Run results for: Md5 Comparison

Run details:
User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1 Safari/605.1.15
Browser: Safari 17
Operating system: Mac OS X 10.15.7
Device Platform: Desktop
Date tested: one year ago
Test name	Executions per second
Myers	29571.5 Ops/sec
New	507342.5 Ops/sec
Script Preparation code:
  var md5cycle = function(x, k) {
      var a = x[0],
          b = x[1],
          c = x[2],
          d = x[3];

      a = ff(a, b, c, d, k[0], 7, -680876936);
      d = ff(d, a, b, c, k[1], 12, -389564586);
      c = ff(c, d, a, b, k[2], 17, 606105819);
      b = ff(b, c, d, a, k[3], 22, -1044525330);
      a = ff(a, b, c, d, k[4], 7, -176418897);
      d = ff(d, a, b, c, k[5], 12, 1200080426);
      c = ff(c, d, a, b, k[6], 17, -1473231341);
      b = ff(b, c, d, a, k[7], 22, -45705983);
      a = ff(a, b, c, d, k[8], 7, 1770035416);
      d = ff(d, a, b, c, k[9], 12, -1958414417);
      c = ff(c, d, a, b, k[10], 17, -42063);
      b = ff(b, c, d, a, k[11], 22, -1990404162);
      a = ff(a, b, c, d, k[12], 7, 1804603682);
      d = ff(d, a, b, c, k[13], 12, -40341101);
      c = ff(c, d, a, b, k[14], 17, -1502002290);
      b = ff(b, c, d, a, k[15], 22, 1236535329);

      a = gg(a, b, c, d, k[1], 5, -165796510);
      d = gg(d, a, b, c, k[6], 9, -1069501632);
      c = gg(c, d, a, b, k[11], 14, 643717713);
      b = gg(b, c, d, a, k[0], 20, -373897302);
      a = gg(a, b, c, d, k[5], 5, -701558691);
      d = gg(d, a, b, c, k[10], 9, 38016083);
      c = gg(c, d, a, b, k[15], 14, -660478335);
      b = gg(b, c, d, a, k[4], 20, -405537848);
      a = gg(a, b, c, d, k[9], 5, 568446438);
      d = gg(d, a, b, c, k[14], 9, -1019803690);
      c = gg(c, d, a, b, k[3], 14, -187363961);
      b = gg(b, c, d, a, k[8], 20, 1163531501);
      a = gg(a, b, c, d, k[13], 5, -1444681467);
      d = gg(d, a, b, c, k[2], 9, -51403784);
      c = gg(c, d, a, b, k[7], 14, 1735328473);
      b = gg(b, c, d, a, k[12], 20, -1926607734);

      a = hh(a, b, c, d, k[5], 4, -378558);
      d = hh(d, a, b, c, k[8], 11, -2022574463);
      c = hh(c, d, a, b, k[11], 16, 1839030562);
      b = hh(b, c, d, a, k[14], 23, -35309556);
      a = hh(a, b, c, d, k[1], 4, -1530992060);
      d = hh(d, a, b, c, k[4], 11, 1272893353);
      c = hh(c, d, a, b, k[7], 16, -155497632);
      b = hh(b, c, d, a, k[10], 23, -1094730640);
      a = hh(a, b, c, d, k[13], 4, 681279174);
      d = hh(d, a, b, c, k[0], 11, -358537222);
      c = hh(c, d, a, b, k[3], 16, -722521979);
      b = hh(b, c, d, a, k[6], 23, 76029189);
      a = hh(a, b, c, d, k[9], 4, -640364487);
      d = hh(d, a, b, c, k[12], 11, -421815835);
      c = hh(c, d, a, b, k[15], 16, 530742520);
      b = hh(b, c, d, a, k[2], 23, -995338651);

      a = ii(a, b, c, d, k[0], 6, -198630844);
      d = ii(d, a, b, c, k[7], 10, 1126891415);
      c = ii(c, d, a, b, k[14], 15, -1416354905);
      b = ii(b, c, d, a, k[5], 21, -57434055);
      a = ii(a, b, c, d, k[12], 6, 1700485571);
      d = ii(d, a, b, c, k[3], 10, -1894986606);
      c = ii(c, d, a, b, k[10], 15, -1051523);
      b = ii(b, c, d, a, k[1], 21, -2054922799);
      a = ii(a, b, c, d, k[8], 6, 1873313359);
      d = ii(d, a, b, c, k[15], 10, -30611744);
      c = ii(c, d, a, b, k[6], 15, -1560198380);
      b = ii(b, c, d, a, k[13], 21, 1309151649);
      a = ii(a, b, c, d, k[4], 6, -145523070);
      d = ii(d, a, b, c, k[11], 10, -1120210379);
      c = ii(c, d, a, b, k[2], 15, 718787259);
      b = ii(b, c, d, a, k[9], 21, -343485551);

      x[0] = add32(a, x[0]);
      x[1] = add32(b, x[1]);
      x[2] = add32(c, x[2]);
      x[3] = add32(d, x[3]);

  }

  var cmn = function(q, a, b, x, s, t) {
      a = add32(add32(a, q), add32(x, t));
      return add32((a << s) | (a >>> (32 - s)), b);
  }

  var ff = function(a, b, c, d, x, s, t) {
      return cmn((b & c) | ((~b) & d), a, b, x, s, t);
  }

  var gg = function(a, b, c, d, x, s, t) {
      return cmn((b & d) | (c & (~d)), a, b, x, s, t);
  }

  var hh = function(a, b, c, d, x, s, t) {
      return cmn(b ^ c ^ d, a, b, x, s, t);
  }

  var ii = function(a, b, c, d, x, s, t) {
      return cmn(c ^ (b | (~d)), a, b, x, s, t);
  }

  var md51 = function(s) {
      var txt = '',
          n = s.length,
          state = [1732584193, -271733879, -1732584194, 271733878],
          i;
      for (i = 64; i <= s.length; i += 64) {
          md5cycle(state, md5blk(s.substring(i - 64, i)));
      }
      s = s.substring(i - 64);
      var tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
      for (i = 0; i < s.length; i++)
          tail[i >> 2] |= s.charCodeAt(i) << ((i % 4) << 3);
      tail[i >> 2] |= 0x80 << ((i % 4) << 3);
      if (i > 55) {
          md5cycle(state, tail);
          for (i = 0; i < 16; i++) tail[i] = 0;
      }
      tail[14] = n * 8;
      md5cycle(state, tail);
      return state;
  }
  var md5blk = function(s) {
      var md5blks = [],
          i;
      for (i = 0; i < 64; i += 4) {
          md5blks[i >> 2] = s.charCodeAt(i) + (s.charCodeAt(i + 1) << 8) + (s.charCodeAt(i + 2) << 16) + (s.charCodeAt(i + 3) << 24);
      }
      return md5blks;
  }

  var hex_chr = '0123456789abcdef'.split('');

  var rhex = function(n) {
      var s = '',
          j = 0;
      for (; j < 4; j++)
          s += hex_chr[(n >> (j * 8 + 4)) & 0x0F] + hex_chr[(n >> (j * 8)) & 0x0F];
      return s;
  }

  var hex = function(x) {
      for (var i = 0; i < x.length; i++)
          x[i] = rhex(x[i]);
      return x.join('');
  }

  var md5 = function(s) {
      return hex(md51(s));
  }

  var add32 = function(a, b) {
      return (a + b) & 0xFFFFFFFF;
  }

  if (md5('hello') != '5d41402abc4b2a76b9719d911017c592') {
      add32 = function(x, y) {
          var lsw = (x & 0xFFFF) + (y & 0xFFFF),
              msw = (x >> 16) + (y >> 16) + (lsw >> 16);
          return (msw << 16) | (lsw & 0xFFFF);
      }
  }

  function md5_new(inputString) {
      var hc = "0123456789abcdef";

      function rh(n) {
          var j, s = "";
          for (j = 0; j <= 3; j++) s += hc.charAt((n >> (j * 8 + 4)) & 0x0F) + hc.charAt((n >> (j * 8)) & 0x0F);
          return s;
      }

      function ad(x, y) {
          var l = (x & 0xFFFF) + (y & 0xFFFF);
          var m = (x >> 16) + (y >> 16) + (l >> 16);
          return (m << 16) | (l & 0xFFFF);
      }

      function rl(n, c) {
          return (n << c) | (n >>> (32 - c));
      }

      function cm(q, a, b, x, s, t) {
          return ad(rl(ad(ad(a, q), ad(x, t)), s), b);
      }

      function ff(a, b, c, d, x, s, t) {
          return cm((b & c) | ((~b) & d), a, b, x, s, t);
      }

      function gg(a, b, c, d, x, s, t) {
          return cm((b & d) | (c & (~d)), a, b, x, s, t);
      }

      function hh(a, b, c, d, x, s, t) {
          return cm(b ^ c ^ d, a, b, x, s, t);
      }

      function ii(a, b, c, d, x, s, t) {
          return cm(c ^ (b | (~d)), a, b, x, s, t);
      }

      function sb(x) {
          var i;
          var nblk = ((x.length + 8) >> 6) + 1;
          var blks = new Array(nblk * 16);
          for (i = 0; i < nblk * 16; i++) blks[i] = 0;
          for (i = 0; i < x.length; i++) blks[i >> 2] |= x.charCodeAt(i) << ((i % 4) * 8);
          blks[i >> 2] |= 0x80 << ((i % 4) * 8);
          blks[nblk * 16 - 2] = x.length * 8;
          return blks;
      }
      var i, x = sb("" + inputString),
          a = 1732584193,
          b = -271733879,
          c = -1732584194,
          d = 271733878,
          olda, oldb, oldc, oldd;
      for (i = 0; i < x.length; i += 16) {
          olda = a;
          oldb = b;
          oldc = c;
          oldd = d;
          a = ff(a, b, c, d, x[i + 0], 7, -680876936);
          d = ff(d, a, b, c, x[i + 1], 12, -389564586);
          c = ff(c, d, a, b, x[i + 2], 17, 606105819);
          b = ff(b, c, d, a, x[i + 3], 22, -1044525330);
          a = ff(a, b, c, d, x[i + 4], 7, -176418897);
          d = ff(d, a, b, c, x[i + 5], 12, 1200080426);
          c = ff(c, d, a, b, x[i + 6], 17, -1473231341);
          b = ff(b, c, d, a, x[i + 7], 22, -45705983);
          a = ff(a, b, c, d, x[i + 8], 7, 1770035416);
          d = ff(d, a, b, c, x[i + 9], 12, -1958414417);
          c = ff(c, d, a, b, x[i + 10], 17, -42063);
          b = ff(b, c, d, a, x[i + 11], 22, -1990404162);
          a = ff(a, b, c, d, x[i + 12], 7, 1804603682);
          d = ff(d, a, b, c, x[i + 13], 12, -40341101);
          c = ff(c, d, a, b, x[i + 14], 17, -1502002290);
          b = ff(b, c, d, a, x[i + 15], 22, 1236535329);
          a = gg(a, b, c, d, x[i + 1], 5, -165796510);
          d = gg(d, a, b, c, x[i + 6], 9, -1069501632);
          c = gg(c, d, a, b, x[i + 11], 14, 643717713);
          b = gg(b, c, d, a, x[i + 0], 20, -373897302);
          a = gg(a, b, c, d, x[i + 5], 5, -701558691);
          d = gg(d, a, b, c, x[i + 10], 9, 38016083);
          c = gg(c, d, a, b, x[i + 15], 14, -660478335);
          b = gg(b, c, d, a, x[i + 4], 20, -405537848);
          a = gg(a, b, c, d, x[i + 9], 5, 568446438);
          d = gg(d, a, b, c, x[i + 14], 9, -1019803690);
          c = gg(c, d, a, b, x[i + 3], 14, -187363961);
          b = gg(b, c, d, a, x[i + 8], 20, 1163531501);
          a = gg(a, b, c, d, x[i + 13], 5, -1444681467);
          d = gg(d, a, b, c, x[i + 2], 9, -51403784);
          c = gg(c, d, a, b, x[i + 7], 14, 1735328473);
          b = gg(b, c, d, a, x[i + 12], 20, -1926607734);
          a = hh(a, b, c, d, x[i + 5], 4, -378558);
          d = hh(d, a, b, c, x[i + 8], 11, -2022574463);
          c = hh(c, d, a, b, x[i + 11], 16, 1839030562);
          b = hh(b, c, d, a, x[i + 14], 23, -35309556);
          a = hh(a, b, c, d, x[i + 1], 4, -1530992060);
          d = hh(d, a, b, c, x[i + 4], 11, 1272893353);
          c = hh(c, d, a, b, x[i + 7], 16, -155497632);
          b = hh(b, c, d, a, x[i + 10], 23, -1094730640);
          a = hh(a, b, c, d, x[i + 13], 4, 681279174);
          d = hh(d, a, b, c, x[i + 0], 11, -358537222);
          c = hh(c, d, a, b, x[i + 3], 16, -722521979);
          b = hh(b, c, d, a, x[i + 6], 23, 76029189);
          a = hh(a, b, c, d, x[i + 9], 4, -640364487);
          d = hh(d, a, b, c, x[i + 12], 11, -421815835);
          c = hh(c, d, a, b, x[i + 15], 16, 530742520);
          b = hh(b, c, d, a, x[i + 2], 23, -995338651);
          a = ii(a, b, c, d, x[i + 0], 6, -198630844);
          d = ii(d, a, b, c, x[i + 7], 10, 1126891415);
          c = ii(c, d, a, b, x[i + 14], 15, -1416354905);
          b = ii(b, c, d, a, x[i + 5], 21, -57434055);
          a = ii(a, b, c, d, x[i + 12], 6, 1700485571);
          d = ii(d, a, b, c, x[i + 3], 10, -1894986606);
          c = ii(c, d, a, b, x[i + 10], 15, -1051523);
          b = ii(b, c, d, a, x[i + 1], 21, -2054922799);
          a = ii(a, b, c, d, x[i + 8], 6, 1873313359);
          d = ii(d, a, b, c, x[i + 15], 10, -30611744);
          c = ii(c, d, a, b, x[i + 6], 15, -1560198380);
          b = ii(b, c, d, a, x[i + 13], 21, 1309151649);
          a = ii(a, b, c, d, x[i + 4], 6, -145523070);
          d = ii(d, a, b, c, x[i + 11], 10, -1120210379);
          c = ii(c, d, a, b, x[i + 2], 15, 718787259);
          b = ii(b, c, d, a, x[i + 9], 21, -343485551);
          a = ad(a, olda);
          b = ad(b, oldb);
          c = ad(c, oldc);
          d = ad(d, oldd);
      }
      return rh(a) + rh(b) + rh(c) + rh(d);
  }
Tests:
Myers
var x = md5("Hello");
New
var x = md5_new("Hello");
Run results for: Md5 Comparison

Myers

New
