feat(benchmark): add a simple benchmark for the di module

modules/benchmarks/src/di/benchmark.es5

@@ -0,0 +1,15 @@
+System.import('benchmarks/di/injector_get_benchmark').then(function (bm) {
+  window.benchmarkSteps.push({name: 'Injector.get (token)', fn: bm.run});
+}, console.log.bind(console));
+
+System.import('benchmarks/di/injector_get_by_key_benchmark').then(function (bm) {
+  window.benchmarkSteps.push({name: 'Injector.get (key)', fn: bm.run});
+}, console.log.bind(console));
+
+System.import('benchmarks/di/injector_get_child_benchmark').then(function (bm) {
+  window.benchmarkSteps.push({name: 'Injector.get (grand x 5 child)', fn: bm.run});
+}, console.log.bind(console));
+
+System.import('benchmarks/di/injector_instantiate_benchmark').then(function (bm) {
+  window.benchmarkSteps.push({name: 'Injector.instantiate', fn: bm.run});
+}, console.log.bind(console));

modules/benchmarks/src/di/bp.conf.es5

@@ -0,0 +1,11 @@
+module.exports = function(config) {
+  config.set({
+    scripts: [
+      {src: '/js/traceur-runtime.js'},
+      {src: '/js/es6-module-loader-sans-promises.src.js'},
+      {src: '/js/extension-register.js'},
+      {src: 'register_system.js'},
+      {src: 'benchmark.js'}
+    ]
+  });
+};

modules/benchmarks/src/di/injector_get_benchmark.js

@@ -0,0 +1,43 @@
+import {Injector} from "di/di";
+
+var count = 0;
+
+export function run () {
+  var bindings = [A, B, C, D, E];
+  var injector = new Injector(bindings);
+
+  for (var i = 0; i < 20000; ++i) {
+    injector.get(D);
+    injector.get(E);
+  }
+}
+
+class A {
+  constructor() {
+    count++;
+  }
+}
+
+class B {
+  constructor(a:A) {
+    count++;
+  }
+}
+
+class C {
+  constructor(b:B) {
+    count++;
+  }
+}
+
+class D {
+  constructor(c:C, b:B) {
+    count++;
+  }
+}
+
+class E {
+  constructor(d:D, c:C) {
+    count++;
+  }
+}

modules/benchmarks/src/di/injector_get_by_key_benchmark.js

@@ -0,0 +1,46 @@
+import {Injector, Key} from "di/di";
+
+var count = 0;
+
+export function run () {
+  var bindings = [A, B, C, D, E];
+  var injector = new Injector(bindings);
+
+  var D_KEY = Key.get(D);
+  var E_KEY = Key.get(E);
+
+  for (var i = 0; i < 20000; ++i) {
+    injector.get(D_KEY);
+    injector.get(E_KEY);
+  }
+}
+
+class A {
+  constructor() {
+    count++;
+  }
+}
+
+class B {
+  constructor(a:A) {
+    count++;
+  }
+}
+
+class C {
+  constructor(b:B) {
+    count++;
+  }
+}
+
+class D {
+  constructor(c:C, b:B) {
+    count++;
+  }
+}
+
+class E {
+  constructor(d:D, c:C) {
+    count++;
+  }
+}

modules/benchmarks/src/di/injector_get_child_benchmark.js

@@ -0,0 +1,49 @@
+import {Injector, Key} from "di/di";
+
+var count = 0;
+
+export function run () {
+  var bindings = [A, B, C, D, E];
+  var injector = new Injector(bindings);
+  var childInjector = injector.
+    createChild([]).
+    createChild([]).
+    createChild([]).
+    createChild([]).
+    createChild([]);
+
+  for (var i = 0; i < 20000; ++i) {
+    childInjector.get(D);
+    childInjector.get(E);
+  }
+}
+
+class A {
+  constructor() {
+    count++;
+  }
+}
+
+class B {
+  constructor(a:A) {
+    count++;
+  }
+}
+
+class C {
+  constructor(b:B) {
+    count++;
+  }
+}
+
+class D {
+  constructor(c:C, b:B) {
+    count++;
+  }
+}
+
+class E {
+  constructor(d:D, c:C) {
+    count++;
+  }
+}

modules/benchmarks/src/di/injector_instantiate_benchmark.js

@@ -0,0 +1,45 @@
+import {Injector, Key} from "di/di";
+
+var count = 0;
+
+export function run () {
+  var bindings = [A, B, C, D];
+  var injector = new Injector(bindings);
+
+  for (var i = 0; i < 1000; ++i) {
+    var child = injector.createChild([E]);
+    child.get(E);
+  }
+
+  console.log(count)
+}
+
+class A {
+  constructor() {
+    count++;
+  }
+}
+
+class B {
+  constructor(a:A) {
+    count++;
+  }
+}
+
+class C {
+  constructor(b:B) {
+    count++;
+  }
+}
+
+class D {
+  constructor(c:C, b:B) {
+    count++;
+  }
+}
+
+class E {
+  constructor(d:D, c:C) {
+    count++;
+  }
+}

modules/benchmarks/src/di/register_system.es5

@@ -0,0 +1,10 @@
+System.paths = {
+  'core/*': '/js/core/lib/*.js',
+  'change_detection/*': '/js/change_detection/lib/*.js',
+  'facade/*': '/js/facade/lib/*.js',
+  'di/*': '/js/di/lib/*.js',
+  'rtts_assert/*': '/js/rtts_assert/lib/*.js',
+  'test_lib/*': '/js/test_lib/lib/*.js',
+  'benchmarks/*': '/js/benchmarks/lib/*.js'
+};
+register(System);