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'use strict';
const path = require('path');
const fork = require('child_process').fork;
const CLI = require('./_cli.js');
const cli = new CLI(`usage: ./node run.js [options] [--] <category> ...
Run each benchmark in the <category> directory a single time, more than one
<category> directory can be specified.
--filter pattern includes only benchmark scripts matching <pattern>
(can be repeated)
--exclude pattern excludes scripts matching <pattern> (can be
repeated)
--set variable=value set benchmark variable (can be repeated)
--format [simple|csv] optional value that specifies the output format
test only run a single configuration from the options
matrix
all each benchmark category is run one after the other
`, { arrayArgs: ['set', 'filter', 'exclude'] });
const benchmarks = cli.benchmarks();
if (benchmarks.length === 0) {
console.error('No benchmarks found');
process.exitCode = 1;
return;
}
const validFormats = ['csv', 'simple'];
const format = cli.optional.format || 'simple';
if (!validFormats.includes(format)) {
console.error('Invalid format detected');
process.exitCode = 1;
return;
}
if (format === 'csv') {
console.log('"filename", "configuration", "rate", "time"');
}
(function recursive(i) {
const filename = benchmarks[i];
const child = fork(
path.resolve(__dirname, filename),
cli.test ? ['--test'] : cli.optional.set
);
if (format !== 'csv') {
console.log();
console.log(filename);
}
child.on('message', (data) => {
if (data.type !== 'report') {
return;
}
// Construct configuration string, " A=a, B=b, ..."
let conf = '';
for (const key of Object.keys(data.conf)) {
if (conf !== '')
conf += ' ';
conf += `${key}=${JSON.stringify(data.conf[key])}`;
}
if (format === 'csv') {
// Escape quotes (") for correct csv formatting
conf = conf.replace(/"/g, '""');
console.log(`"${data.name}", "${conf}", ${data.rate}, ${data.time}`);
} else {
let rate = data.rate.toString().split('.');
rate[0] = rate[0].replace(/(\d)(?=(?:\d\d\d)+(?!\d))/g, '$1,');
rate = (rate[1] ? rate.join('.') : rate[0]);
console.log(`${data.name} ${conf}: ${rate}`);
}
});
child.once('close', (code) => {
if (code) {
process.exit(code);
}
// If there are more benchmarks execute the next
if (i + 1 < benchmarks.length) {
recursive(i + 1);
}
});
})(0);
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