I have a problem with running a python Hello World mpi4py code on a virtual machine. The hello.py code is: #!/usr/bin/python #hello.py from mpi4py import MPI comm = MPI.COMM_WORLD size = comm.G...

I'm new to the MPI world and there is a question that is really annoying me. What's the real difference between -n and -np?

As per my little knowledge mpirun and mpiexec both are launcher. Can anybody tell the exact difference between mpiexec and mpirun?

I'm trying out Microsoft's implementation of MPI. I installed the CCP sdk from here: http://www.microsoft.com/en-us/download/details.aspx?id=239 And then in my project settings I added the inclu...

I'm trying to use MPI with the D programming language. D fully supports the C ABI and can link with and call any C code. I've done the obvious stuff and translated the MPI header to D. I then trans...