[PATCH] D69909: [OPENMP] [DOCS] fix section formatting issues [NFC]

Kelvin Li via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Wed Nov 6 19:11:03 PST 2019


This revision was automatically updated to reflect the committed changes.
Closed by commit rG9f10cc2d124c: [OPENMP] [DOCS] fix section formatting issues [NFC] (authored by kkwli0).
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69909/new/

https://reviews.llvm.org/D69909

Files:
  clang/docs/OpenMPSupport.rst


Index: clang/docs/OpenMPSupport.rst
===================================================================
--- clang/docs/OpenMPSupport.rst
+++ clang/docs/OpenMPSupport.rst
@@ -13,9 +13,8 @@
 .. contents::
    :local:
 
-==================
 OpenMP Support
-==================
+==============
 
 Clang fully supports OpenMP 4.5. Clang supports offloading to X86_64, AArch64,
 PPC64[LE] and has `basic support for Cuda devices`_.
@@ -30,7 +29,7 @@
 For the list of supported features from OpenMP 5.0 see `OpenMP implementation details`_.
 
 General improvements
---------------------
+====================
 - New collapse clause scheme to avoid expensive remainder operations.
   Compute loop index variables after collapsing a loop nest via the
   collapse clause by replacing the expensive remainder operation with
@@ -47,6 +46,13 @@
 - Simplified SPMD code generation for `distribute parallel for` when
   the new default schedules are applicable.
 
+- When using the collapse clause on a loop nest the default behavior
+  is to automatically extend the representation of the loop counter to
+  64 bits for the cases where the sizes of the collapsed loops are not
+  known at compile time. To prevent this conservative choice and use
+  at most 32 bits, compile your program with the
+  `-fopenmp-optimistic-collapse`.
+
 .. _basic support for Cuda devices:
 
 Cuda devices support
@@ -77,15 +83,6 @@
 between the threads and it is user responsibility to share the required data
 between the threads in the parallel regions.
 
-Collapsed loop nest counter
----------------------------
-
-When using the collapse clause on a loop nest the default behavior is to
-automatically extend the representation of the loop counter to 64 bits for
-the cases where the sizes of the collapsed loops are not known at compile
-time. To prevent this conservative choice and use at most 32 bits,
-compile your program with the `-fopenmp-optimistic-collapse`.
-
 
 Features not supported or with limited support for Cuda devices
 ---------------------------------------------------------------
@@ -112,7 +109,7 @@
 .. _OpenMP implementation details:
 
 OpenMP 5.0 Implementation Details
----------------------------------
+=================================
 
 The following table provides a quick overview over various OpenMP 5.0 features
 and their implementation status. Please contact *openmp-dev* at


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