for each benchmark for TypeBitSet

t.js

/* performance benchmark */
/* This script expects node.js */

"use strict";

const { TypedFastBitSet, SparseTypedFastBitSet } = require("../lib");
const Benchmark = require("benchmark");
const os = require("os");

const smallgap = 3;
const largegap = 210;
const N = 1024 * 1024;
function ForEachBench() {
  console.log("starting forEach benchmark");
  const tb = new TypedFastBitSet();
  const stb = new SparseTypedFastBitSet();

  const s = new Set();
  for (let i = 0; i < N; i++) {
    tb.add(smallgap * i + 5);
    stb.add(smallgap * i + 5);
  }

  const suite = new Benchmark.Suite();
  // add tests
  const ms = suite
    .add("TypedFastBitSet", function () {
      let card = 0;
      const inc = function () {
        card++;
      };
      tb.forEach(inc);
      return card;
    })
    .add("SparseTypedFastBitSet", function () {
      let card = 0;
      const inc = function () {
        card++;
      };
      stb.forEach(inc);
      return card;
    })
    // add listeners
    .on("cycle", function (event) {
      console.log(String(event.target));
    })
    // run async
    .run({ async: false });
}


const main = function () {
  console.log(
    "Platform: " + process.platform + " " + os.release() + " " + process.arch
  );
  console.log(os.cpus()[0]["model"]);
  console.log(
    "Node version " +
      process.versions.node +
      ", v8 version " +
      process.versions.v8
  );
  console.log("");
  ForEachBench();
  console.log("");
};

if (require.main === module) {
  main();
}