Revert revision 33053

third_party/pkg/angular/perf/scope_perf.dart

Index: third_party/pkg/angular/perf/scope_perf.dart
===================================================================
--- third_party/pkg/angular/perf/scope_perf.dart	(revision 33054)
+++ third_party/pkg/angular/perf/scope_perf.dart	(working copy)
@@ -6,231 +6,62 @@
 import 'package:di/di.dart';
 import 'package:di/dynamic_injector.dart';
 
-createInjector() {
-  return new DynamicInjector(
+main() {
+  var scope = new DynamicInjector(
       modules: [new Module()
         ..type(Parser, implementedBy: DynamicParser)
         ..type(ParserBackend, implementedBy: DynamicParserBackend)],
-      allowImplicitInjection:true);
-}
-
-var reactionFn = (_, __, ___) => null;
-main() {
-  _fieldRead();
-  _mapRead();
-  _methodInvoke0();
-  _methodInvoke1();
-  _function2();
-}
-
-_fieldRead() {
-  var injector = createInjector();
-  var obj = new _Obj();
-  var scope = injector.get(Scope);
-  var parser = injector.get(Parser);
-  var parse = (exp) {
-    var fn = parser(exp).eval;
-    var o = obj;
-    return (s) => fn(o);
+      allowImplicitInjection:true).get(Scope);
+  var scope2, scope3, scope4, scope5;
+  var fill = (scope) {
+    for(var i = 0; i < 10000; i++) {
+      scope['key_$i'] = i;
+    }
+    return scope;
   };
-  scope.watch(parse('a'), reactionFn);
-  scope.watch(parse('b'), reactionFn);
-  scope.watch(parse('c'), reactionFn);
-  scope.watch(parse('d'), reactionFn);
-  scope.watch(parse('e'), reactionFn);
-  scope.watch(parse('f'), reactionFn);
-  scope.watch(parse('g'), reactionFn);
-  scope.watch(parse('h'), reactionFn);
-  scope.watch(parse('i'), reactionFn);
-  scope.watch(parse('j'), reactionFn);
-  scope.watch(parse('k'), reactionFn);
-  scope.watch(parse('l'), reactionFn);
-  scope.watch(parse('m'), reactionFn);
-  scope.watch(parse('n'), reactionFn);
-  scope.watch(parse('o'), reactionFn);
-  scope.watch(parse('p'), reactionFn);
-  scope.watch(parse('q'), reactionFn);
-  scope.watch(parse('r'), reactionFn);
-  scope.watch(parse('s'), reactionFn);
-  scope.watch(parse('t'), reactionFn);
-  scope.apply();
-  time('fieldRead', () => scope.apply());
-}
 
-_mapRead() {
-  var map = {
-      'a': 0, 'b': 1, 'c': 2, 'd': 3, 'e': 4,
-      'f': 0, 'g': 1, 'h': 2, 'i': 3, 'j': 4,
-      'k': 0, 'l': 1, 'm': 2, 'n': 3, 'o': 4,
-      'p': 0, 'q': 1, 'r': 2, 's': 3, 't': 4};
-  var injector = createInjector();
-  var obj = new _Obj();
-  var scope = injector.get(Scope);
-  map.forEach((k, v) => scope[k] = v);
+  scope = fill(scope);
+  scope2 = fill(scope.$new());
+  scope3 = fill(scope2.$new());
+  scope4 = fill(scope3.$new());
+  scope5 = fill(scope4.$new());
 
-  scope.watch('a', reactionFn);
-  scope.watch('b', reactionFn);
-  scope.watch('c', reactionFn);
-  scope.watch('d', reactionFn);
-  scope.watch('e', reactionFn);
-  scope.watch('f', reactionFn);
-  scope.watch('g', reactionFn);
-  scope.watch('h', reactionFn);
-  scope.watch('i', reactionFn);
-  scope.watch('j', reactionFn);
-  scope.watch('k', reactionFn);
-  scope.watch('l', reactionFn);
-  scope.watch('m', reactionFn);
-  scope.watch('n', reactionFn);
-  scope.watch('o', reactionFn);
-  scope.watch('p', reactionFn);
-  scope.watch('q', reactionFn);
-  scope.watch('r', reactionFn);
-  scope.watch('s', reactionFn);
-  scope.watch('t', reactionFn);
-  scope.apply();
-  time('mapRead', () => scope.apply());
-}
+  time('noop', () {});
 
-_methodInvoke0() {
-  var context = new _Obj();
-  var injector = createInjector();
-  var obj = new _Obj();
-  var scope = injector.get(Scope);
-  scope.a = context;
-  scope.watch('a.methodA()', reactionFn);
-  scope.watch('a.methodB()', reactionFn);
-  scope.watch('a.methodC()', reactionFn);
-  scope.watch('a.methodD()', reactionFn);
-  scope.watch('a.methodE()', reactionFn);
-  scope.watch('a.methodF()', reactionFn);
-  scope.watch('a.methodG()', reactionFn);
-  scope.watch('a.methodH()', reactionFn);
-  scope.watch('a.methodI()', reactionFn);
-  scope.watch('a.methodJ()', reactionFn);
-  scope.watch('a.methodK()', reactionFn);
-  scope.watch('a.methodL()', reactionFn);
-  scope.watch('a.methodM()', reactionFn);
-  scope.watch('a.methodN()', reactionFn);
-  scope.watch('a.methodO()', reactionFn);
-  scope.watch('a.methodP()', reactionFn);
-  scope.watch('a.methodQ()', reactionFn);
-  scope.watch('a.methodR()', reactionFn);
-  scope.watch('a.methodS()', reactionFn);
-  scope.watch('a.methodT()', reactionFn);
-  scope.apply();
-  time('obj.method?()', () => scope.apply());
-}
+  time('empty scope \$digest()', () {
+    scope.$digest();
+  });
 
-_methodInvoke1() {
-  var context = new _Obj();
-  var injector = createInjector();
-  var obj = new _Obj();
-  var scope = injector.get(Scope);
-  scope.a = context;
-  scope.watch('a.methodA(a)', reactionFn);
-  scope.watch('a.methodB(a)', reactionFn);
-  scope.watch('a.methodC(a)', reactionFn);
-  scope.watch('a.methodD(a)', reactionFn);
-  scope.watch('a.methodE(a)', reactionFn);
-  scope.watch('a.methodF(a)', reactionFn);
-  scope.watch('a.methodG(a)', reactionFn);
-  scope.watch('a.methodH(a)', reactionFn);
-  scope.watch('a.methodI(a)', reactionFn);
-  scope.watch('a.methodJ(a)', reactionFn);
-  scope.watch('a.methodK(a)', reactionFn);
-  scope.watch('a.methodL(a)', reactionFn);
-  scope.watch('a.methodM(a)', reactionFn);
-  scope.watch('a.methodN(a)', reactionFn);
-  scope.watch('a.methodO(a)', reactionFn);
-  scope.watch('a.methodP(a)', reactionFn);
-  scope.watch('a.methodQ(a)', reactionFn);
-  scope.watch('a.methodR(a)', reactionFn);
-  scope.watch('a.methodS(a)', reactionFn);
-  scope.watch('a.methodT(a)', reactionFn);
-  scope.apply();
-  time('obj.method?(obj)', () => scope.apply());
-}
+  scope.a = new A();
 
-_function2() {
-  var injector = createInjector();
-  var obj = new _Obj();
-  obj.a = 1;
-  var scope = injector.get(Scope);
-  var parser = injector.get(Parser);
-  var aFn = parser('a').eval;
-  var add = () {
-    var fn = aFn;
-    var o = obj;
-    return (s) => fn(o) + fn(o);
-  };
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.watch(add(), reactionFn);
-  scope.apply();
-  time('add?(a, a)', () => scope.apply());
-}
+  List watchFns = new List.generate(4000, (i) => () => i);
+  time('adding/removing 4000 watchers', () {
+    List watchers = watchFns.map(scope.$watch).toList();
+    watchers.forEach((e) => e());
+  });
 
-class _Obj {
-  var a = 1;
-  var b = 2;
-  var c = 3;
-  var d = 4;
-  var e = 5;
+  List watchers = watchFns.map(scope.$watch).toList();
+  time('4000 dummy watchers on scope', () => scope.$digest());
+  watchers.forEach((e) => e());
 
-  var f = 6;
-  var g = 7;
-  var h = 8;
-  var i = 9;
-  var j = 10;
+  for(var i = 0; i < 1000; i++ ) {
+    scope.$watch('a.number', () => null);
+    scope.$watch('a.str', () => null);
+    scope.$watch('a.obj', () => null);
+  }
 
-  var k = 11;
-  var l = 12;
-  var m = 13;
-  var n = 14;
-  var o = 15;
+  time('3000 watchers on scope', () => scope.$digest());
 
-  var p = 16;
-  var q = 17;
-  var r = 18;
-  var s = 19;
-  var t = 20;
+  //TODO(misko): build matrics of these
+  time('scope[] 1 deep', () => scope['nenexistant']);
+  time('scope[] 2 deep', () => scope2['nenexistant']);
+  time('scope[] 3 deep', () => scope3['nenexistant']);
+  time('scope[] 4 deep', () => scope4['nenexistant']);
+  time('scope[] 5 deep', () => scope5['nenexistant']);
+}
 
-  methodA([arg0]) => a;
-  methodB([arg0]) => b;
-  methodC([arg0]) => c;
-  methodD([arg0]) => d;
-  methodE([arg0]) => e;
-  methodF([arg0]) => f;
-  methodG([arg0]) => g;
-  methodH([arg0]) => h;
-  methodI([arg0]) => i;
-  methodJ([arg0]) => j;
-  methodK([arg0]) => k;
-  methodL([arg0]) => l;
-  methodM([arg0]) => m;
-  methodN([arg0]) => n;
-  methodO([arg0]) => o;
-  methodP([arg0]) => p;
-  methodQ([arg0]) => q;
-  methodR([arg0]) => r;
-  methodS([arg0]) => s;
-  methodT([arg0]) => t;
+class A {
+  var number = 1;
+  var str = 'abc';
+  var obj = {};
 }