'All parallel processes in foreach loop in R generating same results
I use foreach() loop to generate random arrays in parallel. But I am getting same results in all parallel process. How do I add randomness in each parallel process so that each process is different from each other?
library(doFuture)
library(foreach)
# Parallel programming
registerDoFuture()
plan(multicore, workers = 3)
res = foreach(iter = 1:3) %dopar%
{
# generate random array
x = runif(n = 5)
}
All arrays generated in parallel are same
> res
[[1]]
[1] 0.55882648 0.73863525 0.51284839 0.01454722 0.08909375
[[2]]
[1] 0.55882648 0.73863525 0.51284839 0.01454722 0.08909375
[[3]]
[1] 0.55882648 0.73863525 0.51284839 0.01454722 0.08909375
Sources
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