library(Rmpi)
invisible(mpi.comm.dup(0, 1))
time.proc <- list()
time.proc$Robj <- system.time({
for(i in 1:1000){
y <- mpi.allgather.Robj(list(x = 1:10000))
}
mpi.barrier()
})
time.proc$matrix <- system.time({
for(i in 1:1000){
y <- mpi.allgather.Robj(matrix(1:10000, nrow = 100))
}
mpi.barrier()
})
if(mpi.comm.rank(1) == 0){
print(time.proc)
}
mpi.quit()
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