NEWS: sync to v2.x NEWS
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
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Jeff Squyres
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132
NEWS
132
NEWS
@ -74,111 +74,141 @@ Master (not on release branches yet)
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* Open MPI is now fully MPI-3.1 compliant
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**********************************************************************
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- Enhancements to reduce the memory footprint for jobs at scale.
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A new MCA parameter - mpi_add_procs_cutoff is available to set
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the threshold for using this feature.
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- Enhancements to MPI RMA. Open MPI now maps MPI RMA operations on
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to native RMA operations for those networks which support this
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- Enhancements to reduce the memory footprint for jobs at scale. A
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new MCA parameter, "mpi_add_procs_cutoff", is available to set the
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threshold for using this feature.
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- Many enhancements to MPI RMA. Open MPI now maps MPI RMA operations
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on to native RMA operations for those networks which support this
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capability.
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- ompi_info now shows all components, even if they do not have MCA
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parameters. The prettyprint output now separates groups with a
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dashed line.
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- Add support for PMIx - Process Management Interface for Exascale.
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Version 1.1.2 of PMIx is included internally in this release.
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- Add support for PLFS file systems in Open MPI I/O.
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- Add support for UCX transport.
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- Improved support for MPI_THREAD_MULTIPLE.
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- Update Java interfaces to MPI-3.1
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- Simplify build process for Cray XC systems. Add support for
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using native SLURM.
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- Update the internal copy of ROMIO to that which shipped in MPICH
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3.1.4.
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- Update internal copy of libevent to v2.0.22.
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- Update internal copy of hwloc to v1.11.2.
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- Removed checkpoint/restart code due to loss of maintainer. :-(
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- Add a new MCA parameter - opal_common_verbs_want_fork_support. This
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replaces the btl_openib_want_fork_support parameter.
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- Add a -tune command line option to simplify setting many environment
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variables and mca parameters.
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- Removed --enable-mpi-profiling configure option.
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- Updated internal/embedded copies of third-part software:
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- Update the internal copy of ROMIO to that which shipped in MPICH
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3.1.4.
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- Update internal copy of libevent to v2.0.22.
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- Update internal copy of hwloc to v1.11.2.
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- Add a --tune mpirun command line option to simplify setting many
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environment variables and MCA parameters.
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- Add a new MCA parameter -
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"opal_common_verbs_want_fork_support". This replaces the
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"btl_openib_want_fork_support" parameter.
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- Add a new MCA parameter "orte_default_dash_host" to offer an analogue
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to the existing "orte_default_hostfile" MCA parameter.
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- Add --with-platform-patches-dir configure option.
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- Add a new mca parameter default-dash-to-host to offer a mirror of
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the default_hostfile.
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- Add a --with-pmi-libdir configure option for environments that install
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- Add --with-pmi-libdir configure option for environments that install
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PMI libs in a non-default location.
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- Add the ability to specify the number of desired slots in the --host
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option.
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- Remove support for OS X Leopard.
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- Remove support for Cray XT systems.
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- Remove VampirTrace.
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- Remove support for Myrinet/MX.
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- Remove legacy collective module:ML.
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- Remove support for Alpha processors.
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- Add the ability to specify the number of desired slots in the mpirun
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--host option.
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- In environments where mpirun cannot automatically determine the
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number of slots available (e.g., when using a hostfile that does not
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specify "slots", or when using --host without specifying a ":N"
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suffix to hostnames), mpirun now requires the use of "-np N" to
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specify how many MPI processes to launch.
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- Removed some legacy support:
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- Removed support for OS X Leopard.
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- Removed support for Cray XT systems.
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- Removed VampirTrace.
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- Removed support for Myrinet/MX.
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- Removed legacy collective module:ML.
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- Removed support for Alpha processors.
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- Removed --enable-mpi-profiling configure option.
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- Removed checkpoint/restart code due to loss of maintainer. :-(
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- Numerous fixes/improvements to orte-dvm. Special thanks to Mark
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Santcroos for his help.
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- Silence a compiler warning in PSM MTL. Thanks to Adrian Reber for
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reporting this.
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- Add missing Fortran bindings for MPI_Win_allocate. Thanks to Christoph
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Niethammer for reporting and fixing.
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- Replace use of alloca with malloc for certain datatype creation
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functions. Thanks to Bogdan Sataric for reporting this.
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- Fix use of MPI_LB and MPI_UB in creation of of certain MPI datatypes.
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Thanks to Gus Correa for helping to fix this.
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- Implement a workaround for a libtool problem. Thanks to Eric
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- Implement a workaround for a GNU Libtool problem. Thanks to Eric
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Schnetter for reporting and fixing.
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- Improve hcoll library detection in configure. Thanks to David
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Shrader and Ake Sandgren for reporting this.
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- Fix problems with XRC detection in OFED 3.12 and older releases.
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Thanks to Paul Hargrove for his analysis of this problem.
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- Update (non-standard/experimental) Java MPI interfaces to support
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MPI-3.1 functionality.
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- Fix an issue with MCA parameters for Java bindings. Thanks to
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Takahiro Kawashima and Siegmar Gross for reporting this issue.
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- Fix a problem when using persistent requests in the Java bindings.
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Thanks to Nate Chambers for reporting.
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- Fix problem with Java bindings on OX X 10.11. Thanks to Alexander
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Daryin for reporting this issue.
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- Fix a performance problem for large messages for Cray XC systems.
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Thanks to Jerome Vienne for reporting this.
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- Fix an issue with MPI_Win_lock_all. Thanks to Thomas Jahns for
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- Fix an issue with MPI_WIN_LOCK_ALL. Thanks to Thomas Jahns for
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reporting.
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- Fix an issue with passing a parameter to configure multiple times.
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Thanks to QuesarVII for reporting and supplying a fix.
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- Add support for ALPS resource allocation system on Cray CLE 5.2 and
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later. Thanks to Mark Santcroos.
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- Correction to HACKING file. Thanks to Maximilien Levesque.
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- Corrections to the HACKING file. Thanks to Maximilien Levesque.
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- Fix an issue with user supplied reduction operator functions.
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Thanks to Rupert Nash for reporting this.
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- Fix an issue with an internal list management function. Thanks to
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Adrian Reber for reporting this.
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- Fix a problem with MPI-RMA PSCW epochs. Thanks to Berk Hess for
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reporting this.
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- Fix a problem in neighbor collectives. Thanks to Lisandro Dalcin
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for reporting.
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- Fix a problem when using persistent requests in the Java bindings.
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Thanks to Nate Chambers for reporting.
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- Add additional flavors to MPI_Comm_split_type. Thanks to Nick
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Andersen for supplying this enhancement.
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- Improve closing of file descriptors during job launch phase. Thanks
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to Piotr Lesnicki for reporting and providing this enhancement.
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- Fix a problem in MPI_Get_accumulate and MPI_Rget_accumulate when
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- Fix a problem in neighborhood collectives. Thanks to Lisandro
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Dalcin for reporting.
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- Add (Open MPI-specific) additional flavors to MPI_COMM_SPLIT_TYPE.
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See MPI_Comm_split_type(3) for details. Thanks to Nick Andersen for
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supplying this enhancement.
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- Improve closing of file descriptors during the job launch phase.
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Thanks to Piotr Lesnicki for reporting and providing this
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enhancement.
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- Fix a problem in MPI_GET_ACCUMULATE and MPI_RGET_ACCUMULATE when
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using Portals4. Thanks to Nicolas Chevalier for reporting.
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- Use correct include file for lstat prototype in ROMIO. Thanks to
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William Throwe for finding and providing a fix.
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- Add missing Fortran bindings for MPI_WIN_ALLOCATE. Thanks to Christoph
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Niethammer for reporting and fixing.
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- Fortran related fixes to handle Intel 2016 compiler. Thanks to
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Fabrice Roy for reporting this.
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- Fix an issue with use of DL-related macros in opal library. Thanks to
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Scott Atchley for finding this.
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- Fix a Fortran linkage issue. Thanks to Macro Atzeri for finding and
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suggesting a fix.
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- Fix problem with using BIND(C) for Fortran bindings with logical
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parameters. Thanks to Paul Romano for reporting.
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- Fix an issue with use of DL-related macros in opal library. Thanks to
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Scott Atchley for finding this.
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- Fix an issue with parsing mpirun command line options which contain
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colons. Thanks to Lev Given for reporting.
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- Fix a problem with Open MPI's package config files. Thanks to
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- Fix a problem with Open MPI's package configury files. Thanks to
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Christoph Junghans for reporting.
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- Fix a typo in the MPI_Intercomm_merge man page. Thanks To Harald
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- Fix a typo in the MPI_INTERCOMM_MERGE man page. Thanks To Harald
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Servat for reporting and correcting.
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- Update man pages for non-blocking sends per MPI 3.1 standard.
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Thanks to Alexander Pozdneev for reporting.
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- Fix problems when building with plfs file system software present.
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- Fix problem when compiling againsts pvfs2. Thanks to Dave Love for
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- Fix problem when compiling against PVFS2. Thanks to Dave Love for
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reporting.
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- Fix problems with MPI_Neighbor_alltoall{v,w}. Thanks to Willem
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- Fix problems with MPI_NEIGHBOR_ALLTOALL{V,W}. Thanks to Willem
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Vermin for reporting this issue.
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- Fix problem with java bindings on OX X 10.11. Thanks to Alexander
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Daryin for reporting this issue.
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- Fix various a compilation problems on Cygwin. Thanks to Marco Atzeri
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- Fix various compilation problems on Cygwin. Thanks to Marco Atzeri
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for supplying these fixes.
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- Fix problem with resizing of subarray and darray data types. Thanks
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to Keith Bennett and Dan Garmann for reporting.
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- Fix a problem with MPI_COMBINER_RESIZED. Thanks to James Ramsey for
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the report.
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- Fix an hwloc binding issue. Thanks to Ben Menadue for reporting.
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- Fix a problem with the shared memory (sm) BTL. Thanks to Peter Wind
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for the report.
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- Fixes for heterogeneous support. Thanks to Siegmar Gross for reporting.
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- Fix a problem with memchecker. Thanks to Clinton Simpson for reporting.
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- Fix a problem with MPI_UNWEIGHTED in topology functions. Thanks to
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Jun Kudo for reporting.
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- Fix problem with a MCA parameter base filesystem types. Thanks to
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Siegmar Gross for reporting.
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- Fix a problem with some windows info argument types. Thanks to
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Alastair McKinstry for reporting.
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1.10.3 - DATE
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