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Add a new memleak script that does everything #5360

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Merged
merged 5 commits into from
Nov 5, 2015
Merged

Add a new memleak script that does everything #5360

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05c347f
Add a new memleak script that does everything
mdboom Oct 30, 2015
6572456
Fix average increase calculation by tracking peaks
mdboom Nov 2, 2015
7444a98
Better message if running on Python < 3.5
mdboom Nov 2, 2015
457fd94
Fix units as reported by report_memory
mdboom Nov 2, 2015
b59627b
Use psutil instead of our home-grown utilities
mdboom Nov 2, 2015
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Fix average increase calculation by tracking peaks
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@mdboom
mdboom committed Nov 2, 2015
commit 6572456e58503c3048fbdddf18f30163025d6154
7 changes: 6 additions & 1 deletion unit/memleak.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,8 +18,10 @@ def run_memleak_test(bench, iterations, report):

malloc_arr = np.empty((endi,), dtype=np.int64)
rss_arr = np.empty((endi,), dtype=np.int64)
rss_peaks = np.empty((endi,), dtype=np.int64)
nobjs_arr = np.empty((endi,), dtype=np.int64)
garbage_arr = np.empty((endi,), dtype=np.int64)
rss_peak = 0

for i in range(endi):
bench()
Expand All @@ -34,11 +36,14 @@ def run_memleak_test(bench, iterations, report):

malloc_arr[i] = malloc
rss_arr[i] = rss
if rss > rss_peak:
rss_peak = rss
rss_peaks[i] = rss_peak
nobjs_arr[i] = nobjs
garbage_arr[i] = garbage

print('Average memory consumed per loop: %1.4f bytes\n' %
(np.sum(rss_arr[starti+1:] - rss_arr[starti:-1]) / float(endi - starti)))
(np.sum(rss_peaks[starti+1:] - rss_peaks[starti:-1]) / float(endi - starti)))

from matplotlib import pyplot as plt
fig, (ax1, ax2) = plt.subplots(2)
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