The Open MPI Team, representing a consortium of research, academic, and industry partners, is pleased to announce the release of Open MPI version 2.0.3.
v2.0.3 is a bug fix release that includes a variety of bug fixes and a few performance fixes. Users of the v2.0.x release stream are encouraged to upgrade to v2.0.3 when possible. Version 2.0.3 can be downloaded from the main Open MPI web site: https://www.open-mpi.org/software/ompi/v2.0/ NEWS: 2.0.3 -- June 2017 ------------------ Bug fixes/minor improvements: - Fix a problem with MPI_IALLTOALLW when zero size messages are present. Thanks to @mathbird for reporting. - Add missing MPI_USER_FUNCTION definition to the mpi_f08 module. Thanks to Nathan Weeks for reporting this issue. - Fix a problem with MPI_WIN_LOCK not returning an error code when a negative rank is supplied. Thanks to Jeff Hammond for reporting and providing a fix. - Fix a problem with make check that could lead to hangs. Thanks to Nicolas Morey-Chaisemartin for reporting. - Resolve a symbol conflict problem with PMI-1 and PMI-2 PMIx components. Thanks to Kilian Cavalotti for reporting this issue. - Insure that memory allocations returned from MPI_WIN_ALLOCATE_SHARED are 64 byte aligned. Thanks to Joseph Schuchart for reporting this issue. - Make use of DOUBLE_COMPLEX, if available, for Fortran bindings. Thanks to Alexander Klein for reporting this issue. - Add missing MPI_T_PVAR_SESSION_NULL definition to Open MPI mpi.h include file. Thanks to Omri Mor for reporting and fixing. - Fix a problem with use of MPI shared file pointers when accessing a file from independent jobs. Thanks to Nicolas Joly for reporting this issue. - Optimize zero size MPI_IALLTOALL{V,W} with MPI_IN_PLACE. Thanks to Lisandro Dalcin for the report. - Fix a ROMIO buffer overflow problem for large transfers when using NFS filesystems. - Fix type of MPI_ARGV[S]_NULL which prevented it from being used properly with MPI_COMM_SPAWN[_MULTIPLE] in the mpi_f08 module. - Ensure to add proper linker flags to the wrapper compilers for dynamic libraries on platforms that need it (e.g., RHEL 7.3 and later). - Get better performance on TCP-based networks 10Gbps and higher by using OS defaults for buffer sizing. - Fix a bug with MPI_[R][GET_]ACCUMULATE when using DARRAY datatypes. - Fix handling of --with-lustre configure command line argument. Thanks to Prentice Bisbal and Tim Mattox for reporting the issue. - Added MPI_AINT_ADD and MPI_AINT_DIFF declarations to mpif.h. Thanks to Aboorva Devarajan (@AboorvaDevarajan) for the bug report. - Fix a problem in the TCP BTL when Open MPI is initialized with MPI_THREAD_MULTIPLE support. Thanks to Evgueni Petro for analyzing and reporting this issue. - Fix yalla PML to properly handle underflow errors, and fixed a memory leak with blocking non-contiguous sends. - Restored ability to run autogen.pl on official distribution tarballs (although this is still not recommended for most users!). - Fix accuracy problems with MPI_WTIME on some systems by always using either clock_gettime(3) or gettimeofday(3). - Fix a problem where MPI_WTICK was not returning a higher time resolution when available. Thanks to Mark Dixon for reporting this issue. - Restore SGE functionality. Thanks to Kevin Buckley for the initial report. - Fix external hwloc compilation issues, and extend support to allow using external hwloc installations as far back as v1.5.0. Thanks to Orion Poplawski for raising the issue. - Added latest Mellanox Connect-X and Chelsio T-6 adapter part IDs to the openib list of default values. - Do a better job of cleaning up session directories (e.g., in /tmp). - Update a help message to indicate how to suppress a warning about no high performance networks being detected by Open MPI. Thanks to Susan Schwarz for reporting this issue. - Fix a problem with mangling of custom CFLAGS when configuring Open MPI. Thanks to Phil Tooley for reporting. - Fix some minor memory leaks and remove some unused variables. Thanks to Joshua Gerrard for reporting. - Fix MPI_ALLGATHERV bug with MPI_IN_PLACE. Known issues (to be addressed in v2.0.4): - See the list of fixes slated for v2.0.4 here: https://github.com/open-mpi/ompi/milestone/29 -- Howard Pritchard HPC-DES Los Alamos National Laboratory
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