Intel Xeon E5-2680v2, Ivy Bridge, 20C/40T

32G DRAM

5.10.0-3-amd64 #1 SMP Debian 5.10.12-1 (2021-01-30) x86_64 GNU/Linux

Ruby 3.0.0

正常运行

require 'digest/md5'
e = (1..1_000_000).to_a
arr = [e,e,e,e]

result = arr.map { |sub_arr|
  Ractor.new(sub_arr) do |sub_arr|
    sub_arr.map {
      Digest::MD5.hexdigest(rand.to_s)
    }
  end
}.map{|r| r.take}.reduce(:+)