python中的并行计算支持

Question

Does Enthought Canopy support parallel code execution on CPU using perhaps openMPI or on GPU using openCV or CUDA

I am looking into switching from C++ to python as i want to make GUI for my parallel code.

Is this a good idea. Does python support parallel computation?

Answer 1

Yes, Python does support this. There are three layers to processes with Python:

• subprocess : which simply starts a process within the same thread
• threading : which starts a new thread and leaves the old on alone. There are some frequent stories that this not necessarily leads to better performance.
• multiprocessing : which is what you are after

Here is an intro to parallel processing on Python.

The official docs for the multiprocessing are here .

The ever so useful discussions on the Python Module of the Week are also worth a look.

Edit:

The python libraries mentioned by HT @jonathan are likely to be:

Cuda: http://mathema.tician.de/software/pycuda

OpenCV: http://code.google.com/p/pyopencv/

There is a nice tutorial for this here .

And Message Passing Interface: http://mpi4py.scipy.org/docs/usrman/intro.html