'use strict'; const common = require('../common.js'); const SlowBuffer = require('buffer').SlowBuffer; const bench = common.createBenchmark(main, { type: ['fast', 'slow'], n: [1024] }); const buf = Buffer.allocUnsafe(1024); const slowBuf = new SlowBuffer(1024); function main({ n, type }) { const b = type === 'fast' ? buf : slowBuf; bench.start(); for (var i = 0; i < n * 1024; i++) { b.slice(10, 256); } bench.end(n); }