diff --git a/benchmarks/toy-rs/src/main.rs b/benchmarks/toy-rs/src/main.rs
index 48df30f..ab93696 100644
--- a/benchmarks/toy-rs/src/main.rs
+++ b/benchmarks/toy-rs/src/main.rs
@@ -3,19 +3,20 @@ use coz;
 use std::thread;
 #[no_mangle]
 pub fn a_first_fn() {
-    for _x in 0..2000000000 {}
+    for _x in 0..2000000 {}
 }
 
 #[no_mangle]
 pub fn b_second_fn() {
-    for _y in 0..1900000000 {}
+    for _y in 0..1900000 {}
 }
 
 fn main() {
-    let handle1 = thread::spawn(|| a_first_fn());
-    let handle2 = thread::spawn(|| b_second_fn());
-
-    handle1.join().unwrap();
-    handle2.join().unwrap();
-    coz::progress!();
+    for _n in 1..1000 {
+      let handle1 = thread::spawn(|| a_first_fn());
+      let handle2 = thread::spawn(|| b_second_fn());
+      handle1.join().unwrap();
+      handle2.join().unwrap();
+      coz::progress!();
+    }
 }