diff --git a/benchmarks/atomic/builtin_lock/main.neva b/benchmarks/atomic/builtin_lock/main.neva
new file mode 100644
index 000000000..394cee4bc
--- /dev/null
+++ b/benchmarks/atomic/builtin_lock/main.neva
@@ -0,0 +1,6 @@
+def Main(start any) (stop any) {
+	lock Lock<any>
+	---
+	:start -> [lock:sig, lock:data]
+	lock -> :stop
+}
diff --git a/benchmarks/atomic/builtin_pass/main.neva b/benchmarks/atomic/builtin_pass/main.neva
new file mode 100644
index 000000000..f1a67e0d0
--- /dev/null
+++ b/benchmarks/atomic/builtin_pass/main.neva
@@ -0,0 +1,5 @@
+def Main(start any) (stop any) {
+	pass Pass<any>
+	---
+	:start -> pass -> :stop
+}