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PMIx v1.x series

This file contains all the NEWS updates for all the PMIx v1.x series, in reverse chronological order.

1.2.5 -- 6 Feb 2018

  • Fix cross-version issue when v1.2 client interacts with v2.1 server (PR #564)
  • Update client connection for cross-version support (PR #591)
  • Fix write memory barrier ASM for PowerPC (PR #606)
  • Add protection from overly-large messages

1.2.4 -- 13 Oct. 2017

  • Silence some unnecessary warning messages (PR #487)
  • Coverity fix - TOCTOU (PR #465)
  • automake 1.13 configure fix (PR #486)
  • Update RPM spec file (rpmbuild -ta, and --rebuild fixes) (PR #523)
  • Support singletons in PMI-1/PMI-2 (PR #537)

1.2.3 -- 24 Aug. 2017

  • Resolve visibility issues for public APIs (PR #451)
  • Atomics update - remove custom ASM atomics (PR #458)
  • Fix job-fence test (PR #423)
  • Replace stale PMIX_DECLSPEC with PMIX_EXPORT (PR #448)
  • Memory barrier fixes for thread shifting (PR #387)
  • Fix race condition in dmodex (PR #346)
  • Allow disable backward compatability for PMI-1/2 (PR #350)
  • Fix segv in PMIx_server_deregister_nspace (PR #343)
  • Fix possible hang in PMIx_Abort (PR #339)

1.2.2 -- 21 March 2017

  • Compiler fix for Sun/Oracle CC (PR #322)
  • Fix missing include (PR #326)
  • Improve error checking around posix_fallocate (PR #329)
  • Fix possible memory corruption (PR #331)

1.2.1 -- 21 Feb. 2017

  • dstore: Fix data corruption bug in key overwrite cases
  • dstore: Performance and scalability fixes
  • sm: Use posix_fallocate() before mmap
  • pmi1/pmi2: Restore support
  • dstore: Fix extension slot size allocation (Issue #280)

1.2.0 -- 14 Dec. 2016

  • Add shared memory data storage (dstore) option. Default: enabled Configure option: --disable-dstore
  • PMIx_Commit performance improvements
  • Disable errhandler support
  • Keep job info in the shared memory dstore
  • PMIx_Get performance and memory improvements

1.1.5

  • Add pmix_version.h to support direct detection of PMIx library version
  • Fix support for Solaris 10 by using abstract version of strnlen
  • Fix native security module for Solaris by using getpeerucred in that environment
  • Ensure man pages don't get installed in embedded builds
  • Pass temporary directory locations in info keys instead of the environment

1.1.4

  • Properly increment the reference count for PMIx_Init
  • Fix examples so all run properly
  • Fix/complete PMI2 backward compatibility support to handle keys that are not associated with a specific rank
  • Do a better job of hiding non-API symbols
  • Correct handling of semi-colon terminations on macros. Thanks to Ashley Pittman for the patch
  • Add more man pages
  • Improve error checking and messages for connection attempts from client to server
  • If the tmpdir name is too long, provide an appropriate help message to the user (particularly relevant on Mac OSX). Thanks to Rainer Keller for the patch.
  • Fix some C++ compatibility issues
  • Fix/complete PMI-1 backward compatibility support
  • Do not install internal headers unless specifically requested to do so
  • Add support for multiple calls to Put/Commit

1.1.3

  • Update the symbol hiding file to cover all symbols
  • Fix examples and test directory Makefile.am's so the Makefiles are automatically built and the code compiled, but not installed
  • Do not install the pmix library in embedded use-cases

1.1.2

  • Provide a check for hwloc support - if not found, then don't pass any topology info down to the client as it won't know how to unpack it anyway.
  • Fix a few places where thread safety wasn't provided
  • Fix several issues identified by Paul Hargrove:
    • PMIx_Init(NULL) is supported
    • Incomplete PMIx_constants man page had some lingering cruft
    • Missing prototype for pmix_value_load
  • Fix race condition in PMIx_Get/PMIx_Get_nb
  • Fix double-free error in pmix_server_commit.
  • Fix PMIX_LOAD_BUFFER to be safe.

1.1.1

  • Fix an issue where the example and test programs were incorrectly being installed. Thanks to Orion Poplawski for reporting it

1.1.0

  • major update of APIs to reflect comments received from 1.0.0 non-production release
  • fixed thread-safety issues
  • fixed a range of pack/unpack issues
  • added unit tests for all APIs

1.0.0

Initial public release of draft APIs for comment - not production intended