From d2a408f452db1157a1e6a14810bd1f03fc431d9d Mon Sep 17 00:00:00 2001
From: Divy Srivastava <dj.srivastava23@gmail.com>
Date: Tue, 6 Sep 2022 23:08:37 +0530
Subject: perf(runtime): short-circuit `queue_async_op` for Poll::Ready
 (#15773)

---
 cli/bench/tcp.js | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 cli/bench/tcp.js

(limited to 'cli/bench/tcp.js')

diff --git a/cli/bench/tcp.js b/cli/bench/tcp.js
new file mode 100644
index 000000000..826f5f87b
--- /dev/null
+++ b/cli/bench/tcp.js
@@ -0,0 +1,22 @@
+// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
+
+const listener = Deno.listen({ port: 4500 });
+const response = new TextEncoder().encode(
+  "HTTP/1.1 200 OK\r\nContent-Length: 12\r\n\r\nHello World\n",
+);
+
+// Accept a connection and write packets as fast as possible.
+async function acceptWrite() {
+  const conn = await listener.accept();
+  try {
+    while (true) {
+      await conn.write(response);
+    }
+  } catch {
+    // Pass
+  }
+  conn.close();
+}
+
+await acceptWrite();
+await acceptWrite();
-- 
cgit v1.2.3