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by uguuo_o
1094 days ago
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It is not a single language. c, C++, Fortran are the most commonly used. The communication happens using one of many versions of the message passing interface [0] (MPI). MPI essentially spawns child processes and a communication ring between nodes using whichever interconnect is available (usually infoniband). [0] https://en.m.wikipedia.org/wiki/Message_Passing_Interface |
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