MPICH is a high performance and widely portable implementation of the Message Passing Interface (MPI) standard.
MPICH and its derivatives form the most widely used implementations of MPI. They are used on many of world’s top supercomputers, including the world’s first two exascale machines (June 2024 ranking): Frontier and Aurora.
News & Events
A new release candidate of MPICH, 4.3.0rc1, is now available on our downloads page. See CHANGES for more detailed info. ...
Learn about MPICH
The documentation page provides documents for installing MPICH, how to get started with MPI, and how to run MPI applications. It also includes tutorials, publications and other documents for developers.
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Support
The support page provides help for MPICH users and developers. There are links to
frequently asked questions, support mailing lists and a trac system to report new bugs.
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