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brenhinkeller/mpihello.jl

Created July 12, 2023 17:51
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mpihello.jl
# run with e.g. mpiexec -np 8 julia ./mpihello.jl
using MPI
MPI.Init()
comm = MPI.COMM_WORLD
size = MPI.Comm_size(comm)
rank = MPI.Comm_rank(comm)
print("Hello from $rank of $size processors!\n")
MPI.Finalize()
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