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source("incl/start.R")
library("listenv")
message("*** nbrOfWorkers() ...")
message("*** nbrOfWorkers() - local, interactive ...")
n <- nbrOfWorkers(batchtools_local)
message("Number of workers: ", n)
stopifnot(n == 1L)
n <- nbrOfWorkers(batchtools_interactive)
message("Number of workers: ", n)
stopifnot(n == 1L)
plan(batchtools_local)
n <- nbrOfWorkers()
message("Number of workers: ", n)
stopifnot(n == 1L)
plan(batchtools_interactive)
n <- nbrOfWorkers()
message("Number of workers: ", n)
stopifnot(n == 1L)
message("*** nbrOfWorkers() - local, interactive ... DONE")
ncores <- availableCores("multicore")
if (ncores >= 2L) {
message("*** nbrOfWorkers() - multicore ...")
n <- nbrOfWorkers(batchtools_multicore)
message("Number of workers: ", n)
stopifnot(n == ncores)
plan(batchtools_multicore)
n <- nbrOfWorkers()
message("Number of workers: ", n)
stopifnot(n == ncores)
workers <- min(2L, ncores)
plan(batchtools_multicore, workers = workers)
n <- nbrOfWorkers()
message("Number of workers: ", n)
stopifnot(n == workers)
message("*** nbrOfWorkers() - multicore ... DONE")
} ## if (ncores >= 2L)
message("*** nbrOfWorkers() - templates ...")
## Test with +Inf workers
options(future.batchtools.workers = +Inf)
n <- nbrOfWorkers(batchtools_lsf)
message("Number of workers: ", n)
stopifnot(is.infinite(n))
n <- nbrOfWorkers(batchtools_openlava)
message("Number of workers: ", n)
stopifnot(is.infinite(n))
n <- nbrOfWorkers(batchtools_sge)
message("Number of workers: ", n)
stopifnot(is.infinite(n))
n <- nbrOfWorkers(batchtools_slurm)
message("Number of workers: ", n)
stopifnot(is.infinite(n))
n <- nbrOfWorkers(batchtools_torque)
message("Number of workers: ", n)
stopifnot(is.infinite(n))
message("*** nbrOfWorkers() - templates ... DONE")
message("*** nbrOfWorkers() - custom ...")
cf <- batchtools::makeClusterFunctionsInteractive(external = TRUE)
str(cf)
plan(batchtools_custom, cluster.functions = cf)
n <- nbrOfWorkers()
message("Number of workers: ", n)
stopifnot(n == 1L)
message("*** nbrOfWorkers() - custom ... DONE")
message("*** nbrOfWorkers() ... DONE")
source("incl/end.R")
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