Hi,
I have noticed a memory leak when using pylab.pcolor. Here is the code,
fa() and fb() do the same thing. The difference is the size of the array
which is passed to pcolor. With a large array pcolor leaks but not with a
small one.
Cheers,
Ben


import numpy as np
import matplotlib
matplotlib.use('Agg')
from matplotlib import pylab
def fa():
    """ This function leaks.
    """
    a = np.arange(1024**2)
    a = a.reshape(1024,1024)
    for i in range(1):
        pylab.pcolor(a)
        pylab.close()
def fb():
    """This function does not leak.
    """
    b = np.arange(1024)
    b = b.reshape(32,32)
    for i in range(1024):
        pylab.pcolor(b)
        pylab.close()


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