View source: R/numActiveThreads.R
numActiveThreads | R Documentation |
This uses ps -ef
so only works on unix-alikes. It will search
for the percent CPU use and select only those above 40
numActiveThreads(pattern = "--slave", minCPU = 50)
pattern |
Character string that will be matched to the |
minCPU |
A numeric indicating what percent is the minimum to be considered "active" |
A numeric of the number of active threads that match the pattern
Eliot McIntire
## Not run: ## Determine how many threads are used in each remote machine in a cluster cores = "localhost" # put other machine names here uniqueCores <- unique(cores) cl <- future::makeClusterPSOCK(uniqueCores, revtunnel = TRUE) clusterExport(cl, "numActiveThreads") out <- clusterEvalQ(cl, { numActiveThreads() }) names(out) <- uniqueCores unlist(out) stopCluster(cl) ## End(Not run)
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