Open MPI has periodically worked under Cygwin, but I would not call it anywhere near production-quality.

There are various commercial MPI implementations available for Windows. A simple Google search for "MPI windows" turns up a bunch, including the free MPICH-based Windows package.

From: users-bounces@open-mpi.org [mailto:users-bounces@open-mpi.org] On Behalf Of usha devi regadi
Sent: Thursday, July 06, 2006 6:13 AM
To: users@open-mpi.org
Subject: [OMPI users] (no subject)

hello
I'll be glad to know if an MPI is available On WINDOWS Platform.

Regards
usha