New code release

Wednesday, August 17, 2016

We are excited to announce the next release of the Intel® OpenMP* Runtime Library at 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


  • 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.