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(v2.1.1.9253) parallel computing

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dr. M.S. (Matthijs) Berends
2025-04-26 15:47:00 +02:00
parent abee2a954e
commit 4e7fca3b38
13 changed files with 2311 additions and 44 deletions
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22
R/aa_helper_functions.R
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@ -1589,6 +1589,28 @@ readRDS_AMR <- function(file, refhook = NULL) {
readRDS(con, refhook = refhook)
}
get_n_cores <- function(max_cores = Inf) {
if (pkg_is_available("parallelly", min_version = "0.8.0", also_load = FALSE)) {
available_cores <- import_fn("availableCores", "parallelly")
n_cores <- min(available_cores(), na.rm = TRUE)
} else {
# `parallel` is part of base R since 2.14.0, but detectCores() is not very precise on exotic systems like Docker and quota-set Linux environments
n_cores <- parallel::detectCores()[1]
if (is.na(n_cores)) {
n_cores <- 1
}
}
max_cores <- floor(max_cores)
if (max_cores == 0) {
n_cores <- 1
} else if (max_cores < 0) {
n_cores <- max(1, n_cores - abs(max_cores))
} else if (max_cores > 0) {
n_cores <- min(n_cores, max_cores)
}
n_cores
}
# Faster data.table implementations ----
match <- function(x, table, ...) {