Yes, it looks like _ttconv.cpp is the culprit here. Sloppy reference handling (and I say that as the author of that file...) I've committed some changes to SVN that seem to remove the leaks with memleak_hawaii3.py and the PDF and PS backends.
Cheers, Mike Michael Droettboom wrote: > I'm just getting back from vacation and will add this to my TODO list. > I have some thoughts... > > Cheers, > Mike > > Eric Firing wrote: > >> John Hunter wrote: >> >> >>> On Sat, Jul 26, 2008 at 7:20 PM, Eric Firing <[EMAIL PROTECTED]> wrote: >>> >>> >>> >>>> The attached script gives a quick and simple illustration of the pdf >>>> backend >>>> memory leak noted earlier by Paul Kienzle. It seems to be entirely related >>>> to rendering text. Adding axes, lines, and images does not seem to matter, >>>> except insofar as adding an axes will trigger the rendering of text for the >>>> tick labels. The leak per loop is roughly proportional to the number of >>>> *different* characters being rendered--about 100 bytes per character. >>>> >>>> I don't think I could find the leak in any reasonable time; I hope someone >>>> else who is more familiar with the pdf backend and more clever at such >>>> things will be able to track it down ASAP. >>>> >>>> >>> In the past, if I recall correctly, these leaks have been in ttconv, >>> which is Michael's area of expertise, so let's see if he has any >>> flashes of insight Monday... If this is the case it would likely >>> affect ps and pdf but not the other backends. >>> >>> JDH >>> >>> >> The ps backend leak with this test is about 70 bytes/loop, and the same >> with either 20 or 10 characters, so it may have a different origin than >> the pdf leak; with no suptitle at all, the ps backend leak is 0. svg >> and agg are both 0 in this test (with suptitle included). >> >> Eric >> >> ------------------------------------------------------------------------- >> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge >> Build the coolest Linux based applications with Moblin SDK & win great prizes >> Grand prize is a trip for two to an Open Source event anywhere in the world >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> _______________________________________________ >> Matplotlib-devel mailing list >> Matplotlib-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel >> >> > > -- Michael Droettboom Science Software Branch Operations and Engineering Division Space Telescope Science Institute Operated by AURA for NASA ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
