How to use the bench.runMain function in bench

function start () {
  test = [sreq, sres, creq, cres]
  // test = sreq
  // sreq.sres = sres
  // sreq.creq = creq
  // sreq.cres = cres

  for (var i in exports.compare) {
    console.log(i)
    var hash = exports.compare[i]()
    console.log(hash)
    console.log(hash.length)
    console.log('')
  }

  require('bench').runMain()
}

};

  let num = 1;
  exports.done = function (data) {
    profile.stop().then(() => console.log('Profiling stopped'));
    bench.show(data);
    console.error('done', num);
    num = num + 1;
  };

  exports.time = 1000;
  exports.countPerLap = 6;
  exports.compareCount = 8;
  profile.start();
  const bench = require('bench');
  bench.runMain();
}

};

  let num = 1;
  exports.done = function (data) {
    profile.stop().then(() => console.log('Profiling stopped'));
    bench.show(data);
    console.error('done', num);
    num = num + 1;
  };

  exports.time = 1000;
  exports.countPerLap = 6;
  exports.compareCount = 8;
  profile.start();
  const bench = require('bench');
  bench.runMain();
}

var lp = require('../')
var coffee_partition = require('../test/alternate-implementation')

var weird_example = [0.5759878419452887, 1.0425531914893618, 0.8064516129032258, 0.7072135785007072, 0.3473336479471449, 0.6665, 2, 1.5066339066339067, 0.6408364083640836, 0.9742647058823529, 0.5703373647358371, 0.8057142857142857, 0.6533333333333333, 1.501466275659824, 0.6713333333333333, 1.393939393939394, 1.7777777777777777, 2.7015873015873018, 0.8764044943820225, 1.5005861664712778, 0.6323333333333333, 0.8166666666666667, 0.6666666666666666, 0.7692307692307693, 0.736875, 1.3333333333333333, 0.8301610541727672, 0.75, 0.7936507936507936, 0.5167322834645669, 0.7545126353790613, 0.7692307692307693, 0.707635009310987, 2, 0.6666666666666666, 0.7368055555555556, 0.74, 0.6614583333333334, 0.7692307692307693, 1.5060240963855422, 0.653, 1.7760416666666667, 1.5060240963855422, 1.3212435233160622, 0.9815157116451017, 0.6214833759590793, 1.3333333333333333, 0.8771929824561403, 0.7173601147776184, 0.6666666666666666, 0.8896797153024911, 1, 0.7604562737642585, 0.67, 1.5, 0.6521885521885522]

exports.compare = {
  coffeescript: ()=> coffee_partition(weird_example, 33)
, ours: ()=> lp(weird_example, 33)
}

require('bench').runMain()

setTimeout(function () {
  require('bench').runMain();
}, 1000);

exports.compare.diffRenderer = function() {
    serializeHtml(html)
}

exports.compare.htmlParser = function() {
    htmlParser.HTMLParser(html, {})
}

exports.compare.htmltree = function() {
    htmltree(html, noop)
}

exports.stepsPerLap = 10

require('bench').runMain()

natok.addRule(options, handler)

var s = 'z'
var buf = new Buffer(s)

var compare = exports.compare = {}
compare[Atok.version] = function () {
	atok.write(s)
}
compare[newAtok.version + ' string'] = function () {
	natok.write(s)
}
compare[newAtok.version + ' buffer'] = function () {
	natok.write(buf)
}
require("bench").runMain()