Add throughput benchmark

benchmark/throughput-child.js

@@ -0,0 +1,25 @@
+var net = require('net');
+var received = 0;
+var start = new Date();
+var socket = net.connect(8000);
+
+socket.on('data', function(d) {
+  received += d.length;
+});
+
+var interval = setInterval(function() {
+  // After 1 gigabyte shutdown.
+  if (received > 10 * 1024 * 1024 * 1024) {
+    socket.destroy();
+    clearInterval(interval);
+    process.exit(0);
+  } else {
+    // Otherwise print some stats.
+    var now = new Date();
+    var gigabytes = received / (1024 * 1024 * 1024);
+    var gigabits = gigabytes * 8.0;
+    var millisec = now - start;
+    var sec = millisec / 1000;
+    console.log((gigabits / sec) + " gbit/sec")
+  }
+}, 1000);

benchmark/throughput.js

@@ -0,0 +1,21 @@
+var fork = require('child_process').fork;
+var net = require('net');
+var buffer = new Buffer(1024 * 1024);
+
+function write(socket) {
+  if (!socket.writable) return;
+
+  socket.write(buffer, function() {
+    write(socket);
+  });
+}
+
+var server = net.createServer(function(socket) {
+  server.close();
+  write(socket);
+});
+
+server.listen(8000, function() {
+  fork(__dirname + '/throughput-child.js');
+});
+