[benchmark] concat vs insert for path

phiggins · Nov 29, 2010 · 899e6ef · 899e6ef
1 parent 146b531
commit 899e6ef
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/benchmarks/concat_vs_insert.rb b/benchmarks/concat_vs_insert.rb
@@ -0,0 +1,21 @@
+require 'rubygems'
+require 'tach'
+
+Tach.meter(1_000) do
+  tach('concat') do
+    path = 'path'
+    path = '/' << path
+  end
+  tach('insert') do
+    path = 'path'
+    path.insert(0, '/')
+  end
+end
+
+# +--------+----------+
+# | tach   | total    |
+# +--------+----------+
+# | concat | 0.000797 |
+# +--------+----------+
+# | insert | 0.000871 |
+# +--------+----------+