1 files changed, 20 insertions, 0 deletions
diff --git a/benchmark/vm_thread_pipe.yml b/benchmark/vm_thread_pipe.yml
new file mode 100644
index 0000000000..fe4f3b8166
--- /dev/null
+++ b/benchmark/vm_thread_pipe.yml
@@ -0,0 +1,20 @@
+prelude: |
+  # Measure small and plenty pipe read/write.
+  # A performance may depend on GVL implementation.
+benchmark:
+  vm_thread_pipe: |
+
+    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}
+loop_count: 1