[clang] c85d516 - [Clang][OpenMP][Doc] Update OpenMPSupport.rst (#122174)

via cfe-commits cfe-commits at lists.llvm.org
Thu Jan 9 06:33:42 PST 2025


Author: CatherineMoore
Date: 2025-01-09T08:33:37-06:00
New Revision: c85d5163b1d204d5886010e6640654721925a84e

URL: https://github.com/llvm/llvm-project/commit/c85d5163b1d204d5886010e6640654721925a84e
DIFF: https://github.com/llvm/llvm-project/commit/c85d5163b1d204d5886010e6640654721925a84e.diff

LOG: [Clang][OpenMP][Doc] Update OpenMPSupport.rst (#122174)

This patch adds a section for OpenMP 6.0 features.

---------

Co-authored-by: Joseph Huber <huberjn at outlook.com>

Added: 
    

Modified: 
    clang/docs/OpenMPSupport.rst

Removed: 
    


################################################################################
diff  --git a/clang/docs/OpenMPSupport.rst b/clang/docs/OpenMPSupport.rst
index 6703e1f55d8f19..a1cb7fe359ebf8 100644
--- a/clang/docs/OpenMPSupport.rst
+++ b/clang/docs/OpenMPSupport.rst
@@ -345,6 +345,124 @@ implementation.
 | task                         | nowait clause on taskwait                                    | :part:`partial`          | parsing/sema done: D131830, D141531                                   |
 +------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+
 
+
+.. _OpenMP 6.0 implementation details:
+
+OpenMP 6.0 Implementation Details
+=================================
+
+The following table provides a quick overview over various OpenMP 6.0 features
+and their implementation status. Please post on the
+`Discourse forums (Runtimes - OpenMP category)`_ for more
+information or if you want to help with the
+implementation.
+
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+|Feature                                                      | C/C++ Status              |  Fortran Status           | Reviews                                                                  |
++=============================================================+===========================+===========================+==========================================================================+
+| free-agent threads                                          | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Recording of task graphs                                    | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Parallel inductions                                         | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| init_complete for scan directive                            | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Loop transformation constructs                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| work distribute construct                                   | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| task_iteration                                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| memscope clause for atomic and flush                        | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| transparent clause (hull tasks)                             | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| rule-based compound directives                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| C23, C++23                                                  | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Fortran 2023                                                | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| decl attribute for declarative directives                   | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| C attribute syntax                                          | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| pure directives in DO CONCURRENT                            | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Optional argument for all clauses                           | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Function references for locator list items                  | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| All clauses accept directive name modifier                  | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Extensions to depobj construct                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Extensions to atomic construct                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Private reductions                                          | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Self maps                                                   | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Release map type for declare mapper                         | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Extensions to interop construct                             | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| no_openmp_constructs                                        | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| safe_sync and progress with identifier and API              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| OpenMP directives in concurrent loop regions                | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| atomics constructs on concurrent loop regions               | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Loop construct with DO CONCURRENT                           | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| device_type clause for target construct                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| nowait for ancestor target directives                       | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| New API for devices' num_teams/thread_limit                 | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Host and device environment variables                       | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| num_threads ICV and clause accepts list                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Numeric names for environment variables                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Increment between places for OMP_PLACES                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| OMP_AVAILABLE_DEVICES envirable                             | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Traits for default device envirable                         | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Optionally omit array length expression                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Canonical loop sequences                                    | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Clarifications to Fortran map semantics                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| default clause at target construct                          | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| ref count update use_device_{ptr, addr}                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Clarifications to implicit reductions                       | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| ref modifier for map clauses                                | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| map-type modifiers in arbitrary position                    | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| atomic constructs in loop region                            | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Lift nesting restriction on concurrent loop                 | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| priority clause for target constructs                       | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| changes to target_data construct                            | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Non-const do_not_sync for nowait/nogroup                    | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+
 OpenMP Extensions
 =================
 


        


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