benchmark.rb

   1 require 'fileutils'
   2 require 'benchmark'
   3 require 'rubygems'
   4 require 'ruby-prof'
   5 require_gem 'git', '1.0.3'
   6 #require 'lib/git'
   7
   8 def main
   9   @wbare = File.expand_path(File.join('tests', 'files', 'working.git'))
  10
  11   in_temp_dir do
  12     g = Git.clone(@wbare, 'test')
  13     g.chdir do
  14
  15       n = 40
  16       result = RubyProf.profile do
  17       puts "<pre>"
  18
  19       Benchmark.bm(8) do |x|
  20         run_code(x, 'objects') do
  21           @commit = g.gcommit('1cc8667014381')
  22           @tree = g.gtree('1cc8667014381^{tree}')
  23           @blob = g.gblob('v2.5:example.txt')
  24           @obj = g.object('v2.5:example.txt')
  25         end
  26
  27
  28         x.report('config  ') do
  29           n.times do
  30             c = g.config
  31             c = g.config('user.email')
  32             c = g.config('user.email', 'schacon@gmail.com')
  33           end
  34         end
  35
  36         x.report('diff    ') do
  37           n.times do
  38             g.diff('gitsearch1', 'v2.5').lines
  39             g.diff('gitsearch1', 'v2.5').stats
  40             g.diff('gitsearch1', 'v2.5').patch
  41           end
  42         end
  43
  44         x.report('path    ') do
  45           n.times do
  46             g.dir.readable?
  47             g.index.readable?
  48             g.repo.readable?
  49           end
  50         end
  51
  52         #------------------
  53         x.report('status  ') do
  54           n.times do
  55             g.status['example.txt'].mode_index
  56             s = g.status
  57             s.added
  58             s.added
  59           end
  60         end
  61
  62         #------------------
  63         x.report('log     ') do
  64           n.times do
  65             log = g.log.between('v2.5').object('example.txt')
  66             log.size
  67             log.size
  68             log.first
  69             g.log.between('v2.5').object('example.txt').size
  70             g.log.since("2 years ago").size
  71           end
  72         end
  73
  74         #------------------
  75         x.report('branch  ') do
  76           for i in 1..10 do
  77             g.checkout('master')
  78             g.branch('new_branch' + i.to_s).in_branch('test') do
  79               g.current_branch
  80               new_file('new_file_' + i.to_s, 'hello')
  81               g.add
  82               true
  83             end
  84             g.branch('new_branch').merge('new_branch' + i.to_s)
  85             g.checkout('new_branch')
  86           end
  87         end
  88
  89         #------------------
  90         x.report('tree    ') do
  91           for i in 1..10 do
  92             tr = g.with_temp_index do
  93                g.read_tree('new_branch' + i.to_s)
  94                index = g.ls_files
  95                g.write_tree
  96              end
  97           end
  98         end rescue nil
  99
 100         x.report('archive ') do
 101           n.times do
 102             f = g.gcommit('v2.6').archive # returns path to temp file
 103           end
 104         end rescue nil
 105
 106
 107       end
 108
 109       end
 110
 111       # Print a graph profile to text
 112       puts "</pre>"
 113       printer = RubyProf::GraphHtmlPrinter.new(result)
 114       printer.print(STDOUT, 1)
 115       printer = RubyProf::FlatPrinter.new(result)
 116       puts "<pre>"
 117       printer.print(STDOUT, 1)
 118       puts "</pre>"
 119     end
 120   end
 121 end
 122
 123
 124 def run_code(x, name, times = 30)
 125   #result = RubyProf.profile do
 126
 127     x.report(name) do
 128       for i in 1..times do
 129         yield i
 130       end
 131     end
 132
 133   #end
 134
 135   # Print a graph profile to text
 136   #printer = RubyProf::FlatPrinter.new(result)
 137   #printer.print(STDOUT, 0)
 138 end
 139
 140 def new_file(name, contents)
 141   File.open(name, 'w') do |f|
 142     f.puts contents
 143   end
 144 end
 145
 146
 147 def in_temp_dir(remove_after = true)
 148   filename = 'git_test' + Time.now.to_i.to_s + rand(300).to_s.rjust(3, '0')
 149   tmp_path = File.join("/tmp/", filename)
 150   FileUtils.mkdir(tmp_path)
 151   Dir.chdir tmp_path do
 152     yield tmp_path
 153   end
 154   FileUtils.rm_r(tmp_path) if remove_after
 155 end
 156
 157 main()