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Editor: TobiasBurnus
Comment: Link to OpenMP 3.1
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Editor: TobiasBurnus
Comment: Update link to OpenMP testsuite
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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. The OpenMP 3.1 draft is being implemented in the `[[http://gcc.gnu.org/viewcvs/branches/gomp-3_1-branch/|gomp-3_1-branch]]`. 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. The OpenMP 3.1 is supported since GCC 4.7.
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 * [[http://www.openmp.org/mp-documents/OpenMP3.1.pdf|OpenMP v3.1 standard]] (July 2011)  * [[http://www.openmp.org/mp-documents/OpenMP3.1.pdf|OpenMP v3.1 standard]] (July 2011) ([[http://openmp.org/forum/viewforum.php?f=10|OpenMP 3.1 API forum]])
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= Test Suites and Benchmarks =

 * [[http://www.hlrs.de/organization/people/niethammer/projects/openmp-validation-suite/|OpenMP Validation Suite]] by HLRS, Univ. Stuttgart and Univ. of Houston (2007 version at UH: [[http://www2.cs.uh.edu/~openuh/OpenMPValidation_README|README]], [[http://www2.cs.uh.edu/~openuh/download/register.shtml|Download]])
 * [[http://nanos.ac.upc.edu/content/barcelona-openmp-task-suite|OpenMP task test suite]] by BSC
 * [[http://www.spec.org/omp/|SPEC OMP]]
 * [[http://www.epcc.ed.ac.uk/software-products/epcc-openmp-benchmarks|EPCC Microbenchmarks]]
 * [[http://www.nas.nasa.gov/Resources/Software/npb.html|NAS Benchmarks]] ([[http://www.hpcs.cs.tsukuba.ac.jp/omni-openmp/download/download-benchmarks.html|unofficial C version]])
 * [[https://computation.llnl.gov/casc/RTS_Report/openmp_perf.html|LLNL benchmark]]
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 * OpenMP v3.1 -- [[http://openmp.org/wp/2011/02/31-draft-specs-ready-for-public-comment/|draft spec available (since February 7, 2011)]]; note than work on OpenMP v3.1 has started on the [[http://gcc.gnu.org/viewcvs/branches/gomp-3_1-branch/|gomp-3_1-branch]]
 * 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]].
 * [[http://gcc.gnu.org/ml/gcc-patches/2011-08/msg00080.html|taskyield is a stub and mergeable task clonning could be optimized]]
 * 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]]. See also IWOMP 2012's [[http://www.ncsa.illinois.edu/Conferences/IWOMP11/program/program.html|talks]] and the [[http://www.ncsa.illinois.edu/Conferences/IWOMP11/program/presentations/supinski.pdf|committee report]].

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. The OpenMP 3.1 is supported since GCC 4.7.

OpenMP Documentation

Automatic Parallelization

(-ftree-parallelize-loops)

  • Streamization

Test Suites and Benchmarks

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)