diff --git a/benchmark/array_sample.yml b/benchmark/array_sample.yml
new file mode 100644
index 0000000000..4449ffd0e0
--- /dev/null
+++ b/benchmark/array_sample.yml
@@ -0,0 +1,5 @@
+
+prelude: ary = (1..10_000).to_a
+benchmark:
+  - ary.sample
+  - ary.sample(2)