Message Passing Interface

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The Message Passing Interface (MPI) is a standardized and portable message-passing standard designed to function on parallel computing architectures.^[1] The MPI standard defines the syntax and semantics of library routines that are useful to a wide range of users writing portable message-passing programs in C, C++, and Fortran. There are several open-source MPI implementations, which fostered the development of a parallel software industry, and encouraged development of portable and scalable large-scale parallel applications.