#8905: Memory leak in echelon over QQ
-------------------------------------+-------------------------------------
Reporter: SimonKing | Owner: tbd
Type: defect | Status: needs_review
Priority: major | Milestone: sage-
Component: memleak | duplicate/invalid/wontfix
Keywords: memleak | Resolution:
echelonize | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
-------------------------------------+-------------------------------------
Changes (by mmezzarobba):
* status: new => needs_review
* milestone: sage-6.4 => sage-duplicate/invalid/wontfix
Comment:
Seems to be fixed indeed.
{{{
┌────────────────────────────────────────────────────────────────────┐
│ SageMath Version 6.6.rc2, Release Date: 2015-04-02 │
[...]
sage: MS = MatrixSpace(QQ,8)
sage: M = MS.random_element()
sage: N = copy(M)
sage: N.echelonize()
sage: N==M
False
sage: mem = get_memory_usage()
sage: n = 0
sage: while(1):
....: n+=1
....: if get_memory_usage()>mem:
....: mem = get_memory_usage()
....: print mem,n
....: N = copy(M)
....: N.echelonize()
....:
1006.625 2302
1006.875 19154
1007.0078125 27590
1007.2578125 36321
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/8905#comment:9>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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