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Editor: TobiasBurnus
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 * OpenMP v3.1, when released ("The OpenMP ARB has [[ftp://ftp.nag.co.uk/sc22wg5/N1801-N1850/N1817.txt|started]] developing OpenMP 3.1, which was scheduled to be released for public review at [[http://www.ccs.tsukuba.ac.jp/workshop/IWOMP2010/|IWOMP, the International Workshop for OpenMP]], in June 2010. This update will include clarifications, and several extensions.")<br>The release of a public draft has been delayed and is now planed to be now available before [[http://sc10.supercomputing.org/|Supercomputing 2010]] (= before mid of November).<br>For the new features, see also the [[http://www.springerlink.com/content/978-3-642-13216-2|OWOMP 2010 proceedings]] and a [[http://www-949.ibm.com/software/rational/cafe/blogs/ccpp-parallel-multicore/2010/06/21/the-view-from-iwomp-2010-trip-report|blog entry]], and the [[http://www.ccs.tsukuba.ac.jp/workshop/IWOMP2010/slides/de_Supinski-IWOMP10_State_of_LC.pdf|Status of OpenMP 3.1 and 4.0]] slides (OWOMP 2010 [[http://www.ccs.tsukuba.ac.jp/workshop/IWOMP2010/program.html|slides]] and [[http://www.ccs.tsukuba.ac.jp/workshop/IWOMP2010/tutorial.html|tutorials]]). Especially, user-defined reductions (a major item), affinity, atomics extensions (support capture/write), and task scheduling items (`taskyield` construct, `final` clause) are to be expected.  * OpenMP v3.1 -- [[http://openmp.org/wp/2011/02/31-draft-specs-ready-for-public-comment/|draft spec available (since February 5, 2011)]]
 * OpenMP 4.0 -- when available. Cf. slides at the [[http://www.ccs.tsukuba.ac.jp/workshop/IWOMP2010/|IWOMP, the International Workshop for OpenMP]] ([[http://www.ccs.tsukuba.ac.jp/workshop/IWOMP2010/program.html|slides]] and [[http://www.ccs.tsukuba.ac.jp/workshop/IWOMP2010/tutorial.html|tutorials]]) in June 2010 and the [[http://www.springerlink.com/content/978-3-642-13216-2|OWOMP 2010 proceedings]]. There is also a [[http://www-949.ibm.com/software/rational/cafe/blogs/ccpp-parallel-multicore/2010/06/21/the-view-from-iwomp-2010-trip-report|blog entry]].

OpenMP

This page contains information on GCC's implementation of the OpenMP standard and related functionality like the auto parallelizer (-ftree-parallelize-loops).

As of GCC 4.2, the compiler implements version 2.5 of the OpenMP standard and as of 4.4 it implements version 3.0 of the OpenMP standard.

OpenMP Documentation

Automatic Parallelization

(-ftree-parallelize-loops)

  • Streamization

TODO List

Feel free to add new items to this list as you run into issues or features that would be interesting to add. Send mail to the list and/or the GCC OpenMP maintainers if any item in this list sounds interesting but is hard to understand.

None: openmp (last edited 2021-11-10 07:04:00 by TobiasBurnus)