Nothing
### SHELL> mpiexec -np 2 Rscript --vanilla [...]_rmpi.r
library(Rmpi)
invisible(mpi.comm.dup(0, 1))
source("./01_setting")
x <- 1:(N * .comm.size)
x.list <- split(x, rep(1:.comm.size, N))
time.proc <- list()
time.proc$Robj <- system.time({
for(i in 1:iter.total){
y <- mpi.scatter.Robj(x.list)
}
invisible(mpi.barrier())
})
time.proc$integer <- system.time({
for(i in 1:iter.total){
y <- mpi.scatter(as.integer(x), 1, integer(N))
}
invisible(mpi.barrier())
})
time.proc$double <- system.time({
for(i in 1:iter.total){
y <- mpi.scatter(as.double(x), 2, double(N))
}
invisible(mpi.barrier())
})
if(.comm.rank == 0){
print(time.proc)
}
mpi.quit()
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