* benchmark/bm_hash_flatten.rb: added. r43896 is about 4 times faster

  than 2.0.0p353.

* benchmark/bm_hash_keys.rb: added. r43896 is about 5 times faster
  than 2.0.0p353.

* benchmark/bm_hash_values.rb: added. r43896 is about 5 times faster
  than 2.0.0p353.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43898 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: glass

ChangeLog

@@ -1,3 +1,14 @@
+Thu Nov 28 19:43:45 2013  Masaki Matsushita  <glass.saga@gmail.com>
+
+	* benchmark/bm_hash_flatten.rb: added. r43896 is about 4 times faster
+	  than 2.0.0p353.
+
+	* benchmark/bm_hash_keys.rb: added. r43896 is about 5 times faster
+	  than 2.0.0p353.
+
+	* benchmark/bm_hash_values.rb: added. r43896 is about 5 times faster
+	  than 2.0.0p353.
+
 Thu Nov 28 19:29:04 2013  Zachary Scott  <e@zzak.io>
 
 	* doc/contributing.rdoc: [DOC] Add notes about slideshow proposals

benchmark/bm_hash_flatten.rb

@@ -0,0 +1,9 @@
+h = {}
+
+10000.times do |i|
+  h[i] = nil
+end
+
+1000.times do
+  h.flatten
+end

benchmark/bm_hash_keys.rb

@@ -0,0 +1,9 @@
+h = {}
+
+10000.times do |i|
+  h[i] = nil
+end
+
+5000.times do
+  h.keys
+end

benchmark/bm_hash_values.rb

@@ -0,0 +1,9 @@
+h = {}
+
+10000.times do |i|
+  h[i] = nil
+end
+
+5000.times do
+  h.values
+end