1 files changed, 15 insertions, 0 deletions
diff --git a/benchmark/vm_thread_pass.rb b/benchmark/vm_thread_pass.rb
new file mode 100644
index 0000000000..b5b3c0bc85
--- /dev/null
+++ b/benchmark/vm_thread_pass.rb
@@ -0,0 +1,15 @@
+# Plenty Thtread.pass
+# A performance may depend on GVL implementation.
+
+tmax = (ARGV.shift || 2).to_i
+lmax = 200_000 / tmax
+
+(1..tmax).map{
+  Thread.new{
+    lmax.times{
+      Thread.pass
+    }
+  }
+}.each{|t| t.join}
+
+