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3bfa67ab19
Differential Revision: https://phabricator.services.mozilla.com/D118205
120 lines
3.4 KiB
JavaScript
120 lines
3.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// @ts-check
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var perfMetadata = {
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owner: "Internationalization Team",
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name: "Intl.PluralRules",
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description: "Test the speed of the Intl.PluralRules implementation.",
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options: {
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default: {
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perfherder: true,
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perfherder_metrics: [
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{
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name: "Intl.PluralRules constructor iterations",
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unit: "iterations",
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},
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{ name: "Intl.PluralRules constructor accumulatedTime", unit: "ms" },
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{ name: "Intl.PluralRules constructor perCallTime", unit: "ms" },
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{
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name: "Intl.PluralRules.prototype.select iterations",
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unit: "iterations",
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},
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{
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name: "Intl.PluralRules.prototype.select accumulatedTime",
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unit: "ms",
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},
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{
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name: "Intl.PluralRules.prototype.select perCallTime",
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unit: "ms",
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},
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{
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name: "Intl.PluralRules pluralCategories iterations",
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unit: "iterations",
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},
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{
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name: "Intl.PluralRules pluralCategories accumulatedTime",
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unit: "ms",
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},
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{
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name: "Intl.PluralRules pluralCategories perCallTime",
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unit: "ms",
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},
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],
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verbose: true,
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},
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},
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tags: ["intl", "ecma402"],
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};
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add_task(function measure_pluralrules() {
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const measureConstructor = measureIterations("Intl.PluralRules constructor");
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const measureSelect = measureIterations("Intl.PluralRules.prototype.select");
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const measurePluralCategories = measureIterations(
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"Intl.PluralRules pluralCategories"
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);
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// Re-use the config between runs.
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const fieldOptions = {
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type: ["cardinal", "ordinal"],
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};
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const config = {};
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function randomizeConfig(name, chance) {
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const option = fieldOptions[name];
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if (prng() < chance) {
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config[name] = option[Math.floor(option.length * prng())];
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} else {
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delete config[name];
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}
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}
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// Split each step of the benchmark into separate JS functions so that performance
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// profiles are easy to analyze.
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function benchmarkPluralRulesConstructor() {
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for (let i = 0; i < 1000; i++) {
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// Create a random configuration powered by a pseudo-random number generator. This
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// way the configurations will be the same between 2 different runs.
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const locale = pickRepresentativeLocale();
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randomizeConfig("type", 0.5);
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// Measure the constructor.
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measureConstructor.start();
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const pr = new Intl.PluralRules(locale, config);
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measureConstructor.stop();
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benchmarkSelectOperation(pr);
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benchmarkPluralCategories(pr);
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}
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}
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function benchmarkSelectOperation(pr) {
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// Measure the select operation.
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for (let j = 0; j < 1000; j++) {
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// TODO: We may want to extend this to non-integer values in the future.
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const num = Math.floor(prng() * 10000);
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measureSelect.start();
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pr.select(num);
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measureSelect.stop();
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}
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}
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function benchmarkPluralCategories(pr) {
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measurePluralCategories.start();
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pr.resolvedOptions().pluralCategories;
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measurePluralCategories.stop();
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}
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benchmarkPluralRulesConstructor();
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measureConstructor.reportMetrics();
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measureSelect.reportMetrics();
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measurePluralCategories.reportMetrics();
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ok(true);
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});
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