[benchmark] crlf constant vs string benchmark

benchmarks/concat_vs_insert.rb

@@ -1,7 +1,7 @@
 require 'rubygems'
 require 'tach'
 
-Tach.meter(1_000) do
+Tach.meter(1_000_000) do
   tach('concat') do
     path = 'path'
     path = '/' << path
@@ -15,7 +15,7 @@
 # +--------+----------+
 # | tach   | total    |
 # +--------+----------+
-# | concat | 0.000797 |
+# | insert | 0.974036 |
 # +--------+----------+
-# | insert | 0.000871 |
+# | concat | 0.998904 |
 # +--------+----------+

benchmarks/crlf.rb

@@ -0,0 +1,21 @@
+require 'rubygems'
+require 'tach'
+
+CRLF = "\r\n"
+
+Tach.meter(1_000_000) do
+  tach('constant') do
+    '' << CRLF
+  end
+  tach('string') do
+    '' << "\r\n"
+  end
+end
+
+# +----------+----------+
+# | tach     | total    |
+# +----------+----------+
+# | constant | 0.813338 |
+# +----------+----------+
+# | string   | 0.900186 |
+# +----------+----------+