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Test Info:
- Manifest: intl/benchmarks/perftest.toml
- Manifest: intl/benchmarks/xpcshell.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
// @ts-check
var perfMetadata = {
owner: "Internationalization Team",
name: "Intl.Locale",
description: "Test the speed of the Intl.Locale implementation.",
options: {
default: {
perfherder: true,
perfherder_metrics: [
{
name: "Intl.Locale constructor iterations",
unit: "iterations",
},
{ name: "Intl.Locale constructor accumulatedTime", unit: "ms" },
{ name: "Intl.Locale constructor perCallTime", unit: "ms" },
{
name: "Intl.Locale.prototype accessors iterations",
unit: "iterations",
},
{
name: "Intl.Locale.prototype accessors accumulatedTime",
unit: "ms",
},
{
name: "Intl.Locale.prototype accessors perCallTime",
unit: "ms",
},
{
name: "Intl.Locale.maximize operation iterations",
unit: "iterations",
},
{
name: "Intl.Locale.maximize operation accumulatedTime",
unit: "ms",
},
{
name: "Intl.Locale.maximize operation perCallTime",
unit: "ms",
},
],
verbose: true,
},
},
tags: ["intl", "ecma402"],
};
const maximizeLocales = [
"en-US",
"en-GB",
"es-AR",
"it",
"zh-Hans-CN",
"de-AT",
"pl",
"fr-FR",
"de-AT",
"sr-Cyrl-SR",
"nb-NO",
"fr-FR",
"mk",
"uk",
"und-PL",
"und-Latn-AM",
"ug-Cyrl",
"sr-ME",
"mn-Mong",
"lif-Limb",
"gan",
"zh-Hant",
"yue-Hans",
"unr",
"unr-Deva",
"und-Thai-CN",
"ug-Cyrl",
"en-Latn-DE",
"pl-FR",
"de-CH",
"tuq",
"sr-ME",
"ng",
"klx",
"kk-Arab",
"en-Cyrl",
"und-Cyrl-UK",
"und-Arab",
"und-Arab-FO",
];
add_task(function measure_locale() {
const measureConstructor = measureIterations("Intl.Locale constructor");
const measureAccessors = measureIterations("Intl.Locale.prototype accessors");
const measureMaximize = measureIterations("Intl.Locale.maximize operation");
// Split each step of the benchmark into separate JS functions so that performance
// profiles are easy to analyze.
function benchmarkDateTimeFormatConstructor() {
for (let i = 0; i < 1000; i++) {
// Create a random configuration powered by a pseudo-random number generator. This
// way the configurations will be the same between 2 different runs.
const localeString = pickRepresentativeLocale();
// Measure the constructor.
measureConstructor.start();
const locale = new Intl.Locale(localeString);
measureConstructor.stop();
benchmarkAccessors(locale);
}
}
const accessors = [
"basename",
"calendar",
"caseFirst",
"collation",
"hourCycle",
"numeric",
"numberingSystem",
"language",
"script",
"region",
];
function benchmarkAccessors(locale) {
for (let j = 0; j < 100; j++) {
measureAccessors.start();
for (let accessor in accessors) {
locale[accessor];
}
measureAccessors.stop();
}
}
function benchmarkMaximize() {
let locales = [];
for (let localeString of maximizeLocales) {
locales.push(new Intl.Locale(localeString));
}
for (let j = 0; j < 10000; j++) {
measureMaximize.start();
for (let locale of locales) {
locale.maximize();
}
measureMaximize.stop();
}
}
benchmarkDateTimeFormatConstructor();
benchmarkMaximize();
measureConstructor.reportMetrics();
measureAccessors.reportMetrics();
measureMaximize.reportMetrics();
ok(true);
});