gistfile1.txt

#!/usr/bin/env ruby

require "rubygems"
require "bundler/setup"
require "celluloid/autostart"
require "benchmark"

class Worker
  include Celluloid

  def hashed(hash, key)
    hash[key]
  end
end

pool_10 = Worker.pool(size: 10)
pool_100 = Worker.pool(size: 100)
pool_1000 = Worker.pool(size: 1000)

hash  = {}

ENTRIES = 10_000

ENTRIES.times do |i|
  hash[i]  = i
end

TESTS = 400_000
Benchmark.bmbm do |ips|
  key = rand(10_000)

  GC.disable
  ips.report("pool - 10") do
    TESTS.times { pool_10.async.hashed(hash, key) }
  end

  GC.enable
  ips.report("pool - 100") do
      TESTS.times { pool_10.async.hashed(hash, key) }
  end

  GC.disable
  ips.report("pool - 1000") do
      TESTS.times { pool_10.async.hashed(hash, key) }
  end
end

# Rehearsal -----------------------------------------------
# pool - 10     1.000000   0.050000   1.050000 (  1.039771)
# pool - 100    1.390000   0.050000   1.440000 (  1.443683)
# pool - 1000   1.140000   0.040000   1.180000 (  1.186730)
# -------------------------------------- total: 3.670000sec
# 
# user     system      total        real
# pool - 10     1.560000   0.020000   1.580000 (  1.575798)
# pool - 100    1.950000   0.010000   1.960000 (  1.954645)
# pool - 1000   2.030000   0.040000   2.070000 (  2.073388)
# E, [2016-08-10T10:18:38.516512 #5035] ERROR -- : Couldn't cleanly terminate all actors in 10 seconds!