From SNIC Documentation
Pthreads, or POSIX threads, is a commonly used approach for parallelization for shared memory multiprocessor architectures.
Compared to OpenMP, Pthreads allows more detailed control of the threading. For example, when using OpenMP there is usually no need for programmer to explicitly "create" threads, while when using Pthreads threads are created by calling the function pthread_create(...).
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