Thanks for finding this.
This should be fixed in r4881. It was a simple reference counting bug.
Please let me know if you still see leaks.
Cheers,
Mike
Eric Firing wrote:
> Rob Hetland wrote:
>> I am using the new transforms version of MPL (the svn trunk), and
>> found a memory leak in pcolor and pcolormesh. Be warned, I just
>> reported a memory leak in the scikits delaunay package that Robert
>> Kern was not able to reproduce, so it might be nice if someone could
>> check this out. I am on Mac OS X, 10.4 using the latest svn versions
>> of numpy and mpl. Here is the code that shows the leak:
>>
>
> I have confirmed this on linux.
>
> Eric
>
>> from pylab import figure, close, ioff, savefig
>> from numpy.random import rand
>>
>>
>> ioff()
>>
>> for n in range(1000):
>> fig = figure()
>> ax = fig.add_subplot(111)
>> data = rand(1000, 1000)
>> ax.pcolormesh(data)
>> savefig('foo.png')
>> close(fig)
>> print n
>>
>>
>>
>> I get over a gig in real and virtual memory (over 2 gig total) by
>> n=30. I tried both pcolor and pcolormesh, as well as deleting
>> various objects, clearing the axis, etc.
>>
>> -Rob
>>
>> ----
>> Rob Hetland, Associate Professor
>> Dept. of Oceanography, Texas A&M University
>> http://pong.tamu.edu/~rob
>> phone: 979-458-0096, fax: 979-845-6331
>>
>>
>>
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--
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA
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