OpenMP Articles

What is OpenMP?

Arnab Chakraborty

Updated on 15-Mar-2026 8K+ Views

OpenMP (Open Multi-Processing) is a set of compiler directives and 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 concurrently across multiple threads. Syntax #pragma omp parallel { // Code block to execute in parallel } How OpenMP Works 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. When OpenMP encounters the #pragma ...