![]() cctor) is run, it detects if the process is compiled using /openmp, and if the app is loaded into a non-default runtime. Multiple application domains aren't supported. ![]() The option isn't compatible with /clr or /ZW.Īpplications compiled by using both /openmp and /clr can only be run in a single application domain process. For more information, see Improved OpenMP Support for C++ in Visual Studio.Ĭurrently, the /openmp:llvm option only works on the 圆4 architecture. It also supports unsigned integer indices in parallel for loops according to the OpenMP 3.0 standard. And, it supports all the SIMD directives supported by the /openmp:experimental option. The option supports the same OpenMP 2.0 directives as /openmp. Support currently isn't available for production code, since the required libomp DLLs aren't redistributable. Starting in Visual Studio 2019 version 16.9, you can use the experimental /openmp:llvm option instead of /openmp to target the LLVM OpenMP runtime. This option enables both the usual OpenMP features, and OpenMP SIMD features not available when using the /openmp switch. To use SIMD, compile by using the /openmp:experimental option. However, Visual Studio 2019 also now offers SIMD functionality. ![]() The C++ compiler currently supports the OpenMP 2.0 standard.
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