* benchmark/bm_vm4_pass_flood.rb: new benchmark for GVL fairness.

* benchmark/bm_vm4_alive_check1.rb: ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32093 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Jun 15 03:52:50 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* benchmark/bm_vm4_pass_flood.rb: new benchmark for GVL fairness.
+	* benchmark/bm_vm4_alive_check1.rb: ditto.
+
 Wed Jun 15 01:27:53 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* thread_pthread.c (gvl_yield): fix live lock issue on 1-2 cpus

benchmark/bm_vm4_alive_check1.rb

@@ -0,0 +1,6 @@
+5000.times{
+  t = Thread.new{}
+  while t.alive?
+    Thread.pass
+  end
+}

benchmark/bm_vm4_pass_flood.rb

@@ -0,0 +1,8 @@
+1000.times{
+  Thread.new{loop{Thread.pass}}
+}
+
+i=0
+while i<10000
+  i += 1
+end