How to disable openMP with Matlab Coder?
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I want to use Matlab Coder to compile a function that will not profit much from multithreading. Although I use
codegen -O disable:openmp
the resulting C source includes omp.h and tries to find vcompXXX.dll when run.
How can I switch off OpenMP use completely?
System: Matlab Coder 2016a/Windows 10/Visual C++ 2013
Risposte (1)
Ryan Livingston
il 1 Mar 2017
Try:
cfg = coder.config('dll');
cfg.EnableOpenMP = false;
codegen -config cfg ...
3 Commenti
Jingyang Yan
il 18 Feb 2022
In MATLABT R2021b version, even I disable the OpenMP libarart if possible, the omp.h file is still included in the header files.
Joe Barrus
il 8 Gen 2024
Modificato: Joe Barrus
il 8 Gen 2024
In MATLAB 2023b, with All Settings --> Advanced --> Enable OpenMP library if possible --> No, Coder still generates #include "omp.h" and generates omp_nest_lock_t variable.
If I generate a new Coder project file from scratch and select No to "Enable OpenMP library if possible" it seems to work, but changing that setting after initial creation does not seem to work.
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