added a benchmarking file

scott Chacon · scott Chacon · commit ba0f3cc565d0 · 2007-11-16T13:24:48.000-08:00
diff --git a/benchmark.rb b/benchmark.rb
@@ -0,0 +1,151 @@
+require 'fileutils'
+require 'benchmark'
+require 'rubygems'
+#require 'ruby-prof'
+#require_gem 'git', '1.0.2'
+require 'lib/git'
+
+def main
+  @wbare = File.expand_path(File.join('tests', 'files', 'working.git'))
+  
+  in_temp_dir do
+    g = Git.clone(@wbare, 'test')
+    g.chdir do
+      
+      n = 30
+      #result = RubyProf.profile do
+      
+      Benchmark.bm(8) do |x|
+        run_code(x, 'objects') do
+          @commit = g.gcommit('1cc8667014381')
+          @tree = g.gtree('1cc8667014381^{tree}')
+          @blob = g.gblob('v2.5:example.txt')
+          @obj = g.object('v2.5:example.txt')
+        end
+        
+                
+        x.report('config  ') do
+          n.times do
+            c = g.config
+            c = g.config('user.email')
+            c = g.config('user.email', 'schacon@gmail.com')
+          end
+        end
+        
+        x.report('diff    ') do
+          n.times do
+            g.diff('gitsearch1', 'v2.5').lines
+            g.diff('gitsearch1', 'v2.5').stats
+            g.diff('gitsearch1', 'v2.5').patch
+          end
+        end
+        
+        x.report('path    ') do
+          n.times do
+            g.dir.readable?
+            g.index.readable?
+            g.repo.readable?
+          end
+        end
+        
+        #------------------
+        x.report('status  ') do
+          n.times do
+            g.status['example.txt'].mode_index
+            s = g.status
+            s.added
+            s.added
+          end
+        end
+
+        #------------------
+        x.report('log     ') do
+          n.times do
+            log = g.log.between('v2.5').object('example.txt')
+            log.size
+            log.size
+            log.first
+            g.log.between('v2.5').object('example.txt').size
+            g.log.since("2 years ago").size
+          end
+        end
+
+        #------------------
+        x.report('branch  ') do
+          for i in 1..10 do
+            g.checkout('master')
+            g.branch('new_branch' + i.to_s).in_branch('test') do
+              g.current_branch
+              new_file('new_file_' + i.to_s, 'hello')
+              g.add
+              true
+            end
+            g.branch('new_branch').merge('new_branch' + i.to_s)
+            g.checkout('new_branch')
+          end
+        end
+        
+        #------------------
+        x.report('tree    ') do
+          for i in 1..10 do
+            tr = g.with_temp_index do
+               g.read_tree('new_branch' + i.to_s)
+               index = g.ls_files
+               g.write_tree
+             end
+          end
+        end
+
+        x.report('archive ') do
+          n.times do
+            f = g.gcommit('v2.6').archive # returns path to temp file
+          end
+        end rescue nil
+        
+      end
+    
+      #end
+
+      # Print a graph profile to text
+      #printer = RubyProf::FlatPrinter.new(result)
+      #printer.print(STDOUT, 0)
+      
+    end
+  end
+end
+
+
+def run_code(x, name, times = 30)
+  #result = RubyProf.profile do
+
+    x.report(name) do
+      for i in 1..times do
+        yield i
+      end
+    end
+  
+  #end
+  
+  # Print a graph profile to text
+  #printer = RubyProf::FlatPrinter.new(result)
+  #printer.print(STDOUT, 0)
+end
+
+def new_file(name, contents)
+  File.open(name, 'w') do |f|
+    f.puts contents
+  end
+end
+
+
+def in_temp_dir(remove_after = true)
+  filename = 'git_test' + Time.now.to_i.to_s + rand(300).to_s.rjust(3, '0')
+  tmp_path = File.join("/tmp/", filename)
+  FileUtils.mkdir(tmp_path)
+  Dir.chdir tmp_path do
+    yield tmp_path
+  end
+  FileUtils.rm_r(tmp_path) if remove_after
+end
+
+main()
