I'm using multiprocessing to spawn several subprocesses, each of which uses a very large data structure (making it impractical to pass it via pipes / pickling). I need to allocate this structure once when the process is created and have it remain in memory for the duration of the process. The way the multiprocessing module is set up, only the 'run' method runs within the subprocess - so creating a wrapper class with a constructor that allocates the structure in __init__ will not work, as far as I know, as this will still be within the parent process.
If I were working in C/C++, I would declare the variable "static" within the function body - is there any way with the multiprocessing module to have persistent data members within subprocesses? Any ideas?? Thanks, Matt -- http://mail.python.org/mailman/listinfo/python-list
