omp_get_max_threads

 

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Returns an integer that is equal to or greater than the number of threads that would be available if a parallel region without num_threads were defined at that point in the code.

Syntax

int omp_get_max_threads
( )  

Remarks

For more information, see 3.1.3 omp_get_max_threads Function.

Example

// omp_get_max_threads.cpp  
// compile with: /openmp  
#include <stdio.h>  
#include <omp.h>  
  
int main( )   
{  
    omp_set_num_threads(8);  
    printf_s("%d\n", omp_get_max_threads( ));  
    #pragma omp parallel  
        #pragma omp master  
        {  
            printf_s("%d\n", omp_get_max_threads( ));  
        }  
  
    printf_s("%d\n", omp_get_max_threads( ));  
  
    #pragma omp parallel num_threads(3)  
        #pragma omp master  
        {  
            printf_s("%d\n", omp_get_max_threads( ));  
        }  
  
    printf_s("%d\n", omp_get_max_threads( ));  
}  

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See Also

Functions