MPI MPI â a first example Point-to-point communication Point-to ... - KTH
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MPI MPI â a first example Point-to-point communication Point-to ... - KTH
A distributed vector. Assume that we have a one-dimensional grid distributed over n processes. Let y be defined on the g
2D1263 : Scientific Computing
Lecture 10
(1)
2D1263 : Scientific Computing
(2)
MPI – a first example
MPI
#include #include int main(int argc, char **argv) { int rank; int size;
All communication occurs within a communicator (MPI Comm), or group of processes, where each process has a unique identifier. The predefined communicator MPI COMM WORLD contains all processes.
