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executable file 54 lines (35 sloc) 1.104 kb
#!/usr/bin/env python
from __future__ import print_function
import os, sys, time, gc
import matplotlib
matplotlib.use('PDF')
from matplotlib.cbook import report_memory
import numpy as np
from pylab import figure, show, close
# take a memory snapshot on indStart and compare it with indEnd
rand = np.random.rand
indStart, indEnd = 200, 401
for i in range(indEnd):
fig = figure(1)
fig.clf()
t1 = np.arange(0.0, 2.0, 0.01)
y1 = np.sin(2*np.pi*t1)
y2 = rand(len(t1))
X = rand(50,50)
ax = fig.add_subplot(221)
ax.plot(t1, y1, '-')
ax.plot(t1, y2, 's')
ax = fig.add_subplot(222)
ax.imshow(X)
ax = fig.add_subplot(223)
ax.scatter(rand(50), rand(50), s=100*rand(50), c=rand(50))
ax = fig.add_subplot(224)
ax.pcolor(10*rand(50,50))
fig.savefig('tmp%d' % i, dpi = 75)
close(1)
gc.collect()
val = report_memory(i)
print(i, val)
if i==indStart: start = val # wait a few cycles for memory usage to stabilize
end = val
print('Average memory consumed per loop: %1.4fk bytes\n' % ((end-start)/float(indEnd-indStart)))
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