config.vm.provider :virtualbox do |vb| vb.customize ["modifyvm", :id, "--memory", "1024", "--cpus", "4", "--ioapic", "on"] end require "digest/md5" require "securerandom" require 'benchmark' pcount = 4 def single(pcount) (pcount - 1).times do arr = [] 100000.times do arr << Digest::MD5.digest(SecureRandom.uuid) end end end def multi(pcount) pids = [] (pcount - 1).times do # プロセス生成 pids << fork do