benchmark/buffers/buffer-compare.js

// Copyright Joyent, Inc. and other Node contributors.
//
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// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
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// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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'use strict';
const common = require('../common.js');

const bench = common.createBenchmark(main, {
  size: [16, 512, 4096, 16386],
  n: [1e6]
});

function main({ n, size }) {
  const b0 = Buffer.alloc(size, 'a');
  const b1 = Buffer.alloc(size, 'a');

  b1[size - 1] = 'b'.charCodeAt(0);

  bench.start();
  for (let i = 0; i < n; i++) {
    Buffer.compare(b0, b1);
  }
  bench.end(n);
}