#4631: possible memory leak in matrix code?
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Reporter: craigcitro | Owner: mabshoff
Type: defect | Status: new
Priority: major | Milestone: sage-3.2.2
Component: memleak | Resolution:
Keywords: |
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Changes (by mabshoff):
* cc: robertwb (added)
Comment:
Note that the latest upstream Cython 0.10.3 (merged in Sage 3.2.2.rc0 via
#4798) improves things considerably:
{{{
----------------------------------------------------------------------
| Sage Version 3.2.2.alpha2, Release Date: 2008-12-13 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: M = random_matrix(ZZ,50,50)
sage: get_memory_usage()
416.19921875
sage: for _ in range(100): foo = M.hermite_form()
....:
sage: del foo
sage: get_memory_usage()
423.74609375
sage: for _ in range(100): foo = M.hermite_form()
....:
sage: get_memory_usage()
424.73828125
sage: for _ in range(100): foo = M.hermite_form()
....:
sage: get_memory_usage()
425.703125
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4631#comment:3>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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