Category Archives: News & Events

MPICH 3.1.2 released

A new stable release of MPICH, 3.1.2, is now available for download. This release contains significant enhancements to the BG/Q device, especially for RMA and shared memory functionality. It also contains enhancements to ROMIO and upgrades hwloc to 1.9.  In addition, it updates its … Continue reading

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MPICH 3.1.1 released

The MPICH team is pleased to announce the availability of a new stable release (mpich-3.1.1). This is a stable release that adds several capabilities including Blue Gene/Q implementation supports for MPI-3, experimental Fortran 2008 bindings, significant rework of MPICH library … Continue reading

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MPICH 3.1 released

The MPICH team is pleased to announce the availability of a new stable release (mpich-3.1). This is a new major release that adds several capabilities including full binary (ABI) compatibility with Intel MPI 5.0, an integrated MPICH-PAMID code base for … Continue reading

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MPICH 3.1rc4 released

The MPICH team is pleased to announce the availability of a new preview release (mpich-3.1rc4). This is a release candidate of the upcoming MPICH 3.1, and adds several capabilities including a fully integrated source for vanilla MPICH and the IBM … Continue reading

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MPICH 3.1rc3 Released

The MPICH team is pleased to announce the availability of a new preview release (mpich-3.1rc3). This is a release candidate of the upcoming MPICH 3.1, and adds several capabilities including a fully integrated source for vanilla MPICH and the IBM … Continue reading

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MPICH BoF Slides from SC13 Available

We had a successful Birds-of-a-Feather session at SC13 this year.  Rajeev Thakur, Pavan Balaji and Rusty Lusk from the MPICH group announced the MPICH ABI Compatibility Initiative. This BoF also provided a forum for users of MPICH as well as developers of … Continue reading

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MPICH ABI Compatibility Initiative Announced at SC13

The MPICH Birds-of-a-Feather session at SC13 saw the announcement of the MPICH ABI Compatibility Initiative. The goal of the initiative is for all participating implementations to be binary compatible, and to agree on a schedule for necessary ABI changes in … Continue reading

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MPICH Turns 21!

This November, the MPICH team celebrates the 21st anniversary of the project. In November 1992, the project began with the name being finalized later in March 1993. It began as a reference implementation for the new MPI Standard. Since then, … Continue reading

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MPICH 3.1rc2 Released

The MPICH team is pleased to announce the availability of a new preview release (mpich-3.1rc2). This is a release candidate of the upcoming MPICH 3.1, and adds several capabilities including a fully integrated source for vanilla MPICH and the IBM … Continue reading

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MPICH 3.1rc1 Released

The MPICH team is pleased to announce the availability of a new preview release: 3.1rc1. This is a release candidate of the upcoming MPICH 3.1, and adds several capabilities including a fully integrated source for vanilla MPICH and the IBM … Continue reading

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MPICH 3.1b1 Released

A new preview release of MPICH, 3.1b1, is now available for download. This preview release is the first in a new major version series in mpich (3.1.x), and adds several capabilities including a fully integrated source for vanilla MPICH and … Continue reading

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MPICH 3.0.4 Released

A new stable release of MPICH, 3.0.4, is now available for download. This release adds several performance features for the Hydra process manager, support for communicator-specific tuning of eager/rendezvous thresholds, and fixes several bugs present in 3.0.3. Please use this … Continue reading

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MPICH 3.0.3 Released

A new stable release of MPICH, 3.0.3, is now available for download. This release adds several performance features for MPI-RMA and fixes several bugs present in 3.0.2. Please use this release instead of 3.0.2.

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MPICH 3.0.2 Released

A new stable release of MPICH, 3.0.2, is now available for download. This release fixes several bugs present in 3.0.1. Please use this release instead of 3.0.1.

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Over 100 Million MPI Processes with MPICH

Researchers at University of British Columbia (UBC) have successfully executed MPI programs with over 100 million MPI processes on an MPICH derivative known as “Fine-Grain MPI”, or FG-MPI.

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MPICH 3.0.1 Released

A new stable release of MPICH, 3.0.1, is now available for download. This release fixes a major hydra bug that was present in MPICH 3.0. Please use this release instead of 3.0.

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MPICH 3.0 Released

This release contains a bug in hydra, which is fixed by 3.0.1. Please use 3.0.1 instead. A new stable release of MPICH, 3.0, is now available for download. The primary focus of this release is to provide full support for … Continue reading

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MPICH BoF Slides from SC12 Available

We had another successful Birds-of-a-Feather session at SC12 this year. Click on title for links to slides. Continue reading

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MPICH 3.0rc1 Released (Nov. 13, 2012)

A new preview release of MPICH, 3.0rc1, is now available for download. The primary focus of this release is to provide full support for the MPI-3 standard. Other smaller features including support for ARM v7 native atomics are also included. Continue reading

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MPICH Birds-of-a-Feather Session at SC (Nov 13, 2012, 12:15pm)

We will hold an MPICH Birds-of-a-Feather session at SC|12 in SaltLake City. The session will provide a forum for users of MPICH as well as developers of MPI implementations derived from MPICH to discuss experiences and issues in using and porting MPICH. Continue reading

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MPICH2 on Raspberry Pi

MPICH2 is up and running on the Raspberry Pi (a credit-card sized computer). Installation instructions are available Continue reading

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MPICH2-1.5 released (Oct. 8, 2012)

A new major release of MPICH2, 1.5, is now available for download. This release adds many new features including support for much of the MPI-3 standard, support for IBM Blue Gene/Q and Intel MIC platforms, and a completely overhauled build system that supports parallel make. This release also fixes many bugs in the Hydra process manager and various other parts of the MPICH2 code. Continue reading

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MPICH2-1.5rc3 released (Oct. 3, 2012)

A feature preview release of MPICH2, 1.5rc3, is now available to download. This release contains many new features. This release is not recommended for production systems at this time.

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MPICH2-1.5rc2 released (Oct. 2, 2012)

A feature preview release of MPICH2, 1.5rc2, is now available to download. This release contains many new features. This release is not recommended for production systems at this time.

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MPICH2-1.5rc1 released (Aug. 15, 2012)

A feature preview release of MPICH2, 1.5rc1, is now available to download. This release contains many new features. This release is not recommended for production systems at this time.

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MPICH2-1.5b2 released (Jul. 6, 2012)

A feature preview release of MPICH2, 1.5b2, is now available to download. This release contains many new features. This release is not recommended for production systems at this time.

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MPICH2-1.5b1 released (Apr. 23, 2012)

A feature preview release of MPICH2, 1.5b1, is now available to download. This release contains many new features. This release is not recommended for production systems at this time.

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MPICH2-1.5a2 released (Dec. 20, 2011)

A feature preview release of MPICH2, 1.5a2, is now available to download. This release contains many new features. This release is not recommended for production systems at this time.

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MPICH2-1.5a1 released (Nov. 15, 2011)

A feature preview release of MPICH2, 1.5a1, is now available to download. This release contains many new features. This release is not recommended for production systems at this time.

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MPICH2-1.4.1p1 released (Sep. 2, 2011)

A patch release of MPICH2, 1.4.1p1, is now available to download. This release addresses a bug in the Windows version.

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MPICH2-1.4.1 released (Aug. 24, 2011)

A new release of MPICH2, 1.4.1, is now available to download. This is primarily a bug-fix release with a few new features.

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MPICH2-1.4.1rc1 released

A new preview release of MPICH2, 1.4.1rc1, is now available to download. This is primarily a bug-fix release with a few new features.

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MPICH2-1.4 released (Jun. 16th, 2011)

A new major release of MPICH2, 1.4, is now available to download. This release adds several new features including improved support for fault tolerance, support for the ARMCI API, and non-collective group creation functionality. This release also fixes many bugs … Continue reading

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MPICH2-1.4rc2 released (Apr. 6th, 2011)

The second release candidate for a new major release of MPICH2, 1.4rc2, is now available to download. This release fixes several bugs in the Hydra process manager and other parts of the MPICH2 code base.

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MPICH2-1.4rc1 released (Mar. 28th, 2011)

The release candidate for a new major release of MPICH2, 1.4rc1, is now available to download. This release fixes several bugs in the Hydra process manager and other parts of the MPICH2 code base.

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MPICH2-1.3.3rc1 released (Feb. 28th, 2011)

The release candidate for a new bug-fix release of MPICH2, 1.3.3rc1, is now available to download. This release fixes several bugs in the Hydra process manager and other parts of the MPICH2 code base.

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MPICH2-1.3.2p1 released (Feb. 15th, 2011)

A new patch release of MPICH2, 1.3.2p1, is now available to download. This release fixes two critical bugs in MPICH2 for older GNU compilers.

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MPICH2-1.3.2 released (Jan. 31th, 2011)

A new release of MPICH2, 1.3.2, is now available to download. This release fixes several bugs in MPICH2′s fault tolerance capability and the Hydra process manager.

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MPICH2-1.3.2rc1 released (Jan. 26th, 2011)

A new release candidate of MPICH2, 1.3.2rc1, is now available to download. This release fixes several bugs in MPICH2′s fault tolerance capability and the Hydra process manager.

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MPICH2-1.3.1 released (Nov. 17th, 2010)

A new release of MPICH2, 1.3.1, is now available to download. This is primarily a bug-fix release. A few new features have also been added including complete support for the FTB MPI events, improvements to RMA operations, and ability to … Continue reading

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MPICH2-1.3.1rc1 released (Nov. 14th, 2010)

A new preview release of MPICH2, 1.3.1rc1, is now available to download. This is primarily a bug-fix release. A few new features have also been added.

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MPICH2-1.3 released (Oct 22nd, 2010)

A new stable version of MPICH2, 1.3, has been released. It includes various new features including the Hydra process manager and asynchronous communication progress, several bug fixes, and code cleanup. We recommend all users using older releases of MPICH2 to … Continue reading

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MPICH2-1.3rc2 released (Oct 3rd, 2010)

A new feature preview release of MPICH2, 1.3rc2, is now available to download. Early adopters are encouraged to try it out.

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MPICH2-1.3rc1 released (Sep 22nd, 2010)

A new feature preview release of MPICH2, 1.3rc1, is now available to download. This release marks the end of all the major features planned for this release. Early adopters are encouraged to try it out.

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MPICH2-1.3b1 released (Aug 10th, 2010)

A new feature preview release of MPICH2, 1.3b1, is now available to download. Major features in this release include fine-grained threading and process manager support for multiple resource managers including SGE, LSF, and POE. This release is not recommended for … Continue reading

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MPICH2-1.3a2 released (May 4th, 2010)

A new feature preview release of MPICH2, 1.3a2, is now available to download. This is the second preview release in the 1.3.z series. Major features in this release include checkpoint-restart capability using BLCR. This release is not recommended for production … Continue reading

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MPICH2-1.2.1p1 released (Feb 25th, 2010)

A new stable version of MPICH2, 1.2.1p1, has been released. This is primarily a bug fix release that fixes several issues on PowerPC systems, build system bugs, and the MPD process manager.

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MPICH2-1.3a1 released (Feb 11th, 2010)

A new feature preview release of MPICH2, 1.3a1, is now available to download. This marks the start of a new major release series that includes several new features and optimizations, including a new default process manager Hydra (replacing MPD). This … Continue reading

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MPICH2-1.2.1 released (Nov 18th, 2009)

A new stable version of MPICH2, 1.2.1, has been released. This is primarily a bug fix release that fixes several issues with MX and Hydra, adds Valgrind support for debugging builds, support for the hwloc process binding library and others.

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MPICH2-1.2.1rc1 released (Nov 10th, 2009)

A release candidate for the next version of MPICH2, 1.2.1, has been released. This is primarily a bug fix release. The release candidate is meant for early trials.

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MPICH2-1.2 released (Oct 6th, 2009)

A new stable version of MPICH2, 1.2, has been released. It includes MPI-2.2 support, several bug fixes, and code cleanup. We recommend all users using older releases of MPICH2 to upgrade to this version.

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EuroPVM/MPI ’09 Outstanding Papers (Sep. 10th, 2009)

Members of the MPICH2 group are authors/coauthors of a total of five papers and two posters selected for EuroPVM/MPI 2009, two of which were selected as an “Outstanding Papers”. One of these two papers studies the implications of scaling MPI … Continue reading

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MPICH2-1.1.1p1 released (Aug 7th, 2009)

A patch release of MPICH2, 1.1.1p1 has been released. This release fixes several bugs present in the previous stable release, 1.1.1 . We recommend all users of MPICH2 to upgrade to this version.

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MPICH2-1.1 released (Jun 2nd, 2009)

A new stable version of MPICH2, 1.1, has been released. It has several new features, bug fixes, and code cleanup. The new features include MPI 2.1 support, BG/P support, an entirely new TCP communication method, SMP aware collective operations, and … Continue reading

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MPICH2-1.1rc1 released (May 18th, 2009)

A release candidate for Version 1.1 has been released.

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MPICH2-1.0.8p1 released (Mar 26th, 2009)

A new patch has been released for the current stable version of MPICH2, 1.0.8p1. This fixes an MPI-I/O build issue with the latest release of PVFS2, bug fixes for IA64 platforms and fixes for MPICH2 over Myrinet GM.

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MPICH2-1.1b1 released (Mar 18th, 2009)

A new version of MPICH2, 1.1b1, has been released. This is a pre-release in the MPICH2-1.1 series, including support for the Myrinet MX network module, improved shared-memory collectives as well as regular collective communication, and support for a new and … Continue reading

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MPICH2-1.1a2 released (Nov. 16th, 2008)

A new version of MPICH2, 1.1a2, has been released. This is an experimental pre-release intended for developers and advanced MPICH2 users. It has a number of new features including MPI 2.1 support, BG/P, an entirely new TCP communication method, SMP … Continue reading

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MPICH2-1.0.8 released (Oct. 24th, 2008)

A new version of MPICH2, 1.0.8, has been released. It has several new features, bug fixes, and code cleanup. See the CHANGES for details. We recommend all users using older 1.0.X releases of MPICH2 to upgrade to this version.

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EuroPVM/MPI ’08 Outstanding Paper (Aug. 30th, 2008)

Members of the MPICH2 group are authors/coauthors of a total of six papers selected for EuroPVM/MPI 2008, one of which was selected as an “Outstanding Paper”. The paper, “Non-Data-Communication Overheads in MPI: Analysis on Blue Gene/P” by Pavan Balaji, Anthony … Continue reading

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MPICH2-1.1a1 released (Aug. 9th, 2008)

A new version of MPICH2, 1.1a1, has been released. This is an experimental pre-release intended for developers and advanced MPICH2 users. It has a number of new features including MPI 2.1 support, BG/P and an entirely new TCP communication method. … Continue reading

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MPICH2-1.0.7 released (Apr. 2nd, 2008)

A new version of MPICH2, 1.0.7, has been released. It has several new features, bug fixes, and code cleanup. See the CHANGES file for details. We recommend that you upgrade to this version if you are using an older version … Continue reading

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… and We Have A Winner! (Nov. 16th, 2007)

MPICH2 (Argonne National Laboratory), in collaboration with mpiBLAST (Virginia Tech), landed the SC|07 Storage Challenge Award at SC|07 in Reno, NV for their entry entitled ParaMEDIC: Parallel Metadata Environment for Distributed I/O and Computing. The team included Pavan Balaji (ANL), … Continue reading

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Two Papers selected as “Outstanding” at EuroPVM/MPI 2007 (Oct. 3rd, 2007)

Members of the MPICH2 group are authors/coauthors of a total of six papers selected for EuroPVM/MPI 2007, two of which were selected as “Outstanding Papers”. The first paper, “Self-consistent MPI Performance Requirements” by Jesper Larsson Traff, William Gropp, and Rajeev … Continue reading

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Supercomputing 2007 Storage Challenge Finalist (Oct. 1st, 2007)

MPICH2 (Argonne National Laboratory) and mpiBLAST (Virginia Tech) collaborate using the ParaMEDIC framework to land a finalist slot in the SC|07 storage challenge. MPICH2 powers ParaMEDIC (short for Parallel Metadata Environment for Distributed I/O and Computing) allowing it to accelerate … Continue reading

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