[mvapich-discuss] Announcing the Release of MVAPICH2 1.5RC2
Dhabaleswar Panda
panda at cse.ohio-state.edu
Tue Jun 22 00:14:12 EDT 2010
The MVAPICH team is pleased to announce the release of MVAPICH2 1.5RC2
with the following NEW features and bug-fixes:
MVAPICH2-1.5-RC2 (06/21/10)
* Features and Enhancements (since 1.5-RC1)
- Support for hwloc library (1.0.1) for defining CPU affinity
- Deprecating older PLPA support for defining CPU affinity
with HWLOC
- Efficient CPU binding policies (bunch and scatter) to
specify CPU binding per job for modern multi-core platforms
- New flag in mpirun_rsh to execute tasks with different group IDs
- Enhancement to the design of Win_complete for RMA operations
- Flexibility to support variable number of RMA windows
- Support for Intel iWARP NE020 adapter
* Bug fixes (since 1.5-RC1)
- Compilation issue with the ROMIO adio-lustre driver, thanks
to Adam Moody of LLNL for reporting the issue
- Allowing checkpoint-restart for large-scale systems
- Correcting a bug in clear_kvc function. Thanks to T J (Chris) Ward,
IBM Research, for reporting and providing the resolving patch
- Shared lock operations with RMA with scatter process distribution.
Thanks to Pavan Balaji of Argonne for reporting this issue
- Fix a bug during window creation in uDAPL
- Compilation issue with --enable-alloca, Thanks to E. Borisch,
for reporting and providing the patch
- Improved error message for ibv_poll_cq failures
- Fix an issue that prevents mpirun_rsh to execute programs without
specifying the path from directories in PATH
- Fix an issue of mpirun_rsh with Dynamic Process Migration (DPM)
- Fix for memory leaks (both CH3 and Nemesis interfaces)
- Updatefiles correctly update LiMIC2
- Several fixes to the registration cache
(CH3, Nemesis and uDAPL interfaces)
- Fix to multi-rail communication
- Fix to Shared Memory communication Progress Engine
- Fix to all-to-all collective for large number of processes
For downloading MVAPICH2 1.5RC2, associated user guide and accessing
the SVN, please visit the following URL:
http://mvapich.cse.ohio-state.edu
All feedbacks, including bug reports and hints for performance tuning,
patches and enhancements are welcome. Please post it to the
mvapich-discuss mailing list.
Thanks,
The MVAPICH Team
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