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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/03/15 15:39:24 UTC

[GitHub] [arrow] pitrou commented on a change in pull request #12633: ARROW-15929: [R] io_thread_count is actually the CPU thread count

pitrou commented on a change in pull request #12633:
URL: https://github.com/apache/arrow/pull/12633#discussion_r827123086



##########
File path: r/R/config.R
##########
@@ -26,7 +26,9 @@ cpu_count <- function() {
 #' @param num_threads integer: New number of threads for thread pool
 #' @export
 set_cpu_count <- function(num_threads) {
+  current_cpu_count <- cpu_count()
   SetCpuThreadPoolCapacity(as.integer(num_threads))
+  invisible(current_cpu_count)

Review comment:
       Out of curiosity, what does `invisible` do?




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