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Merge pull request #22889 from D-Alex:patch-1

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core: improve doc for setNumThreads
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Alexander Smorkalov 2023-04-07 16:37:40 +03:00 committed by GitHub
commit f5a92cb43f
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1 changed files with 4 additions and 4 deletions
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modules/core/include/opencv2/core/utility.hpp
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@ -179,11 +179,11 @@ CV_EXPORTS ErrorCallback redirectError( ErrorCallback errCallback, void* userdat
CV_EXPORTS String tempfile( const char* suffix = 0);
CV_EXPORTS void glob(String pattern, std::vector<String>& result, bool recursive = false);
/** @brief OpenCV will try to set the number of threads for the next parallel region.
/** @brief OpenCV will try to set the number of threads for subsequent parallel regions.
If threads == 0, OpenCV will disable threading optimizations and run all it's functions
sequentially. Passing threads \< 0 will reset threads number to system default. This function must
be called outside of parallel region.
If threads == 1, OpenCV will disable threading optimizations and run all it's functions
sequentially. Passing threads \< 0 will reset threads number to system default.
The function is not thread-safe. It must not be called in parallel region or concurrent threads.
OpenCV will try to run its functions with specified threads number, but some behaviour differs from
framework: