benchmark: add dgram bind(+/- params) benchmark

Refs: https://github.com/nodejs/node/pull/11242
PR-URL: https://github.com/nodejs/node/pull/11313
Reviewed-By: Brian White <mscdex@mscdex.net>

benchmark/dgram/bind-params.js

@@ -0,0 +1,38 @@
+'use strict';
+
+const common = require('../common.js');
+const dgram = require('dgram');
+
+const configs = {
+  n: [1e4],
+  port: ['true', 'false'],
+  address: ['true', 'false'],
+};
+
+const bench = common.createBenchmark(main, configs);
+
+function main(conf) {
+  const n = +conf.n;
+  const port = conf.port === 'true' ? 0 : undefined;
+  const address = conf.address === 'true' ? '0.0.0.0' : undefined;
+
+  if (port !== undefined && address !== undefined) {
+    bench.start();
+    for (let i = 0; i < n; i++) {
+      dgram.createSocket('udp4').bind(port, address).unref();
+    }
+    bench.end(n);
+  } else if (port !== undefined) {
+    bench.start();
+    for (let i = 0; i < n; i++) {
+      dgram.createSocket('udp4').bind(port).unref();
+    }
+    bench.end(n);
+  } else if (port === undefined && address === undefined) {
+    bench.start();
+    for (let i = 0; i < n; i++) {
+      dgram.createSocket('udp4').bind().unref();
+    }
+    bench.end(n);
+  }
+}