Feng Yu <rainwood...@gmail.com> wrote: > 1. If we are talking about shared memory and copy-on-write > inheritance, then we are using 'fork'.
Not available on Windows. On Unix it only allows one-way communication, from parent to child. > 2. Picking of inherited shared memory array can be done minimally by > just picking the array_interface and the pointer address. It is > because the child process and the parent share the same address space > layout, guarenteed by the fork call. Again, not everyone uses Unix. And on Unix it is not trival to pass data back from the child process. I solved that problem with Sys V IPC (pickling the name of the segment). > 6. If we are to define a set of operations I would recommend take a > look at OpenMP as a reference -- It has been out there for decades and > used widely. An equiavlant to the 'omp parallel for' construct in > Python will be a very good starting point and immediately useful. If you are on Unix, you can just use a context manager. Call os.fork in __enter__ and os.waitpid in __exit__. Sturla _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org https://mail.scipy.org/mailman/listinfo/numpy-discussion
