current/benchmark/misc/freelist.js
'use strict';
const common = require('../common.js');
const bench = common.createBenchmark(main, {
n: [100000]
}, {
flags: ['--expose-internals']
});
function main({ n }) {
let FreeList = require('internal/freelist');
if (FreeList.FreeList)
FreeList = FreeList.FreeList;
const poolSize = 1000;
const list = new FreeList('test', poolSize, Object);
let j;
const used = [];
// First, alloc `poolSize` items
for (j = 0; j < poolSize; j++) {
used.push(list.alloc());
}
bench.start();
for (let i = 0; i < n; i++) {
// Return all the items to the pool
for (j = 0; j < poolSize; j++) {
list.free(used[j]);
}
// Re-alloc from pool
for (j = 0; j < poolSize; j++) {
list.alloc();
}
}
bench.end(n);
}