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OpenMP®: Support for the OpenMP language. The OpenMP subproject of LLVM contains the components required to build an executable OpenMP program that are outside the compiler itself. Here you can find :- the code for the runtime library against which code compiled by clang -fopenmp must be linked before it can run.
https://clang.llvm.org/docs/OpenMPSupport.html
59 rows · Clang fully supports OpenMP 4.5. Clang supports offloading to X86_64, AArch64, …
https://releases.llvm.org/9.0.0/tools/clang/docs/OpenMPSupport.html
OpenMP Support ¶ Clang supports the following OpenMP 5.0 features. The reduction-based clauses in the task and target-based directives. Support relational-op != (not-equal) as one of the canonical forms of random access iterator. Support for mapping of the lambdas in target regions. Parsing/sema analysis for the requires directive.
https://www.openmp.org/uncategorized/clang/
The Clang community has announced the availability of a full OpenMP 3.1 support implementation in the Clang compiler: “This project implements OpenMP support in the Clang C language family front-end for the LLVM compiler. The current scope of the project is to support the OpenMP 3.1 specification.”
http://releases.llvm.org/7.0.0/tools/clang/docs/OpenMPSupport.html
Clang chooses one of these two modes automatically based on the way directives and clauses on those directives are used. The SPMD mode uses a simplified set of runtime functions thus increasing performance at the cost of supporting some OpenMP features. The non-SPMD mode is the most generic mode and supports all currently available OpenMP features.
https://stackoverflow.com/questions/48276656/clang-llvm-enabling-openmp-support
Coming from Android Studio it was sufficient to add "-fopenmp" to the compiler flags. VS seems to support equal compilers in this template gcc 4.9 and clang 3.8. I read that under "Configuration Properties -> C/C++ -> Language" there should be an option to enable OpenMP support, but in case of this template the option is not there.
https://clang-omp.github.io/
To build clang with OpenMP support just follow the clang/LLVM compiler's standard build procedure (see Getting Started: Building and Running Clang). Using To use the newly installed compiler, add the following to your environment.
https://software.intel.com/en-us/forums/intel-open-source-openmp-runtime-library/topic/391189
Intel compilers include commitment to supporting more new OpenMP features than Microsoft, although full OpenMP 3.1 in Intel C++ front end may be a year away. There should be more OpenMP 4.0 features in Intel compiler release next week, and /Qopenmp-simd should be implied by /Qopenmp.
http://blog.llvm.org/2015/05/openmp-support_22.html
May 22, 2015 · OpenMP support in Clang compiler is completed! Every pragma and clause from 3.1 version of the standard is supported in full, including combined directives (like ‘#pragma omp parallel for’ and ‘#pragma omp parallel sections’). In addition, some elements of OpenMP 4.0 are supported as well. This includes “almost complete” support for ‘#pragma omp simd” and full support for ‘#pragma omp …
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