reverse sync the NEWS with the 1.7.5 official release
This commit was SVN r31177.
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NEWS
65
NEWS
@ -66,20 +66,59 @@ Trunk (not on release branches yet)
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**********************************************************************
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* Open MPI is now fully MPI-3.0 compliant
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**********************************************************************
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- Add OSHMEM support built on top of Open MPI's MPI layer. Thanks
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to Mellanox for contributing this new feature.
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- Support GCC/gfortran 4.9's "ignore TKR" syntax. Thanks to Tobias
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Burnus for adding this support to gfortran.
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- Allow restricting ORTE daemons to specific cores using
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orte_daemon_cores MCA param
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- MPI-3: Added support for new RMA functions.
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- MPI-3 compliant.
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- Add Linux OpenSHMEM support built on top of Open MPI's MPI
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layer. Thanks to Mellanox for contributing this new feature.
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- Allow restricting ORTE daemons to specific cores using the
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orte_daemon_cores MCA param.
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- Ensure to properly set "locality" flags for processes launched via
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MPI dynamic functions such as MPI_COMM_SPAWN.
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- Fix MPI_GRAPH_CREATE when nnodes is smaller than the size of the old
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communicator.
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- usnic BTL now supports underlying UDP transport.
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- usnic BTL now checks for common connectivty errors at first send to
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a remote server.
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- Minor scalability improvements in the usnic BTL.
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- ompi_info now lists whether the Java MPI bindings are available or not.
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- MPI-3: mpi.h and the Fortran interfaces now report MPI_VERSION==3
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and MPI_SUBVERSION==0.
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- MPI-3: Added support for new RMA functions and functionality.
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- Fix MPI_Info "const buglet. Thanks to Orion Poplawski for
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identifying the issue.
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- Multiple fixes to mapping/binding options. Thanks to Tetsuya Mishima
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for his assistance
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- Add a new collective component (coll/ml) that provides
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substantially improved performance. Will eventually become the
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default, but for now requires setting coll_ml_priority > 0 to
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become active
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for his assistance.
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- Multiple fixes for normal and abnormal process termination,
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including singleton MPI_Abort and ensuring to kill entire process
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groups when abnormally terminating a job.
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- Fix DESTDIR install for javadocs. Thanks to Orion Poplawski for
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pointing out the issue.
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- Various performance improvements for the MPI Java bindings.
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- OMPI now uses its own internal random number generator and will not
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perturb srand() and friends.
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- Some cleanups for Cygwin builds. Thanks to Marco Atzeri for the
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patches.
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- Add a new collective component (coll/ml) that provides substantially
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improved performance. It is still experimental, and requires
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setting coll_ml_priority > 0 to become active.
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- Add version check during startup to ensure you are using the same
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version of Open MPI on all nodes in a job.
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- Significantly improved the performance of MPI_DIMS_CREATE for large
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values. Thanks to Andreas Schфfer for the contribution.
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- Removed ASYNCHRONOUS keyword from the "ignore TKR" mpi_f08 module.
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- Deprecated the following mpirun options:
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--bynode, --bycore, --byslot: replaced with --map-by node|core|slot.
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--npernode, --npersocket: replaced with --map-by ppr:N:node and
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--map-by ppr:N:socket, respectively
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- Pick NFS "infinitely stale" fix from ROMIO upstream.
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- Various PMI2 fixes and extension to support broader range of mappings.
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- Improve launch performance at large scale.
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- Add support for PBS/Torque environments that set environment
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variables to indicate the number of slots available on each nodes.
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Set the ras_tm_smp MCA parameter to "1" to enable this mode.
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- Add new, more scalable endpoint exchange (commonly called "modex")
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method that only exchanges endpoint data on a per-peer basis
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on first message. Not all transports have been updated to use
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this feature. Set the rte_orte_direct_modex parameter to "1"
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to enable this mode.
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1.7.4
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