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Subject: Re: [OMPI users] [Open MPI Announce] Open MPI v1.5 released
From: Damien Hocking (damien_at_[hidden])
Date: 2010-10-10 21:10:08

  You didn't mention complete Fortran support on Windows, thanks to
Shiqing. :-)


On 10/10/2010 5:50 PM, Jeff Squyres wrote:
> The Open MPI Team, representing a consortium of research, academic, and industry partners, is pleased to announce the release of Open MPI version 1.5. This release represents over a year of research, development, and testing.
> Although the version 1.5 release marks the advent of a new "feature release" series for Open MPI, the v1.4 series remains relevant as the "super stable" series (e.g., there will likely be a v1.4.4 someday). To explain what I mean, here's an excerpt from our release methodology:
> o Even minor release numbers are part of "super-stable"
> release series (e.g., v1.4.0). Releases in super stable series
> are well-tested, time-tested, and mature. Such releases are
> recomended for production sites. Changes between subsequent
> releases in super stable series are expected to be fairly small.
> o Odd minor release numbers are part of "feature" release
> series (e.g., v1.5.0). Releases in feature releases are
> well-tested, but they are not necessarily time-tested or as
> mature as super stable releases. Changes between subsequent
> releases in feature series may be large.
> The v1.5 series will eventually morph into the next "super stable" series, v1.6 -- at which time, we'll start a new "feature" series (v1.7).
> Version 1.5 can be downloaded from the main Open MPI web site or any of its mirrors (mirrors will be updating shortly).
> The following is an abbreviated list of changes in v1.5 (note that countless other smaller improvements and enhancements are not shown below):
> - Added "knem" support: direct process-to-process copying for shared
> memory message passing. See
> and the README file for more details.
> - Updated shared library versioning scheme and linking style of MPI
> applications. The MPI application ABI has been broken from the
> v1.3/v1.4 series. MPI applications compiled against any prior
> version of Open MPI will need to, at a minimum, re-link. See the
> README file for more details.
> - Added "fca" collective component, enabling MPI collective offload
> support for Voltaire switches.
> - Fixed MPI one-sided operations with large target displacements.
> Thanks to Brian Price and Jed Brown for reporting the issue.
> - Fixed MPI_GET_COUNT when used with large counts. Thanks to Jed
> Brown for reporting the issue.
> - Made the openib BTL safer if extremely low SRQ settings are used.
> - Fixed handling of the array_of_argv parameter in the Fortran
> binding of MPI_COMM_SPAWN_MULTIPLE (** also to appear: 1.4.3).
> - Fixed malloc(0) warnings in some collectives.
> - Fixed a problem with the Fortran binding for
> MPI_FILE_CREATE_ERRHANDLER. Thanks to Secretan Yves for identifying
> the issue (** also to appear: 1.4.3).
> - Updates to the LSF PLM to ensure that the path is correctly passed.
> Thanks to Teng Lin for the patch (** also to appear: 1.4.3).
> bindings. Thanks to Paul Kapinos for pointing out the issue
> (** also to appear: 1.4.3).
> - Fixed extra_state parameter types in F90 prototypes for
> - Fixes for Solaris oversubscription detection.
> - If the PML determines it can't reach a peer process, print a
> slightly more helpful message. Thanks to Nick Edmonds for the
> suggestion.
> - Make btl_openib_if_include/exclude function the same way
> btl_tcp_if_include/exclude works (i.e., supplying an _include list
> overrides supplying an _exclude list).
> - Apply more scalable reachability algorithm on platforms with more
> than 8 TCP interfaces.
> - Various assembly code updates for more modern platforms / compilers.
> - Relax restrictions on using certain kinds of MPI datatypes with
> one-sided operations. Users beware; not all MPI datatypes are valid
> for use with one-sided operations!
> - Improve behavior of MPI_COMM_SPAWN with regards to --bynode.
> - Various threading fixes in the openib BTL and other core pieces of
> Open MPI.
> - Various help file and man pages updates.
> - Various FreeBSD and NetBSD updates and fixes. Thanks to Kevin
> Buckley and Aleksej Saushev for their work.
> - Fix case where freeing communicators in MPI_FINALIZE could cause
> process failures.
> - Print warnings if shared memory state files are opened on what look
> like networked filesystems.
> - Update libevent to v1.4.13.
> - Allow propagating signals to processes that call fork().
> - Fix bug where MPI_GATHER was sometimes incorrectly examining the
> datatype on non-root processes. Thanks to Michael Hofmann for
> investigating the issue.
> - Various Microsoft Windows fixes.
> - Various Catamount fixes.
> - Various checkpoint / restart fixes.
> - Xgrid support has been removed until it can be fixed (patches
> would be welcome).
> - Added simplistic "libompitrace" contrib package. Using the MPI
> profiling interface, it essentially prints out to stderr when select
> MPI functions are invoked.
> - Update bundled VampirTrace to v5.8.2.
> - Add pkg-config(1) configuration files for ompi, ompi-c, ompi-cxx,
> ompi-f77, ompi-f90. See the README for more details.
> - Removed the libopenmpi_malloc library (added in the v1.3 series)
> since it is no longer necessary
> - Add several notifier plugins (generally used when Open MPI detects
> system/network administrator-worthy problems); each have their own
> MCA parameters to govern their usage. See "ompi_info --param
> notifier<name>" for more details.
> - command to execute arbitrary commands (e.g., run a script).
> - file to send output to a file.
> - ftb to send output to the Fault Tolerant Backplane (see
> - hnp to send the output to mpirun.
> - smtp (requires libesmtp) to send an email.