On Jan 16, 10:51 pm, Nathan <[email protected]> wrote:
> On Sat, Jan 14, 2012 at 12:02 PM, greenmoss <[email protected]> wrote:
> > All,
>
> > I'm running my game code on pyglet 1.1.4, and am seeing what looks to
> > me like a memory leak. That is, while the code is executing the RSS
> > continually increases until eventually my laptop starts swapping and
> > eventually the code exits with a bus error.
>
> > I investigated with guppy: I did a heap dump once at startup, once
> > after the first slowdown due to running out of memory and hitting
> > swap, then once this is detected I exited pyglet and did one last heap
> > dump. I noticed that all three dumps showed approximately the same
> > heap size (approximately 18 MB), even though htop shows the code is
> > using gigabytes of memory.
>
> > From what I've read, these heap dumps only show python memory usage,
> > which means the rest of the memory would be occupied by C code. If my
> > understanding is correct, this would seem to indicate a memory leak in
> > the ctypes that pyglet is generating. My understanding of the
> > underlying code is hazy, so please feel free to correct any incorrect
> > terminology I may be using or any other errors in my understanding/
> > description.
>
> > Here was the Apple crash report when I encountered the bus error:
> >https://gist.github.com/1612500
>
> > Here is the code that contains the memory problem:
> >https://github.com/greenmoss/NotOrion/tarball/bus_error
>
> > I created a utility to automatically trigger the condition. To run it,
> > download/untar the above tarball, then cd to the "demo" directory,
> > then execute "./label_move.py". If you allow this utility to run
> > continually, it should replicate the behavior described above. If you
> > have a lot of free memory, it may take a while to use it all before it
> > hits swap.
>
> > Does anyone have any suggestions for getting past this problem?
>
> I'm not a pyglet dev, per se, but just for the record, what revision
> of OS X are you on?
>
> ~ Nathan

This is 10.6.8

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