* benchmark/bm_vm4_thread_pass.rb: rename bm_vm4* to

bm_vm_thread_*. suggested by ko1.
* benchmark/bm_vm4_pipe.rb: ditto.
* benchmark/bm_vm4_alive_check1.rb: ditto.
* benchmark/bm_vm4_pass_flood.rb: ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32094 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

benchmark/bm_vm_thread_pipe.rb

@@ -0,0 +1,17 @@
+# Mesure small and plenty pipe read/write.
+# A performance may depend on GVL implementation.
+
+lmax = 100_000
+r, w = IO.pipe
+[Thread.new{
+  lmax.times{
+    w.write('a')
+  }
+  p "w:exit"
+}, Thread.new{
+  lmax.times{
+    r.read(1)
+  }
+  p "r:exit"
+}].each{|t| t.join}
+