lib/benchmark/gsub.rb in niceql-0.1.23 vs lib/benchmark/gsub.rb in niceql-0.1.24

@@ -1,25 +1,34 @@
 require 'benchmark/ips'
 
-$str = File.open( './txt' ).readlines.join(' ')
+# 2 + 1 = 3 object
+def slow_plus
+  'foo' + 'bar'
+end
 
 # 2 + 1 = 3 object
-def _gsub(str)
-  str.gsub( /\s+/, '' )
+def slow_concat
+  'foo'.concat 'bar'
 end
 
 # 2 + 1 = 3 object
-def _gsub!(str)
-  str.gsub!( /\s+/, '' )
+def slow_append
+  'foo' << 'bar'
 end
 
+# 1 object
+def fast
+  'foo' 'bar'
+end
 
-def test_gsubs( word_count, string_count = 1000 )
-  arr = Array.new( string_count ) { $str.split.sample(word_count).join(' ') }
-
-  Benchmark.ips do |x|
-
-    x.report('_gsub!') { arr.each{ |str| _gsub!(str) } }
-    x.report('_gsub') { arr.each{ |str| _gsub(str) } }
-    x.compare!
-  end
+def fast_interpolation
+  "#{'foo'}#{'bar'}"
 end
+
+Benchmark.ips do |x|
+  x.report('String#+')                 { slow_plus }
+  x.report('String#concat')            { slow_concat }
+  x.report('String#append')            { slow_append }
+  x.report('"foo" "bar"')              { fast }
+  x.report('"#{\'foo\'}#{\'bar\'}"')   { fast_interpolation }
+  x.compare!
+end
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