Dear expeRts,
This is a similar post as on R-SIG-MAC [I didn't receive an answer there; not
sure if it was the right place to post either].
I'm running R version 2.12.1 (Platform: x86_64-apple-darwin9.8.0/x86_64
(64-bit))
on a MacBook Pro under Mac OS X 10.6.6. The following minimal example runs fine
under this setup. However, if I am connected to a server via a VPN client
[Cisco AnyConnect; same with Apple's internal VPN connection], then the minimal
example hangs and just does not do anything. The "red button" in the R Console
is dark red [normal behavior if R is running], so R tries to do something, but
cannot succeed. CPU goes up to 100%... Same happens if I start the job from the
command line via R CMD BATCH. What's going on? Is this a known issue?
Cheers,
Marius
library(doSNOW)
library(Rmpi)
library(rlecuyer)
library(foreach)
cl <- makeCluster(mpi.universe.size(), type ="MPI")
tmp <- clusterSetupRNG(cl, seed=rep(1,6))
registerDoSNOW(cl)
counter <- 0
res <- foreach(k = 1:1000) %do% {
counter <- counter + 1
}
tmp <- stopCluster(cl)
unlist(res)
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