherwise
[http://trac.sagemath.org/sage_trac/search/opensearch?q=ticket%3A11521
#11521] can be closed as duplicate) and that action do not get
continuously deleted.
Afterward, I'll properly review your code and examples (that I've already
seen many times obviously :)).
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/715#comment:102>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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