diff --git a/Cargo.toml b/Cargo.toml
index 6e1b86d..2060924 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,4 +8,9 @@ members = [
     "client",
 
     "config"
-]
\ No newline at end of file
+]
+
+[profile.release]
+lto = true
+debug = false
+overflow-checks = false
diff --git a/README.md b/README.md
index d64cecc..1c81ac6 100644
--- a/README.md
+++ b/README.md
@@ -12,4 +12,21 @@ TODO: 1C/4C with 3 runtimes, different connections, watch the throughput.
 ## Fixed QPS
 We can measure the latency and CPU utilization of different runtimes.
 
-TODO: 1C/4C with 3 runtimes, different QPS, watch latency and CPU utilization.
\ No newline at end of file
+TODO: 1C/4C with 3 runtimes, different QPS, watch latency and CPU utilization.
+
+## How to run
+Run diffrent servers:
+```
+./target/release/monoio-server --cores 1
+./target/release/glommio-server --cores 1
+taskset -c 1 ./target/release/tokio-server --cores 1
+
+./target/release/monoio-server --cores 1 2 3 4
+./target/release/glommio-server --cores 1 2 3 4
+taskset -c 1-4 ./target/release/tokio-server --cores 1 2 3 4
+```
+
+Run client:
+```
+./target/release/client --target 10.0.0.0:40000 --cores 1 2 3 4 --conns-per-core 150
+```
\ No newline at end of file
diff --git a/client/src/main.rs b/client/src/main.rs
index 24c1c99..1685265 100644
--- a/client/src/main.rs
+++ b/client/src/main.rs
@@ -48,6 +48,7 @@ CPU slot: {}",
             monoio::utils::bind_to_cpu_set(Some(cpu_)).unwrap();
             let mut rt = RuntimeBuilder::new().with_entries(2560).enable_timer().build().unwrap();
             rt.block_on(run_thread(count_, eps_, cfg_));
+            println!("Thread {} finished", cpu_);
         });
     }
 
@@ -122,11 +123,13 @@ async fn run_conn(
         let (w, buf_w) = stream.write_all(buf).await;
         if w.is_err() {
             // The connection is closed.
+            println!("Write failed, connection exit");
             return;
         }
         let (r, buf_r) = stream.read_exact(buf_w).await;
         if r.is_err() {
             // The connection is closed.
+            println!("Read failed, connection exit");
             return;
         }
         let eps_ = begin.elapsed().as_micros() as u64;
diff --git a/monoio-server/src/main.rs b/monoio-server/src/main.rs
index ed5943d..31f9f6f 100644
--- a/monoio-server/src/main.rs
+++ b/monoio-server/src/main.rs
@@ -19,7 +19,7 @@ fn main() {
         let h = std::thread::spawn(move || {
             monoio::utils::bind_to_cpu_set(Some(cpu_)).unwrap();
             let mut rt = RuntimeBuilder::new()
-                .with_entries(2560)
+                .with_entries(32768)
                 .build()
                 .unwrap();
             rt.block_on(serve(cfg_));
diff --git a/rust-toolchain b/rust-toolchain
new file mode 100644
index 0000000..07ade69
--- /dev/null
+++ b/rust-toolchain
@@ -0,0 +1 @@
+nightly
\ No newline at end of file