473 строки
22 KiB
Plaintext
473 строки
22 KiB
Plaintext
Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
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University Research and Technology
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Corporation. All rights reserved.
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Copyright (c) 2004-2006 The University of Tennessee and The University
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of Tennessee Research Foundation. All rights
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reserved.
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Copyright (c) 2004-2006 High Performance Computing Center Stuttgart,
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University of Stuttgart. All rights reserved.
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Copyright (c) 2004-2006 The Regents of the University of California.
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All rights reserved.
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Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
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Copyright (c) 2006 Voltaire, Inc. All rights reserved.
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Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved.
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Use is subject to license terms.
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$COPYRIGHT$
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Additional copyrights may follow
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$HEADER$
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===========================================================================
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This file contains the main features as well as overviews of specific
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bug fixes (and other actions) for each version of Open MPI since
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version 1.0.
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Trunk (not on release branches yet)
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-----------------------------------
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- Added threaded progress for the openib BTL.
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--> Expected: ?1.3?
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- Massive performance improvements for MPI collectives on high-speed
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networks.
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--> Expected: 1.2
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- Much more scalable MPI process launch.
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--> Expected: 1.2
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- Fixes for endian handling in MPI process startup.
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--> Expected: 1.2
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- Much more reliable runtime support, particularly with regards to
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cleanup in failure scenarios (e.g., MPI_ABORT, MPI processes
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abnormally terminating, etc.).
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--> Expected: 1.2
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- Added Microsoft Windows support. See README.WINDOWS file for
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details.
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--> Expected: ???
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1.2
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---
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- Users who utilize the wrapper compilers (e.g., mpicc and mpif77)
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will not notice, but the underlying library names for ORTE and OPAL
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have changed to libopen-rte and libopen-pal, respectively (listed
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here because there are undoubtedly some users who are not using the
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wrapper compilers).
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- Many bug fixes to MPI-2 one-sided support.
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- Added support for TotalView message queue debugging.
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- Fixes for MPI_STATUS_SET_ELEMENTS.
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- Print better error messages when mpirun's "-nolocal" is used when
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there is only one node available.
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- Added man pages for several Open MPI executables and the MPI API
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functions.
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- A number of fixes for Alpha platforms.
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- A variety of Fortran API fixes.
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- Build the Fortran MPI API as a separate library to allow these
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functions to be profiled properly.
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- Add new --enable-mpirun-prefix-by-default configure option to always
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imply the --prefix option to mpirun, preventing many rsh/ssh-based
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users from needing to modify their shell startup files.
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- Add a number of missing constants in the C++ bindings.
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- Added tight integration with Sun N1 Grid Engine (N1GE) 6 and the
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open source Grid Engine.
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- Allow building the F90 MPI bindings as shared libraries for most
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compilers / platforms. Explicitly disallow building the F90
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bindings as shared libraries on OS X because of complicated
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situations with Fortran common blocks and lack of support for
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unresolved common symbols in shared libraries.
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- Addition of "dr" (data reliability) PML.
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- Added stacktrace support for Solaris and Mac OS X.
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- Update event library to libevent-1.1b.
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- Fixed standards conformance issues with MPI_ERR_TRUNCATED and
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setting MPI_ERROR during MPI_TEST/MPI_WAIT.
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- Addition of "cm" PML to better support library-level matching
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interconnects, with initial support for Myrinet/MX and Portals.
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- Addition of "udapl" BTL for transport across uDAPL interconnects.
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- Really check that the $CXX given to configure is a C++ compiler
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(not a C compiler that "sorta works" as a C++ compiler).
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- Properly check for local host only addresses properly, looking
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for 127.0.0.0/8, rather than just 127.0.0.1.
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1.1.3
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-----
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- Remove the "hierarch" coll component; it was not intended to be
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included in stable releases yet.
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- Fix a race condition with stdout/stderr not appearing properly from
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all processes upon termination of an MPI job.
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- Fix internal accounting errors with the self BTL.
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- Fix typos in the code path for when sizeof(int) != sizeof(INTEGER)
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in the MPI F77 bindings functions. Thanks to Pierre-Matthieu
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Anglade for bringing this problem to our attention.
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- Fix for a memory leak in the derived datatype function
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ompi_ddt_duplicate(). Thanks to Andreas Schafer for reporting,
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diagnosing, and patching the leak.
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- Used better performing basic algorithm for MPI_ALLGATHERV.
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- Added a workaround for a bug in the Intel 9.1 C++ compiler (all
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versions up to and including 20060925) in the MPI C++ bindings that
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caused run-time failures. Thanks to Scott Weitzenkamp for reporting
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this problem.
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- Fix MPI_SIZEOF implementation in the F90 bindings for COMPLEX
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variable types.
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- Fixes for persistent requests involving MPI_PROC_NULL. Thanks to
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Lisandro Dalcin for reporting the problem.
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- Fixes to MPI_TEST* and MPI_WAIT* for proper MPI exception reporting.
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Thanks to Lisandro Dalcin for finding the issue.
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- Various fixes for MPI generalized request handling; addition of
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missing MPI::Grequest functionality to the C++ bindings.
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- Add "mpi_preconnect_all" MCA parameter to force wireup of all MPI
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connections during MPI_INIT (vs. making connections lazily whenever
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the first MPI communication occurs between a pair of peers).
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- Fix a problem for when $FC and/or $F77 were specified as multiple
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tokens. Thanks to Orion Poplawski for identifying the problem and
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to Ralf Wildenhues for suggesting the fix.
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- Fix several MPI_*ERRHANDLER* functions and MPI_GROUP_TRANSLATE_RANKS
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with respect to what arguments they allowed and the behavior that
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they effected. Thanks to Lisandro Dalcin for reporting the
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problems.
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1.1.2
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-----
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- Really fix Fortran status handling in MPI_WAITSOME and MPI_TESTSOME.
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- Various datatype fixes, reported by several users as causing
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failures in the BLACS testing suite. Thanks to Harald Forbert, Ake
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Sandgren and, Michael Kluskens for reporting the problem.
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- Correctness and performance fixes for heterogeneous environments.
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- Fixed a error in command line parsing on some platforms (causing
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mpirun to crash without doing anything).
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- Fix for initialization hangs on 64 bit Mac OS X PowerPC systems.
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- Fixed some memory allocation problems in mpirun that could cause
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random problems if "-np" was not specified on the command line.
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- Add Kerberos authentication support for XGrid.
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- Added LoadLeveler support for jobs larger than 128 tasks.
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- Fix for large-sized Fortran LOGICAL datatypes.
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- Fix various error checking in MPI_INFO_GET_NTHKEY and
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MPI_GROUP_TRANSLATE_RANKS, and some collective operations
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(particularly with regards to MPI_IN_PLACE). Thanks to Lisandro
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Dalcin for reporting the problems.
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- Fix receiving messages to buffers allocated by MPI_ALLOC_MEM.
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- Fix a number of race conditions with the MPI-2 Onesided
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interface.
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- Fix the "tuned" collective componenete where some cases where
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MPI_BCAST could hang.
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- Update TCP support to support non-uniform TCP environments.
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- Allow the "poe" RAS component to be built on AIX or Linux.
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- Only install mpif.h if the rest of the Fortran bindings are
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installed.
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- Fixes for BProc node selection.
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- Add some missing Fortran MPI-2 IO constants.
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1.1.1
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-----
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- Fix for Fortran string handling in various MPI API functions.
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- Fix for Fortran status handling in MPI_WAITSOME and MPI_TESTSOME.
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- Various fixes for the XL compilers.
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- Automatically disable using mallot() on AIX.
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- Memory fixes for 64 bit platforms with registering MCA parameters in
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the self and MX BTL components.
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- Fixes for BProc to support oversubscription and changes to the
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mapping algorithm so that mapping processes "by slot" works as
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expected.
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- Fixes for various abort cases to not hang and clean up nicely.
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- If using the Intel 9.0 v20051201 compiler on an IA64 platform, the
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ptmalloc2 memory manager component will automatically disable
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itself. Other versions of the Intel compiler on this platform seem
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to work fine (e.g., 9.1).
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- Added "host" MPI_Info key to MPI_COMM_SPAWN and
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MPI_COMM_SPAWN_MULTIPLE.
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- Add missing C++ methods: MPI::Datatype::Create_indexed_block,
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MPI::Datatype::Create_resized, MPI::Datatype::Get_true_extent.
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- Fix OSX linker issue with Fortran bindings.
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- Fixed MPI_COMM_SPAWN to start spawning new processes in slots that
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(according to Open MPI) are not already in use.
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- Added capability to "mpirun a.out" (without specifying -np) that
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will run on all currently-allocated resources (e.g., within a batch
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job such as SLURM, Torque, etc.).
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- Fix a bug with one particular case of MPI_BCAST. Thanks to Doug
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Gregor for identifying the problem.
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- Ensure that the shared memory mapped file is only created when there
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is more than one process on a node.
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- Fixed problems with BProc stdin forwarding.
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- Fixed problem with MPI_TYPE_INDEXED datatypes. Thanks to Yven
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Fournier for identifying this problem.
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- Fix some thread safety issues in MPI attributes and the openib BTL.
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- Fix the BProc allocator to not potentially use the same resources
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across multiple ORTE universes.
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- Fix gm resource leak.
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- More latency reduction throughout the code base.
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- Make the TM PLS (PBS Pro, Torque, Open PBS) more scalable, and fix
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some latent bugs that crept in v1.1. Thanks to the Thunderbird crew
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at Sandia National Laboratories and Martin Schaffoner for access to
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testing facilities to make this happen.
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- Added new command line options to mpirun:
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--nolocal: Do not run any MPI processes on the same node as mpirun
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(compatibility with the OSC mpiexec launcher)
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--nooversubscribe: Abort if the number of processes requested would
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cause oversubscription
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--quiet / -q: do not show spurious status messages
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--version / -V: show the version of Open MPI
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- Fix bus error in XGrid process starter. Thanks to Frank from the
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Open MPI user's list for identifying the problem.
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- Fix data size mismatches that caused memory errors on PPC64
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platforms during the startup of the openib BTL.
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- Allow propagation of SIGUSR1 and SIGUSR2 signals from mpirun to
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back-end MPI processes.
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- Add missing MPI::Is_finalized() function.
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1.1
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---
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- Various MPI datatype fixes, optimizations.
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- Fixed various problems on the SPARC architecture (e.g., not
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correctly aligning addresses within structs).
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- Improvements in various run-time error messages to be more clear
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about what they mean and where the errors are occurring.
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- Various fixes to mpirun's handling of --prefix.
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- Updates and fixes for Cray/Red Storm support.
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- Major improvements to the Fortran 90 MPI bindings:
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- General improvements in compile/linking time and portability
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between different F90 compilers.
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- Addition of "trivial", "small" (the default), and "medium"
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Fortran 90 MPI module sizes (v1.0.x's F90 module was
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equivalent to "medium"). See the README file for more
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explanation.
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- Fix various MPI F90 interface functions and constant types to
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match. Thanks to Michael Kluskens for pointing out the problems
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to us.
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- Allow short messagees to use RDMA (vs. send/receive semantics) to a
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limited number peers in both the mvapi and openib BTL components.
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This reduces communication latency over IB channels.
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- Numerous performance improvements throughout the entire code base.
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- Many minor threading fixes.
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- Add a define OMPI_SKIP_CXX to allow the user to skip the mpicxx.h from
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being included in mpi.h. It allows the user to compile C code with a CXX
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compiler without including the CXX bindings.
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- PERUSE support has been added. In order to activate it add
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--enable-peruse to the configure options. All events described in
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the PERUSE 2.0 draft are supported, plus one Open MPI
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extension. PERUSE_COMM_REQ_XFER_CONTINUE allow to see how the data
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is segmented internally, using multiple interfaces or the pipeline
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engine. However, this version only support one event of each type
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simultaneously attached to a communicator.
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- Add support for running jobs in heterogeneous environments.
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Currently supports environments with different endianness and
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different representations of C++ bool and Fortran LOGICAL.
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Mismatched sizes for other datatypes is not supported.
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- Open MPI now includes an implementation of the MPI-2 One-Sided
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Communications specification.
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- Open MPI is now configurable in cross-compilation environments.
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Several Fortran 77 and Fortran 90 tests need to be pre-seeded with
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results from a config.cache-like file.
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- Add --debug option to mpirun to generically invoke a parallel debugger.
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1.0.3 (unreleased; all fixes included in 1.1)
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---------------------------------------------
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- Fix a problem noted by Chris Hennes where MPI_INFO_SET incorrectly
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disallowed long values.
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- Fix a problem in the launch system that could cause inconsistent
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launch behavior, particularly when launching large jobs.
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- Require that the openib BTL find <sysfs/libsysfs.h>. Thanks to Josh
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Aune for the suggestion.
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- Include updates to support the upcoming Autoconf 2.60 and Libtool
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2.0. Thanks to Ralf Wildenhues for all the work!
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- Fix bug with infinite loop in the "round robin" process mapper.
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Thanks to Paul Donohue for reporting the problem.
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- Enusre that memory hooks are removed properly during MPI_FINALIZE.
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Thanks to Neil Ludban for reporting the problem.
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- Various fixes to the included support for ROMIO.
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- Fix to ensure that MPI_LONG_LONG and MPI_LONG_LONG_INT are actually
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synonyms, as defined by the MPI standard. Thanks to Martin Audet
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for reporting this.
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- Fix Fortran 90 configure tests to properly utilize LDFLAGS and LIBS.
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Thanks to Terry Reeves for reporting the problem.
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- Fix shared memory progression in asynchronous progress scenarios.
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Thanks to Mykael Bouquey for reporting the problem.
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- Fixed back-end operations for predefined MPI_PROD for some
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datatypes. Thanks to Bert Wesarg for reporting this.
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- Adapted configure to be able to handle Torque 2.1.0p0's (and above)
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new library name. Thanks to Brock Palen for pointing this out and
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providing access to a Torque 2.1.0p0 cluster to test with.
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- Fixed situation where mpirun could set a shell pipeline's stdout
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to non-blocking, causing the shell pipeline to prematurely fail.
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Thanks to Darrell Kresge for figuring out what was happening.
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- Fixed problems with leave_pinned that could cause Badness with the
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mvapi BTL.
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- Fixed problems with MPI_FILE_OPEN and non-blocking MPI-2 IO access.
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- Fixed various InfiniBand port matching issues during startup.
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Thanks to Scott Weitzenkamp for identifying these problems.
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- Fixed various configure, build and run-time issues with ROMIO.
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Thanks to Dries Kimpe for bringing them to our attention.
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- Fixed error in MPI_COMM_SPLIT when dealing with intercommunicators.
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Thanks to Bert Wesarg for identifying the problem.
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- Fixed backwards handling of "high" parameter in MPI_INTERCOMM_MERGE.
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Thanks to Michael Kluskens for pointing this out to us.
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- Fixed improper handling of string arguments in Fortran bindings
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for MPI-IO functionality
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- Fixed segmentation fault with 64 bit applications on Solaris when
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using the shared memory transports.
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- Fixed MPI_COMM_SELF attributes to free properly at the beginning of
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MPI_FINALIZE. Thanks to Martin Audet for bringing this to our
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attention.
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- Fixed alignment tests for cross-compiling to not cause errors with
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recent versions of GCC.
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1.0.2
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-----
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- Fixed assembly race condition on AMD64 platforms.
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- Fixed residual .TRUE. issue with copying MPI attributes set from
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Fortran.
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- Remove unnecessary logic from Solaris pty I/O forwarding. Thanks to
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Francoise Roch for bringing this to our attention.
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- Fixed error when count = 0 was given for multiple completion MPI
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functions (MPI_TESTSOME, MPI_TESTANY, MPI_TESTALL, MPI_WAITSOME,
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MPI_WAITANY, MPI_WAITALL).
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- Better handling in MPI_ABORT for when peer processes have already
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died, especially under some resource managers.
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- Random updates to README file, to include notes about the Portland
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compilers.
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- Random, small threading fixes to prevent deadlock.
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- Fixed a problem with handling long mpirun app files. Thanks to Ravi
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Manumachu for identifying the problem.
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- Fix handling of strings in several of the Fortran 77 bindings.
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- Fix LinuxPPC assembly issues. Thanks to Julian Seward for reporting
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the problem.
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- Enable pty support for standard I/O forwarding on platforms that
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have ptys but do not have openpty(). Thanks to Pierre Valiron for
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bringing this to our attention.
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- Disable inline assembly for PGI compilers to avoid compiler errors.
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Thanks to Troy Telford for bringing this to our attention.
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- Added MPI_UNSIGNED_CHAR and MPI_SIGNED_CHAR to the allowed reduction
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types.
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- Fix a segv in variable-length message displays on Opterons running
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Solaris. Thanks to Pierre Valiron for reporting the issue.
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- Added MPI_BOOL to the intrinsic reduction operations MPI_LAND,
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MPI_LOR, MPI_LXOR. Thanks to Andy Selle for pointing this out to us.
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- Fixed TCP BTL network matching logic during MPI_INIT; in some cases
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on multi-NIC nodes, a NIC could get paired with a NIC on another
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network (typically resulting in deadlock). Thanks to Ken Mighell
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for pointing this out to us.
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- Change the behavior of orterun (mpirun, mpirexec) to search for
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argv[0] and the cwd on the target node (i.e., the node where the
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executable will be running in all systems except BProc, where the
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searches are run on the node where orterun is invoked).
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- Fix race condition in shared memory transport that could cause
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crashes on machines with weak memory consistency models (including
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POWER/PowerPC machines).
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- Fix warnings about setting read-only MCA parameters on bproc systems.
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- Change the exit status set by mpirun when an application process is
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killed by a signal. The exit status is now set to signo + 128, which
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conforms with the behavior of (almost) all shells.
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- Correct a datatype problem with the convertor when partially
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unpacking data. Now we can position the convertor to any position
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not only on the predefined types boundaries. Thanks to Yvan Fournier
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for reporting this to us.
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- Fix a number of standard I/O forwarding issues, including the
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ability to background mpirun and a loss of data issue when
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redirecting mpirun's standard input from a file.
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- Fixed bug in ompi_info where rcache and bml MCA parameters would not
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be displayed.
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- Fixed umask issues in the session directory. Thanks to Glenn Morris
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for reporting this to us.
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- Fixed tcsh-based LD_LIBRARY_PATH issues with --prefix. Thanks to
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Glen Morris for identifying the problem and suggesting the fix.
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- Removed extraneous \n's when setting PATH and LD_LIBRARY_PATH in the
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rsh startup. Thanks to Glen Morris for finding these typos.
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- Fixed missing constants in MPI C++ bindings.
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- Fixed some errors caused by threading issues.
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- Fixed openib BTL flow control logic to not overrun the number of
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send wqes available.
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- Update to match newest OpenIB user-level library API. Thanks to
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Roland Dreier for submitting this patch.
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- Report errors properly when failing to register memory in the openib
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BTL.
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- Reduce memory footprint of openib BTL.
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- Fix parsing problem with mpirun's "-tv" switch. Thanks to Chris
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Gottbrath for supplying the fix.
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- Fix Darwin net/if.h configure warning.
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- The GNU assembler unbelievably defaults to making stacks executable.
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So when using gas, add flags to explicitly tell it to not make
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stacks executable (lame but necessary).
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- Add missing MPI::Request::Get_status() methods. Thanks to Bill
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Saphir for pointing this out to us.
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- Improved error messages on memory registration errors (e.g., when
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using high-speed networks).
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- Open IB support now checks firmware for how many outstanding RDMA
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requests are supported. Thanks to Mellanox for pointing this out to
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us.
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- Enable printing of stack traces in MPI processes upon SIGBUS,
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SIGSEGV, and SIGFPE if the platform supports it.
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- Fixed F90 compilation support for the Lahey compiler.
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- Fixed issues with ROMIO shared library support.
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- Fixed internal accounting problems with rsh support.
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- Update to GNU Libtool 1.5.22.
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- Fix error in configure script when setting CCAS to ias (the Intel
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assembler).
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- Added missing MPI::Intercomm collectives.
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- Fixed MPI_IN_PLACE handling for Fortran collectives.
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- Fixed some more C++ const_cast<> issues. Thanks for Martin Audet
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(again) for bringing this to our attention.
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- Updated ROMIO with the version from MPICH 1.2.7p1, marked as version
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2005-06-09.
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- Fixes for some cases where the use of MPI_BOTTOM could cause
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problems.
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- Properly handle the case where an mVAPI does not have shared receive
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queue support (such as the one shipped by SilverStorm / Infinicon
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for OS X).
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1.0.1
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-----
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- Fixed assembly on Solaris AMD platforms. Thanks to Pierre Valiron
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for bringing this to our attention.
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- Fixed long messages in the send-to-self case.
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- Ensure that when the "leave_pinned" option is used, the memory hooks
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are also enabled. Thanks to Gleb Natapov for pointing this out.
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- Fixed compile errors for IRIX.
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- Allow hostfiles to have integer host names (for BProc clusters).
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- Fixed a problem with message matching of out-of-order fragments in
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multiple network device scenarios.
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- Converted all the C++ MPI bindings to use proper const_cast<>'s
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instead of old C-style casts to get rid of const-ness. Thanks to
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Martin Audet for raising the issue with us.
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- Converted MPI_Offset to be a typedef instead of a #define because it
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causes problems for some C++ parsers. Thanks to Martin Audet for
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bringing this to our attention.
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- Improved latency of TCP BTL.
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- Fixed index value in MPI_TESTANY to be MPI_UNDEFINED if some
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requests were not MPI_REQUEST_NULL, but no requests finished.
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- Fixed several Fortran MPI API implementations that incorrectly used
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integers instead of logicals or address-sized integers.
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- Fix so that Open MPI correctly handles the Fortran value for .TRUE.,
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regardless of what the Fortran compiler's value for .TRUE. is.
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- Improved scalability of MX startup.
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- Fix datatype offset handling in the coll basic component's
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MPI_SCATTERV implementation.
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- Fix EOF handling on stdin.
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- Fix missing MPI_F_STATUS_IGNORE and MPI_F_STATUSES_IGNORE
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instanatiations. Thanks to Anthony Chan for pointing this out.
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- Add a missing value for MPI_WIN_NULL in mpif.h.
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- Bring over some fixes for the sm btl that somehow didn't make it
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over from the trunk before v1.0. Thanks to Beth Tibbitts and Bill
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Chung for helping identify this issue.
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- Bring over some fixes for the iof that somehow didn't make it over
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from the trunk before v1.0.
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- Fix for --with-wrapper-ldflags handling. Thanks to Dries Kimpe for
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pointing this out to us.
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1.0
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---
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Initial public release.
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