August 17, 2016: New code release
We are excited to announce the next release of the Intel® OpenMP* Runtime Library at openmprtl.org. This release aligns with Intel® Parallel Studio XE 2017 Composer Edition
New Features:
- OpenMP* 4.5 nonmonotonic modifier for schedule dynamic and guided support
Bug Fixes:
- Hang when tasks with nested parallelism are used fixed
- task depend for single thread improved
- KMP_PLACE_THREADS environment variable renamed into KMP_HW_SUBSET with similar functionality
- KMP_HW_SUBSET for disabled hyper-threading fixed
- KMP_HW_SUBSET for KMP_AFFINITY=none is supported
- Performance of single construct improved on Intel(R) Xeon Phi.
- TAS lock backoff code improved for non-x86 architectures
Contributions:
- Paul Osmialowski (ARM) improved futex lock implementation.
- Hal Finkel (ANL) fixed the build on non-x86 architectures.
- Jonas Hahnfeld (RWTH) improved reporting for OMPT events and parallel/task ids.
- Joachim Protze (RWTH) added OMPT frame information report for taskwait.
- Harald Servat (BSC) added support for OMPT task dependences events.
- Tim Cramer (RWTH) added support for OMPT lock events.
March 29, 2016: New code release
We are excited to announce the next release of the Intel® OpenMP* Runtime Library at openmprtl.org. This release aligns with Intel® Parallel Studio XE 2016 Composer Edition Update 3.
New Features
- OpenMP* 4.5 schedule(simd:static) support
Bug Fixes
- Hwloc topology discovery improved
- Spin backoff mechanism fixed in lock code
- Plain barrier performance improved on Intel(R) Xeon Phi
Contributions
- Samual Antao (IBM) contributed a patch to initialize variables to silence complaints from static analyzers
February 25, 2016: New code release
We are excited to announce the next release of the Intel® OpenMP* Runtime Library at openmprtl.org. This release aligns with Intel® Parallel Studio XE 2016 Composer Edition Update 2
New Features:
- Hwloc* 2.0 support added for affinity interface
- OMPT support for windows
- Support for untied tasks
- OpenMP* 4.5 doacross, taskloop, and new affinity API
Bug Fixes:
- Indirect lock pool cleanup fix
- Task dependencies performance improvements
- OMP_PROC_BIND spread strategy fix for master thread
- @rpath added to install name to alleviate problem using DYLD_LIBRARY_PATH on Mac OS X* 10.11 (El Capitan).
Contributions:
- NetBSD* port by Joerg Sonnenberger (NetBSD*)
- Fork-join barrier performance improvement by Diego Caballero (Barcelona Supercomputing Center)