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The library for web and native user interfaces.

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Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
2017-05-09 17:13:54 +01:00
'use strict';
const Lighthouse = require('lighthouse');
update the benchmark script (#13994)
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const chromeLauncher = require('chrome-launcher');
Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
2017-05-09 17:13:54 +01:00
const stats = require('stats-analysis');
update the benchmark script (#13994)
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const config = require('lighthouse/lighthouse-core/config/perf-config');
Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
2017-05-09 17:13:54 +01:00
const spawn = require('child_process').spawn;
const os = require('os');
const timesToRun = 10;
function wait(val) {
return new Promise(resolve => setTimeout(resolve, val));
}
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async function runScenario(benchmark, chrome) {
const port = chrome.port;
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const results = await Lighthouse(
`http://localhost:8080/${benchmark}/`,
{
output: 'json',
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port,
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},
config
);
update the benchmark script (#13994)
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const perfMarkings = results.lhr.audits['user-timings'].details.items;
Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
2017-05-09 17:13:54 +01:00
const entries = perfMarkings
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.filter(({timingType}) => timingType !== 'Mark')
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.map(({duration, name}) => ({
entry: name,
time: duration,
}));
Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
2017-05-09 17:13:54 +01:00
entries.push({
entry: 'First Meaningful Paint',
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time: results.lhr.audits['first-meaningful-paint'].rawValue,
Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
2017-05-09 17:13:54 +01:00
});
update the benchmark script (#13994)
2018-11-05 07:55:46 -08:00
Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
2017-05-09 17:13:54 +01:00
return entries;
}
function bootstrap(data) {
const len = data.length;
const arr = Array(len);
for (let j = 0; j < len; j++) {
arr[j] = data[(Math.random() * len) | 0];
}
return arr;
}
function calculateStandardErrorOfMean(data) {
const means = [];
for (let i = 0; i < 10000; i++) {
means.push(stats.mean(bootstrap(data)));
}
return stats.stdev(means);
}
function calculateAverages(runs) {
const data = [];
const averages = [];
runs.forEach((entries, x) => {
Run prettier on scripts/bench (#9671)
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entries.forEach(({entry, time}, i) => {
Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
2017-05-09 17:13:54 +01:00
if (i >= averages.length) {
data.push([time]);
averages.push({
entry,
mean: 0,
sem: 0,
});
} else {
data[i].push(time);
if (x === runs.length - 1) {
const dataWithoutOutliers = stats.filterMADoutliers(data[i]);
averages[i].mean = stats.mean(dataWithoutOutliers);
averages[i].sem = calculateStandardErrorOfMean(data[i]);
}
}
});
});
return averages;
}
async function initChrome() {
const platform = os.platform();
if (platform === 'linux') {
process.env.XVFBARGS = '-screen 0, 1024x768x16';
process.env.LIGHTHOUSE_CHROMIUM_PATH = 'chromium-browser';
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const child = spawn('xvfb start', [{detached: true, stdio: ['ignore']}]);
Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
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child.unref();
// wait for chrome to load then continue
await wait(3000);
return child;
}
}
async function launchChrome(headless) {
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return await chromeLauncher.launch({
chromeFlags: [headless ? '--headless' : ''],
});
Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
2017-05-09 17:13:54 +01:00
}
async function runBenchmark(benchmark, headless) {
const results = {
runs: [],
averages: [],
};
await initChrome();
for (let i = 0; i < timesToRun; i++) {
update the benchmark script (#13994)
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let chrome = await launchChrome(headless);
Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
2017-05-09 17:13:54 +01:00
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results.runs.push(await runScenario(benchmark, chrome));
Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
2017-05-09 17:13:54 +01:00
// add a delay or sometimes it confuses lighthouse and it hangs
await wait(500);
try {
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await chrome.kill();
Add React benchmarking infrastructure (#9465) * Initial commit for WIP benchmarking infrastructure * fixed lint issues and ran prettier * added <rootDir>/scripts/bench/ to ignore paths for Jest * tidied up code and fixed a few bugs in the runner.js * fixed eslint * improved the benchmark output from the runner * fixed typo * tided up print output in runner.js * throw error if chrome canary is not installed on mac * added better bench stats output (tables) * added benchmark diff to table results * adds bundle size comparisons to results * tidied up the results * fixed prettier output * attempt to trigger bech for circleci build * fixes flow exlclusion for lighthouse module * added class components benchmark * cleaned up stats.js * stability changes * circleci node version to 7 * added another benchmark * added colours to the different benchmarks to check if being cached * force no-cache headers * added more info messages * refactor chrome launching. * fixed an issue where launcher.kill might fail * Move server to runner. Launch it only once. * tidy up * changes the logic in how the remote repo is checked out * removes bench from circleci build * removed colors from benchmarks (no longer needed) * added CI integration comment * added hacker news benchmark * added skipBuild functionality * relabelled remote * Add confidence intervals * added first meaningful paint * removed some unused code * reverted code.json * updated benchmark runs back to 10 * no longer breaks when results contain missing bundles * adds CPU throttling * renamed build to remote-repo * small fix to build * fixed bad merge * upped runs to 10 from 2 again * properly pulls master * removes old-bench * runs benchmarks in headless mode * adds a --headless option * improved the git build process * added README * updated based feedback from review * adds merge base commit sha * addressing more PR feedback * remove built JS react files * updated .gitignore * added combined bundle load times to the metrics
2017-05-09 17:13:54 +01:00
} catch (e) {}
}
results.averages = calculateAverages(results.runs);
return results;
}
module.exports = runBenchmark;
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