perf(core): add micro benchmark for destroy hook invocation (#35784)
Adds a micro benchmark which excercises the logic that invokes `ngOnDestroy` hooks. PR Close #35784
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@ -229,3 +229,16 @@ ng_benchmark(
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name = "host_binding",
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name = "host_binding",
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bundle = ":host_binding",
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bundle = ":host_binding",
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)
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)
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ng_rollup_bundle(
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name = "view_destroy_hook_lib",
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entry_point = ":view_destroy_hook/index.ts",
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deps = [
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":perf_lib",
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],
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)
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ng_benchmark(
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name = "view_destroy_hook",
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bundle = ":view_destroy_hook_lib",
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)
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@ -19,10 +19,12 @@ const rendererFactory: RendererFactory3 =
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isBrowser ? domRendererFactory3 : new MicroBenchmarkRendererFactory;
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isBrowser ? domRendererFactory3 : new MicroBenchmarkRendererFactory;
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const renderer = rendererFactory.createRenderer(null, null);
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const renderer = rendererFactory.createRenderer(null, null);
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export function createAndRenderLView(parentLView: LView, tView: TView, hostTNode: TViewNode) {
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export function createAndRenderLView(
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parentLView: LView, tView: TView, hostTNode: TViewNode): LView {
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const embeddedLView = createLView(
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const embeddedLView = createLView(
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parentLView, tView, {}, LViewFlags.CheckAlways, null, hostTNode, rendererFactory, renderer);
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parentLView, tView, {}, LViewFlags.CheckAlways, null, hostTNode, rendererFactory, renderer);
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renderView(tView, embeddedLView, null);
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renderView(tView, embeddedLView, null);
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return embeddedLView;
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}
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}
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export function setupRootViewWithEmbeddedViews(
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export function setupRootViewWithEmbeddedViews(
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@ -0,0 +1,78 @@
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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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import {OnDestroy} from '@angular/core';
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import {LViewFlags, TViewType} from '@angular/core/src/render3/interfaces/view';
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import {ɵɵdefineDirective, ɵɵelement, ɵɵelementEnd, ɵɵelementStart} from '../../../../src/render3/index';
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import {createLView, createTNode, createTView} from '../../../../src/render3/instructions/shared';
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import {RenderFlags} from '../../../../src/render3/interfaces/definition';
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import {TNodeType, TViewNode} from '../../../../src/render3/interfaces/node';
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import {destroyLView} from '../../../../src/render3/node_manipulation';
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import {createBenchmark} from '../micro_bench';
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import {createAndRenderLView} from '../setup';
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class ToDestroy implements OnDestroy {
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static ɵfac = () => new ToDestroy();
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static ɵdir = ɵɵdefineDirective({type: ToDestroy, selectors: [['', 'to-destroy', '']]});
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ngOnDestroy() {}
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}
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`<div>
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<span to-destroy></span>
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<span to-destroy></span>
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<span to-destroy></span>
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<span to-destroy></span>
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<span to-destroy></span>
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<span to-destroy></span>
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<span to-destroy></span>
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<span to-destroy></span>
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<span to-destroy></span>
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<span to-destroy></span>
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</div>`;
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function testTemplate(rf: RenderFlags, ctx: any) {
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if (rf & 1) {
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ɵɵelementStart(0, 'div');
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ɵɵelement(1, 'span', 0);
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ɵɵelement(3, 'span', 0);
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ɵɵelement(5, 'span', 0);
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ɵɵelement(7, 'span', 0);
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ɵɵelement(9, 'span', 0);
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ɵɵelement(11, 'span', 0);
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ɵɵelement(13, 'span', 0);
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ɵɵelement(15, 'span', 0);
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ɵɵelement(17, 'span', 0);
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ɵɵelement(19, 'span', 0);
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ɵɵelementEnd();
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}
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}
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const rootLView = createLView(
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null, createTView(TViewType.Root, -1, null, 0, 0, null, null, null, null, null), {},
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LViewFlags.IsRoot, null, null);
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const viewTNode = createTNode(null !, null, TNodeType.View, -1, null, null) as TViewNode;
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const embeddedTView = createTView(
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TViewType.Embedded, -1, testTemplate, 21, 10, [ToDestroy.ɵdir], null, null, null,
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[['to-destroy']]);
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// create view once so we don't profile the first create pass
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createAndRenderLView(rootLView, embeddedTView, viewTNode);
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// scenario to benchmark
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const viewDestroy = createBenchmark('view destroy hook');
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const runBenchmark = viewDestroy('create');
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console.profile('view_destroy_hook');
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while (runBenchmark()) {
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const currentView = createAndRenderLView(rootLView, embeddedTView, viewTNode);
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destroyLView(embeddedTView, currentView);
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}
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console.profileEnd();
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// report results
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viewDestroy.report();
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