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
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