Release Notes: New features include improved support for fault tolerance, support for the ARMCI API, and non-collective group creation functionality. There are numerous bugfixes.
Release Notes: A few new features have also been added, including complete support for the FTB MPI events, improvements to RMA operations, and the ability to modify collective algorithm selection thresholds using environment variables. Many important bugs were fixed.
Release Notes: This release adds MPI 2.1 support, BG/P support, an entirely new TCP communication method, SMP-aware collective operations, and a new process management framework called Hydra. There are assorted bugfixes.
Release Notes: This release adds an initial ROMIO device for BlueGene/P. It has major cleanup for the propagation of user-defined and other MPICH2 flags throughout the code. It adds support for the STI Cell Broadband Engine. It adds datatype free hooks to be used by devices independently. It adds device-specific timer support. "make uninstall" works cleanly now. Support has been added to take hints from a config file. There are more tests and bugfixes for non-blocking I/O. Support has been added for using the PMI Clique functionality for process managers that support it.
Release Notes: Numerous bugfixes and code cleanups.
Release Notes: Assorted minor bugfixes and code cleanups were done.
Release Notes: Thread safety has been improved. Support for non-blocking I/O has been improved. There are minor bugfixes.
No changes have been submitted for this release.
Release Notes: An SCTP channel has been added to the CH3 device. Infiniband hooks were added to the Nemesis channel. Speedups have been applied to collective communications and derived data types. Thread safety issues in the ch3:sock channel have been fixed. A fix for cross compiling with a C++ compiler was added. Numerous minor bugfixes and code cleanups were done.
Release Notes: Improvements to thread safety in channels. A new low-latency channel has been added. Message queues are now visible to debuggers. Port range restriction is now supported. Obsolete modules have been removed. Many new tests have been added. Extensive code cleanup.