JiaLiPassion
committed by
Kara Erickson
Kara Erickson
parent
7b3bcc23af
commit
5eb7426216
284
packages/zone.js/test/performance/performance_setup.js
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284
packages/zone.js/test/performance/performance_setup.js
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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(function(_global) {
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var allTasks = _global['__zone_symbol__performance_tasks'];
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if (!allTasks) {
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allTasks = _global['__zone_symbol__performance_tasks'] = [];
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}
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var mark = _global['__zone_symbol__mark'] = function(name) {
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performance && performance['mark'] && performance['mark'](name);
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};
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var measure = _global['__zone_symbol__measure'] = function(name, label) {
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performance && performance['measure'] && performance['measure'](name, label);
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};
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var getEntries = _global['__zone_symbol__getEntries'] = function() {
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performance && performance['getEntries'] && performance['getEntries']();
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};
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var getEntriesByName = _global['__zone_symbol__getEntriesByName'] = function(name) {
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return performance && performance['getEntriesByName'] && performance['getEntriesByName'](name);
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};
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var clearMarks = _global['__zone_symbol__clearMarks'] = function(name) {
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return performance && performance['clearMarks'] && performance['clearMarks'](name);
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};
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var clearMeasures = _global['__zone_symbol__clearMeasures'] = function(name) {
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return performance && performance['clearMeasures'] && performance['clearMeasures'](name);
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};
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var averageMeasures = _global['__zone_symbol__averageMeasures'] = function(name, times) {
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var sum = _global['__zone_symbol__getEntriesByName'](name)
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.filter(function(m) { return m.entryType === 'measure'; })
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.map(function(m) { return m.duration })
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.reduce(function(sum, d) { return sum + d; });
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return sum / times;
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};
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var serialPromise = _global['__zone_symbol__serialPromise'] =
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function(promiseFactories) {
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let lastPromise;
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for (var i = 0; i < promiseFactories.length; i++) {
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var promiseFactory = promiseFactories[i];
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if (!lastPromise) {
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lastPromise = promiseFactory.factory(promiseFactory.context).then(function(value) {
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return {value, idx: 0};
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});
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} else {
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lastPromise = lastPromise.then(function(ctx) {
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var idx = ctx.idx + 1;
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var promiseFactory = promiseFactories[idx];
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return promiseFactory.factory(promiseFactory.context).then(function(value) {
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return {value, idx};
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});
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});
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}
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}
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return lastPromise;
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}
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var callbackContext = _global['__zone_symbol__callbackContext'] = {};
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var zone = _global['__zone_symbol__callbackZone'] = Zone.current.fork({
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name: 'callback',
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onScheduleTask: function(delegate, curr, target, task) {
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delegate.scheduleTask(target, task);
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if (task.type === callbackContext.type &&
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task.source.indexOf(callbackContext.source) !== -1) {
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if (task.type === 'macroTask' || task.type === 'eventTask') {
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var invoke = task.invoke;
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task.invoke = function() {
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mark(callbackContext.measureName);
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var result = invoke.apply(this, arguments);
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measure(callbackContext.measureName, callbackContext.measureName);
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return result;
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};
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} else if (task.type === 'microTask') {
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var callback = task.callback;
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task.callback = function() {
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mark(callbackContext.measureName);
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var result = callback.apply(this, arguments);
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measure(callbackContext.measureName, callbackContext.measureName);
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return result;
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};
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}
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}
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return task;
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}
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});
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var runAsync = _global['__zone_symbol__runAsync'] = function(testFn, times, _delay) {
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var delay = _delay | 100;
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const fnPromise = function() {
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return new Promise(function(res, rej) {
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// run test with a setTimeout
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// several times to decrease measurement error
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setTimeout(function() { testFn().then(function() { res(); }); }, delay);
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});
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};
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var promiseFactories = [];
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for (var i = 0; i < times; i++) {
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promiseFactories.push({factory: fnPromise, context: {}});
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}
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return serialPromise(promiseFactories);
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};
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var getNativeMethodName = function(nativeWithSymbol) {
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return nativeWithSymbol.replace('__zone_symbol__', 'native_');
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};
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function testAddRemove(api, count) {
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var timerId = [];
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var name = api.method;
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mark(name);
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for (var i = 0; i < count; i++) {
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timerId.push(api.run());
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}
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measure(name, name);
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if (api.supportClear) {
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var clearName = api.clearMethod;
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mark(clearName);
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for (var i = 0; i < count; i++) {
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api.runClear(timerId[i]);
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}
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measure(clearName, clearName);
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}
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timerId = [];
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var nativeName = getNativeMethodName(api.nativeMethod);
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mark(nativeName);
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for (var i = 0; i < count; i++) {
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timerId.push(api.nativeRun());
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}
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measure(nativeName, nativeName);
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if (api.supportClear) {
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var nativeClearName = getNativeMethodName(api.nativeClearMethod);
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mark(nativeClearName);
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for (var i = 0; i < count; i++) {
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api.nativeRunClear(timerId[i]);
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}
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measure(nativeClearName, nativeClearName);
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}
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return Promise.resolve(1);
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}
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function testCallback(api, count) {
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var promises = [Promise.resolve(1)];
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for (var i = 0; i < count; i++) {
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var r = api.run();
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if (api.isAsync) {
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promises.push(r);
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}
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}
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for (var i = 0; i < count; i++) {
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var r = api.nativeRun();
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if (api.isAsync) {
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promises.push(r);
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}
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}
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return Promise.all(promises);
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}
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function measureCallback(api, ops) {
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var times = ops.times;
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var displayText = ops.displayText;
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var rawData = ops.rawData;
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var summary = ops.summary;
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var name = api.method;
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var nativeName = getNativeMethodName(api.nativeMethod);
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var measure = averageMeasures(name, times);
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var nativeMeasure = averageMeasures(nativeName, times);
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displayText += `- ${name} costs ${measure} ms\n`;
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displayText += `- ${nativeName} costs ${nativeMeasure} ms\n`;
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var absolute = Math.floor(1000 * (measure - nativeMeasure)) / 1000;
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displayText += `# ${name} is ${absolute}ms slower than ${nativeName}\n`;
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rawData[name + '_measure'] = measure;
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rawData[nativeName + '_measure'] = nativeMeasure;
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summary[name] = absolute + 'ms';
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}
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function measureAddRemove(api, ops) {
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var times = ops.times;
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var displayText = ops.displayText;
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var rawData = ops.rawData;
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var summary = ops.summary;
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var name = api.method;
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var nativeName = getNativeMethodName(api.nativeMethod);
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var measure = averageMeasures(name, times);
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var nativeMeasure = averageMeasures(nativeName, times);
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displayText += `- ${name} costs ${measure} ms\n`;
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displayText += `- ${nativeName} costs ${nativeMeasure} ms\n`;
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var percent = Math.floor(100 * (measure - nativeMeasure) / nativeMeasure);
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displayText += `# ${name} is ${percent}% slower than ${nativeName}\n`;
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rawData[name + '_measure'] = measure;
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rawData[nativeName + '_measure'] = nativeMeasure;
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summary[name] = percent + '%';
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if (api.supportClear) {
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var clearName = api.clearMethod;
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var nativeClearName = getNativeMethodName(api.nativeClearMethod);
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var clearMeasure = averageMeasures(clearName, times);
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var nativeClearMeasure = averageMeasures(nativeClearName, times);
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var clearPercent = Math.floor(100 * (clearMeasure - nativeClearMeasure) / nativeClearMeasure);
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displayText += `- ${clearName} costs ${clearMeasure} ms\n`;
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displayText += `- ${nativeClearName} costs ${nativeClearMeasure} ms\n`;
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displayText += `# ${clearName} is ${clearPercent}% slower than ${nativeClearName}\n`;
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rawData[clearName + '_measure'] = clearMeasure;
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rawData[nativeClearName + '_measure'] = nativeClearMeasure;
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summary[clearName] = clearPercent + '%';
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}
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}
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var testRunner = _global['__zone_symbol__testRunner'] = function(testTarget) {
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var title = testTarget.title;
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var apis = testTarget.apis;
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var methods = apis.reduce(function(acc, api) {
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return acc.concat([
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api.method, api.nativeMethod
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].concat(api.supportClear ? [api.clearMethod, api.nativeClearMethod] : [])
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.concat[api.method + '_callback', api.nativeMethod + '_callback']);
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}, []);
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var times = testTarget.times;
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allTasks.push({
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title: title,
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cleanFn: function() {
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methods.forEach(function(m) {
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clearMarks(m);
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clearMeasures(m);
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});
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},
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before: function() { testTarget.before && testTarget.before(); },
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after: function() { testTarget.after && testTarget.after(); },
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testFn: function() {
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var count = typeof testTarget.count === 'number' ? testTarget.count : 10000;
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var times = typeof testTarget.times === 'number' ? testTarget.times : 5;
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var testFunction = function() {
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var promises = [];
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apis.forEach(function(api) {
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if (api.isCallback) {
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var r = testCallback(api, count / 100);
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promises.push(api.isAsync ? r : Promise.resolve(1));
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} else {
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var r = testAddRemove(api, count);
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promises.push[api.isAsync ? r : Promise.resolve(1)];
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}
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});
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return Promise.all(promises);
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};
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return runAsync(testFunction, times).then(function() {
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var displayText = `running ${count} times\n`;
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var rawData = {};
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var summary = {};
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apis.forEach(function(api) {
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if (api.isCallback) {
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measureCallback(api, {times, displayText, rawData, summary});
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} else {
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measureAddRemove(api, {times, displayText, rawData, summary});
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}
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});
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return Promise.resolve({displayText: displayText, rawData: rawData, summary: summary});
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});
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}
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});
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};
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}(typeof window === 'undefined' ? global : window));
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