chrisyip · July 14, 2017 04:20 · Jul 14, 2017
diff --git a/ac.js b/ac.js
@@ -0,0 +1,39 @@
+'use strict'
+
+console.log('Using node %s', process.versions.node)
+
+function p () {
+  return Promise.resolve('hello').then(s => `${s} world`)
+}
+
+const a = async function () {
+  await p()
+}
+
+const co = require('co')
+
+const c = co.wrap(function * () {
+  yield p()
+})
+
+suite('async vs co', function () {
+  bench('async', function (next) {
+    const ps = []
+
+    for (let index = 0; index < 100; index++) {
+      ps.push(a())
+    }
+
+    Promise.all(ps).then(next, next)
+  })
+
+  bench('co', function (next) {
+    const ps = []
+
+    for (let index = 0; index < 100; index++) {
+      ps.push(c())
+    }
+
+    Promise.all(ps).then(next, next)
+  })
+})