defaultNumberOfThreads  216 modules/core/src/parallel_pthreads.cpp     size_t defaultNumberOfThreads();
defaultNumberOfThreads  382 modules/core/src/parallel_pthreads.cpp         setNumOfThreads(defaultNumberOfThreads());
defaultNumberOfThreads  526 modules/core/src/parallel_pthreads.cpp             n = defaultNumberOfThreads();