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What is HPC

What is HPC. High-performance computing (HPC) uses supercomputers and computer clusters to solve advanced computation problems. A supercomputer is a computer that is at the frontline of current processing capacity, particularly speed of calculation.

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What is HPC

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  1. What is HPC • High-performance computing (HPC) uses supercomputers and computer clusters to solve advanced computation problems. • A supercomputer is a computer that is at the frontline of current processing capacity, particularly speed of calculation. • A computer cluster is a group of linked computers, working together closely so that in many respects they form a single computer.

  2. What is Parallel Computing • Parallel computing is a form of computation in which many calculations are carried out simultaneously. • Operating on the principle that large problems can often be divided into smaller ones, which are then solved concurrently ("in parallel"). • The simultaneous execution of the same task (split up and specially adapted) on multiple processors in order to obtain faster results.

  3. What is MPI • The MPI (Message Passing Interface) standard defines a software library used to turn serial applications into parallel ones that can run on distributed memory systems. Typically these systems are clusters of servers or networks of workstations. • The standard was created by the MPI Forum (www.mpi-forum.org) in 1994 and is now the de facto standard for parallel programming.

  4. What is MPI • MPI-1 completed in May 1994 • MPI-2 completed in 1998 • parallel I/O • C++/F90 bindings • dynamic process management • full MPI-2 implementations only recently • MPI-2 features gradually added to MPI implementations

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