#4639: bad memory leak with exponentiation
------------------------------+---------------------------------------------
Reporter: bober | Owner: somebody
Type: defect | Status: new
Priority: blocker | Milestone: sage-3.2.2
Component: basic arithmetic | Resolution:
Keywords: |
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Comment (by mabshoff):
The new Cython.spkg reduces the leak significantly:
Without:
{{{
sage: get_memory_usage()
417.98828125
sage: for z in xrange(10000):
....: a = 3.0^CC.0
....:
sage: get_memory_usage()
509.26171875
}}}
With:
{{{
sage: get_memory_usage()
416.19140625
sage:
sage: for z in xrange(10000):
....: a = 3.0^CC.0
....:
sage: get_memory_usage()
437.97265625
}}}
But unfortunately it doesn't fix it completely:
{{{
sage: get_memory_usage()
416.19140625
sage:
sage: for z in xrange(10000):
....: a = 3.0^CC.0
....:
sage: get_memory_usage()
437.97265625
sage: for z in xrange(10000):
a = 3.0^CC.0
....:
sage: get_memory_usage()
459.99609375
}}}
Consequently I will split the Cython.spkg from this ticket.
Cheers,
Michael
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4639#comment:23>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
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