July 2017
Intermediate to advanced
244 pages
6h 33m
English
Content preview from Mastering C++ Multithreading
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Running the job
Running an MPI job across multiple MPI nodes is basically the same as executing it only locally, as in the example earlier in this chapter:
$ mpirun --hostfile my_hostfile hello_mpi_world
This command would tell the MPI launcher to use a host file called my_hostfile and run a copy of the specified MPI application on each processor of each node found in that host file.
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