Andres
Michael Droettboom wrote:
Are you able to run it inside of valgrind's massif tool? Calling out to ps can be a bit spurious (particularly with a memory-pooling Python build) especially for a leak this small.Mike Andres Luhamaa wrote:Michael Droettboom wrote:I am not able to reproduce this leak here with 0.98.6svn from today on RHEL4. What platform are you on?Well, in my setup I see similar behaviour as in the initial question. Ubuntu 8.10 32bit, 2-days old svn verion of matplotlib.(See attached massif profile -- the memory usage is flat...) MikeAndresJesper Larsen wrote:------------------------------------------------------------------------Hi matplotlib developers and users, I have had some problems with a memory leak in a long running matplotlib based web application that I have developed (www.worldwildweather.com). I believe the problem is due to a memory leak in the Agg backend but I am not sure. Below is a script which for me results in a consistently increasing amount of memory usage. I am using mpl version 0.98.6svn. The problem does not occur when the savefig command is commented out. And it does not occur when "cs = ax.contourf(z)" and "ax.cla()" are moved outside the loop (before and after respectively). Best regards, Jesper import os, gc import numpy as npy import matplotlib as mpl from matplotlib.figure import Figurefrom matplotlib.backends.backend_agg import FigureCanvasAgg as FigureCanvasdef report_memory(): """Report memory.""" gc.collect() pid = os.getpid() a2 = os.popen('ps -p %d -o rss,vsz,%%mem' % pid).readlines() return int(a2[1].split()[1]) fig = Figure(dpi=100) ax = fig.add_axes([0.1, 0.1, 0.8, 0.8]) FigureCanvas(fig) n = 1000 z = npy.zeros((n,n)) for i in range(2000): cs = ax.contourf(z) fig.savefig('test.png') ax.cla() print report_memory(), iI have not pasted in all of the output but just the first and last 25 lines:53356 0 53360 1 53360 2 53360 3 53360 4 53360 5 53360 6 53360 7 53360 8 53360 9 53360 10 53360 11 53360 12 53360 13 53360 14 53360 15 53360 16 53360 17 53356 18 53360 19 53360 20 53360 21 53360 22 53360 23 53356 24 ... 57552 1975 57552 1976 57552 1977 57552 1978 57552 1979 57552 1980 57552 1981 57552 1982 57552 1983 57552 1984 57552 1985 57552 1986 57552 1987 57552 1988 57552 1989 57552 1990 57552 1991 57552 1992 57552 1993 57552 1994 57552 1995 57552 1996 57552 1997 57552 1998 57552 1999------------------------------------------------------------------------------This SF.net email is sponsored by: High Quality Requirements in a Collaborative Environment. Download a free trial of Rational Requirements Composer Now! http://p.sf.net/sfu/www-ibm-com _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users------------------------------------------------------------------------------This SF.net email is sponsored by: High Quality Requirements in a Collaborative Environment. Download a free trial of Rational Requirements Composer Now! http://p.sf.net/sfu/www-ibm-com------------------------------------------------------------------------_______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users------------------------------------------------------------------------------ Stay on top of everything new and different, both inside and around Java (TM) technology - register by April 22, and save$200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco.300 plus technical and hands-on sessions. Register today. Use priority code J9JMT32. http://p.sf.net/sfu/p_______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
massif.out.25331.gz
Description: GNU Zip compressed data
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