OpenMP is an API for shared-memory MIMD programming. The “MP” in OpenMP stands for “multiprocessing,” a term that is synonymous with shared-memory MIMD computing. Thus OpenMP is designed for systems in which each thread or process can potentially have access to all available memory, and when we’re programming with OpenMP, we view our system as a collection of autonomous cores or CPUs, all of which have access to main memory, as in Fig. 5.1.
fig. 5.1
Getting Started
To specify a code region to be parallelized, have to include #pragma pragma
