### SHELL> mpiexec -np 2 Rscript --vanilla [...].r
### Initialize
suppressMessages(library(pbdMPI, quietly = TRUE))
.comm.size <- comm.size()
.comm.rank <- comm.rank()
### Examples.
N <- 100
x <- matrix((1:N) + N * .comm.rank, ncol = 10)
comm.print(x)
y <- pbdApply(x, 1, sum, pbd.mode = "mw")
comm.print(y)
y <- pbdApply(x, 1, sum, pbd.mode = "spmd")
comm.print(y)
### Finish.
finalize()
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