nodejs-mozilla/benchmark/async_hooks/gc-tracking.js

53 lines
1.1 KiB
JavaScript

'use strict';
const common = require('../common.js');
const { createHook, AsyncResource } = require('async_hooks');
const bench = common.createBenchmark(main, {
n: [1e6],
method: [
'trackingEnabled',
'trackingEnabledWithDestroyHook',
'trackingDisabled',
]
}, {
flags: ['--expose-gc']
});
function endAfterGC(n) {
setImmediate(() => {
global.gc();
setImmediate(() => {
bench.end(n);
});
});
}
function main({ n, method }) {
switch (method) {
case 'trackingEnabled':
bench.start();
for (let i = 0; i < n; i++) {
new AsyncResource('foobar');
}
endAfterGC(n);
break;
case 'trackingEnabledWithDestroyHook':
createHook({ destroy: () => {} }).enable();
bench.start();
for (let i = 0; i < n; i++) {
new AsyncResource('foobar');
}
endAfterGC(n);
break;
case 'trackingDisabled':
bench.start();
for (let i = 0; i < n; i++) {
new AsyncResource('foobar', { requireManualDestroy: true });
}
endAfterGC(n);
break;
default:
throw new Error(`Unsupported method "${method}"`);
}
}