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60447
2012 Aug 21
1
parLapply fails to detect default cluster?
invoking parLapply without a cluster fails to find a previously
registered cluster
> library(parallel)
> setDefaultCluster(makePSOCKcluster(2))
> parLapply(X=1:2, fun=function(...) {})
Error in cut.default(i, breaks) : invalid number of intervals
This is because in parLapply length(cl) is determined before
defaultCluster(cl) is called. By inspection, this appears to be true of