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.

If available for your platform, this is likely the easiest installation method since it automatically checks for dependency packages and installs them. Otherwise you can use the installation guide for installing MPICH from the source code below.

MPICH Overview. MPICH is a high-performance and widely portable implementation of the Message Passing Interface (MPI) standard (MPI-1, MPI-2 and MPI-3).

MPICH Users’ Guide provides instructions to use MPICH. This manual explains how to run MPI applications after MPICH is installed and working correctly. MPICH README is a basic README for MPICH beginners. It contains the simplest set of instructions to get started with MPICH. FAQ provides answers to frequently asked questions. What’s New in ...

Download specific versions of mpich here. use the [+] and [-] links to expand and collapse file lists.

A new preview release of MPICH, 3.3b1, is now available for download. MPICH 3.3 contains a new (non-default) device layer implementation – CH4. CH4 is designed for low software overheads to better exploit next-generation hardware. An OFI (http://libfabric.org) or UCX (http://openucx.org) library is required to build CH4. Example configure lines:

Feb 27, 2024 · A new stable release of MPICH, 4.1.3, is now available for download. This is the third and final bug-fix release in the 4.1.x series. This release addresses a number of user-reported crashes and build issues.

Jan 22, 2025 · A new release candidate of MPICH, 4.3.0rc4, is now available on our downloads page. Since rc3, we have fixed a regression in static builds on macOS. See CHANGES for more detailed info.

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Jun 7, 2019 · A new stable release of MPICH, 3.3.1, is now available for download. This is the first bug-fix release in the 3.3.x series. A detailed list of changes can be found here: https://github.com/pmodels/mpich/blob/3.3.x/CHANGES. All production environments are encouraged to upgrade to this release.