Accurate visual benchmarks

README.md

@@ -120,6 +120,14 @@ Or install it yourself as:
 
 **MAC USERS:** At the moment Mac users need to install the extension manualy.  Go to the gem directory and run `cargo build --release` .  There is an issue opened for this and I'm looking for people who have Macs to help on this.
 
+## Visual Benchmarks
+
+Benchmarks in Faster Path now produce visual graph charts of performance improvements.
+When you run `rake bench` the graph art will be placed in `doc/graph/`.  Here's the performance
+improvement result  for the `chop_basename` method.
+
+![Visual Benchmark](https://raw.githubusercontent.com/danielpclark/faster_path/master/assets/chop_basename_benchmark.jpg "Visual Benchmark")
+
 ## Usage
 
 Current methods implemented:

test/benches/absolute_benchmark.rb

@@ -13,6 +13,7 @@ def bench_rust_absolute?
         FasterPath.absolute?("goodbye")
       end
     end
+    TIMER[__FILE__].rust.mark
   end
 
   def bench_ruby_absolute?
@@ -23,5 +24,6 @@ def bench_ruby_absolute?
         Pathname.new("goodbye").absolute?
       end
     end
+    TIMER[__FILE__].ruby.mark
   end
 end

test/benches/add_trailing_separator_benchmark.rb

@@ -13,6 +13,7 @@ def bench_rust_add_trailing_separator
         FasterPath.add_trailing_separator('/hello/world/')
       end
     end
+    TIMER[__FILE__].rust.mark
   end
 
   def bench_ruby_add_trailing_separator
@@ -23,6 +24,7 @@ def bench_ruby_add_trailing_separator
         Pathname.allocate.send(:add_trailing_separator, '/hello/world/')
       end
     end
+    TIMER[__FILE__].ruby.mark
   end
 end
 

test/benches/basename_benchmark.rb

@@ -14,6 +14,7 @@ def bench_rust_basename
         FasterPath.basename('/home/gumby/work/ruby.rb', '.*')
       end
     end
+    TIMER[__FILE__].rust.mark
   end
 
   def bench_ruby_basename
@@ -25,5 +26,6 @@ def bench_ruby_basename
         File.basename('/home/gumby/work/ruby.rb', '.*')
       end
     end
+    TIMER[__FILE__].ruby.mark
   end
 end

test/benches/chop_basename_benchmark.rb

@@ -14,6 +14,7 @@ def bench_rust_chop_basename
         FasterPath.chop_basename ""
       end
     end
+    TIMER[__FILE__].rust.mark
   end
 
   def bench_ruby_chop_basename
@@ -25,5 +26,6 @@ def bench_ruby_chop_basename
         Pathname.new("").send :chop_basename, ""
       end
     end
+    TIMER[__FILE__].ruby.mark
   end
 end

test/benches/directory_benchmark.rb

@@ -13,6 +13,7 @@ def bench_rust_directory?
         FasterPath.directory?("goodbye")
       end
     end
+    TIMER[__FILE__].rust.mark
   end
 
   def bench_ruby_directory?
@@ -23,5 +24,6 @@ def bench_ruby_directory?
         Pathname.new("goodbye").directory?
       end
     end
+    TIMER[__FILE__].ruby.mark
   end
 end

test/benches/dirname_benchmark.rb

@@ -14,6 +14,7 @@ def bench_ruby_dirname
         File.dirname "."  
       end
     end
+    TIMER[__FILE__].rust.mark
   end
 
   def bench_rust_dirname
@@ -25,5 +26,6 @@ def bench_rust_dirname
         FasterPath.dirname "."
       end
     end
+    TIMER[__FILE__].ruby.mark
   end
 end

test/benches/entries_benchmark.rb

@@ -17,6 +17,7 @@ def bench_rust_entries
         FasterPath.entries("src")
       end
     end
+    TIMER[__FILE__].rust.mark
   end
 
   def bench_ruby_entries
@@ -27,5 +28,6 @@ def bench_ruby_entries
         Pathname.new("src").entries
       end
     end
+    TIMER[__FILE__].ruby.mark
   end
 end

test/benches/extname_benchmark.rb

@@ -21,6 +21,7 @@ def bench_rust_extname
         CASES.each { |path| FasterPath.extname(path) }
       end
     end
+    TIMER[__FILE__].rust.mark
   end
 
   def bench_ruby_extname
@@ -30,5 +31,6 @@ def bench_ruby_extname
         CASES.each { |path| File.extname(path) }
       end
     end
+    TIMER[__FILE__].ruby.mark
   end
 end

test/benches/has_trailing_separator_benchmark.rb

@@ -13,6 +13,7 @@ def bench_rust_has_trailing_separator
         FasterPath.has_trailing_separator? 'hello/'
       end
     end
+    TIMER[__FILE__].rust.mark
   end
 
   def bench_ruby_has_trailing_separator
@@ -23,5 +24,6 @@ def bench_ruby_has_trailing_separator
         Pathname.allocate.send :has_trailing_separator?, 'hello/'
       end
     end
+    TIMER[__FILE__].ruby.mark
   end
 end

test/benches/relative_benchmark.rb

@@ -13,6 +13,7 @@ def bench_rust_relative?
         FasterPath.relative?("goodbye")
       end
     end
+    TIMER[__FILE__].rust.mark
   end
 
   def bench_ruby_relative?
@@ -23,5 +24,6 @@ def bench_ruby_relative?
         Pathname.new("goodbye").relative?
       end
     end
+    TIMER[__FILE__].ruby.mark
   end
 end

test/benchmark_helper.rb

@@ -21,12 +21,12 @@ def teardown file
     if TIMER[file].rust.time? && TIMER[file].ruby.time?
       # print graph
       g = Gruff::Line.new
-      g.title = File.basename(file)
+      g.title = File.basename(file).to_s[0..-4].split('_').map(&:capitalize).join(' ')
       g.labels = (self.instance_exec{defined?(self.class.bench_range) ? self.class.bench_range : nil} || BenchmarkHelper.bench_range).
         each.with_index.
         reduce({}) {|h,(v,i)|
-          h[i]=v;h
-        }
+          h[i+1]=v;h
+      }.merge({0 => 0})
 
       g.data(:ruby, TIMER[file].ruby.times.unshift(0))
       g.data(:rust, TIMER[file].rust.times.unshift(0))