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OpenMP in operating System

Posted on December 6, 2021December 6, 2021 By christo No Comments on OpenMP in operating System

OpenMP is a set of compiler directives as well as an API for programs written in C, C++, or FORTRAN that provides support for parallel programming in shared-memory environments. OpenMP identifies parallel regions as blocks of code that may run in parallel. Application developers insert compiler directives into their code at parallel regions, and these directives instruct the OpenMP run-time library to execute the region in parallel. The following C program illustrates a compiler directive above the parallel region containing the printf() statement:

#include <omp.h>
#include <stdio.h>
int main(int argc, char *argv[])
{
/* sequential code */
#pragma omp parallel
{
printf("I am a parallel region.");
}
/* sequential code */
return 0;
}

When OpenMP encounters the directive

#pragma omp parallel
operating system Tags:OpenMP in operating System

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