Nothing
allow_partial_matching = list(
warnPartialMatchArgs = FALSE,
warnPartialMatchAttr = FALSE,
warnPartialMatchDollar = FALSE
)
set_encapsulation = function(learners, encapsulate) {
assert_choice(encapsulate, c(NA_character_, "none", "evaluate", "callr", "try"))
if (!is.na(encapsulate)) {
lapply(learners, function(learner) learner$encapsulate = c(train = encapsulate, predict = encapsulate))
if (encapsulate %in% c("evaluate", "callr")) {
task_type = unique(map_chr(learners, "task_type"))
stopifnot(length(task_type) == 1L) # this should not be possible for benchmarks
fb = get_featureless_learner(task_type)
if (!is.null(fb)) {
lapply(learners, function(learner) if (is.null(learner$fallback)) learner$fallback = fb$clone(TRUE))
}
}
}
learners
}
future_map = function(n, FUN, ..., MoreArgs = list()) {
if (getOption("mlr3.debug", FALSE)) {
lg$info("Running experiments sequentially in debug mode with %i iterations", n)
mapply(FUN, ..., MoreArgs = MoreArgs, SIMPLIFY = FALSE, USE.NAMES = FALSE)
} else {
is_sequential = inherits(plan(), "sequential")
scheduling = if (!is_sequential && isTRUE(getOption("mlr3.exec_random", TRUE))) structure(TRUE, ordering = "random") else TRUE
chunk_size = getOption("mlr3.exec_chunk_size", 1)
chunk_bins = getOption("mlr3.exec_chunk_bins")
if (!is.null(chunk_bins)) {
chunk_size = ceiling(n / chunk_bins)
}
stdout = if (is_sequential) NA else TRUE
lg$debug("Running resample() via future with %i iterations", n)
future.apply::future_mapply(
FUN, ..., MoreArgs = MoreArgs, SIMPLIFY = FALSE, USE.NAMES = FALSE,
future.globals = FALSE, future.packages = "mlr3", future.seed = TRUE,
future.scheduling = scheduling, future.chunk.size = chunk_size, future.stdout = stdout)
}
}
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