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benchmark: add --runs support to run.js

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PR-URL: https://github.com/nodejs/node/pull/55158
Reviewed-By: Vinícius Lourenço Claro Cardoso <contact@viniciusl.com.br>
This commit is contained in:
Rafael Gonzaga 2024-10-18 12:33:58 -03:00 committed by GitHub
parent 7ae193d19f
commit 7c0cc12f0b
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GPG Key ID: B5690EEEBB952194
2 changed files with 60 additions and 39 deletions
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89
benchmark/run.js
View File

@ -12,6 +12,8 @@ const cli = new CLI(`usage: ./node run.js [options] [--] <category> ...
(can be repeated)
--exclude pattern excludes scripts matching <pattern> (can be
repeated)
--runs variable=value set the amount of benchmark suite execution.
Default: 1
--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
@ -45,8 +47,7 @@ if (format === 'csv') {
console.log('"filename", "configuration", "rate", "time"');
}
(function recursive(i) {
const filename = benchmarks[i];
function runBenchmark(filename) {
const scriptPath = path.resolve(__dirname, filename);
const args = cli.test ? ['--test'] : cli.optional.set;
@ -63,42 +64,52 @@ if (format === 'csv') {
);
}
if (format !== 'csv') {
console.log();
console.log(filename);
return new Promise((resolve, reject) => {
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}: ${rate}`);
}
});
child.once('close', (code) => {
if (code) {
reject(code);
} else {
resolve(code);
}
});
});
}
async function run() {
for (let i = 0; i < benchmarks.length; ++i) {
let runs = cli.optional.runs ?? 1;
const filename = benchmarks[i];
if (format !== 'csv') {
console.log();
console.log(filename);
}
while (runs-- > 0) {
await runBenchmark(filename);
}
}
}
child.on('message', (data) => {
if (data.type !== 'report') {
return;
}
// Construct configuration string, " A=a, B=b, ..."
let conf = '';
for (const key of Object.keys(data.conf)) {
if (conf !== '')
conf += ' ';
conf += `${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);
run();

10
doc/contributing/writing-and-running-benchmarks.md
View File

@ -174,6 +174,16 @@ It is possible to execute more groups by adding extra process arguments.
node benchmark/run.js assert async_hooks
```
It's also possible to execute the benchmark more than once using the
`--runs` flag.
```bash
node benchmark/run.js --runs 10 assert async_hooks
```
This command will run the benchmark files in `benchmark/assert` and `benchmark/async_hooks`
10 times each.
#### Specifying CPU Cores for Benchmarks with run.js
When using `run.js` to execute a group of benchmarks,