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MPI for Python:: Performance improvements and MPI-2 extensions
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DOI：10.1016/j.jpdc.2007.09.005.png)
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Abstract
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MPI for Python provides bindings of the message passing interface (MPI) standard for the Python programming language and allows any Python program to exploit multiple processors. In its first release, NIPI for Python was constructed on top of the MPI-1 specification defining an object-oriented interface that closely followed the MPI-2 C + + bindings, and provided support for communications of general Python objects. In the latest release, this package is improved to enable direct blocking/non-blocking communication of numeric arrays, and to support almost all MPI-2 features. Improvements in communication performance have been tested in a Beowulf class cluster. Results showed a negligible overhead in comparison to compiled C code. MPI for Python is open source and available for download on the web (http://mpi4py.scipy.org/). (C) 2007 Elsevier Inc. All rights reserved.
Keywords:
message passing
MPI
high-level languages
parallel Python
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