gistfile1.rb

# profile_test.rb

require 'abstract_unit'
require 'benchmark'
require 'benchmark/ips'
require 'ruby-prof'

class AController < ActionController::Base
  def index
    render html: 'ok'
  end
end

class AControllerTest < ActionDispatch::IntegrationTest
  def test_profile
    get 'https://www.example.com/a/index'
    assert_equal 'ok', response.body
  end
end

Benchmark.ips(30) do |bm|
  bm.report 'Fast' do
    Minitest.run_one_method(AControllerTest, 'test_profile')
  end
end

# Performance

guoxiang@guoxiang-GS60-2PC-Ghost actionpack (improve_performance_of_building_uri) $ for i in {1..3}; do ruby -Itest test/profile_test.rb; done
Calculating -------------------------------------
                Fast        95 i/100ms
-------------------------------------------------
                Fast      979.5 (±7.6%) i/s -      29260 in  30.037629s
Calculating -------------------------------------
                Fast        94 i/100ms
-------------------------------------------------
                Fast      973.5 (±7.7%) i/s -      29046 in  30.004998s
Calculating -------------------------------------
                Fast        93 i/100ms
-------------------------------------------------
                Fast      970.6 (±8.1%) i/s -      28923 in  29.987609s
guoxiang@guoxiang-GS60-2PC-Ghost actionpack (improve_performance_of_building_uri) $ for i in {1..3}; do ruby -Itest test/profile_test.rb; done
Calculating -------------------------------------
                Slow        90 i/100ms
-------------------------------------------------
                Slow      931.5 (±7.3%) i/s -      27810 in  30.007601s
Calculating -------------------------------------
                Slow        90 i/100ms
-------------------------------------------------
                Slow      935.1 (±7.3%) i/s -      27900 in  29.988782s
Calculating -------------------------------------
                Slow        89 i/100ms
-------------------------------------------------
                Slow      927.6 (±7.3%) i/s -      27679 in  29.996784s