MPI for Python

Lisandro Dalcin*, Rodrigo Paz, Mario Storti

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

224 Scopus citations


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. This package is constructed on top of the MPI-1 specification and defines an object-oriented interface which closely follows MPI-2 C++ bindings. It supports point-to-point (sends, receives) and collective (broadcasts, scatters, gathers) communications of general Python objects. Efficiency has been tested in a Beowulf class cluster and satisfying results were obtained. MPI for Python is open source and available for download on the web (

Original languageEnglish (US)
Pages (from-to)1108-1115
Number of pages8
JournalJournal of Parallel and Distributed Computing
Issue number9
StatePublished - Sep 1 2005


  • High level languages
  • MPI
  • Message passing
  • Parallel Python

ASJC Scopus subject areas

  • Software
  • Theoretical Computer Science
  • Hardware and Architecture
  • Computer Networks and Communications
  • Artificial Intelligence


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