fastest round

Benchmark created by Timo on

Setup

var nums = [0,3021.04780,16632911222.538,16122865.3,-83367478217.9328,-2901084.4,-38034625968209.9,-168.835339,284355345357209.6,-23613805,-26204420911.923,-13684.134945751,1740365111492,-28.6994070,-37105282286.8787,-14510.62640,-2100632295047,161.017,-11844438972,-392451218.15,40357794288.76,6428.9461,408995162069401.6,22572921,176449621327.87,-15,-1297685541814.27,502155.773,-340228665927.2704,2.4131,26315052348866.5,47913,-2214797361,3821,-3195453470.408,-1.47618,-2514065901,-31,-3457707323.424,-164730.8575,-3519001850.28,3019.963380,-409186541030.6,136529.9702,44612908230.9017,-25.4039,40139641449.3491,-2143.9729,9387023982.919,1141.79209953280,2826408896.2,-18930.824,-335656031092736,95836.405392,-26251238068.71552,4.4299,-385226760624.5,-29,-16152220789.63,27.8498033375,-3748229137.03,488436372.8650,-41529997063,-44672.79,-4317985539.8830,-188197172.255,-180744014004.2240,-341080.20988313,-39067705608765.44,-1,19353195658.6,-2.2,2242749470.343,-1003.750,4168592648044.54,428.90427199,-30279703860.34,-3.11,-2977631247007.744,-4,647479104110.592,-815.84233,2997753474,-1.5969528064245,4178823939.6208,4.2097954,13688506417152.0,-3.14,-43777605375098.88,1185476.614553600,-2604821454520,2523.3819,-387425587586,176.03,-124942548992.0000,-2322,273311539920896,2,3657721136,-898433.25,-35671850038.06720,-4.43,385928510465,-2733.8931,-28005507058.8928,-2.092364,-26851257708.70,-2803.334,1265746327896064,-390789002.0614,250472444408.6,127781.6465,-70831336482.406,-1.7,3038834828.77132,-8.86901,-36802832787046,436.7114307,444828033954.6,3011,27292331723980.80,-2121.131,26674529031,431563.93720,-2613921831714816,1917619,1351874787672,-30,-186111007234,-3.1,28134498809.93,-816823.624794112,170901861144.9,-838534.827,1217405531455488,17.0233788,-3430986062.75,444159.4971,-20007701698.31,10126170.3,2934704898572.28,-6.5,-27670927219097,26505.8004,-11112860792.9139,-6084619.93,17802225128.57,709897.04593408,-3432033669873.664,-406627034.96232,-10106714078.576,3674011.9,18739622209,266542,-216084774912,-2369.2681,-789420282216.4,-72.874045997056,175424205855129,1.410,-419730911395.8400,116914.938865,103410381409.4,-1.91,-28881288261.79,-19531.369,1841764767891,1199,368657639984,-25.1986364,7155383260938.2,2.67,20943454821416.96,-3.96,-3379059098.64857,-479,-13888736953,-9,-296281820679,-84.199,26837580838.33856,40,-42526248072642.5,-3.61576890,-29820367342141.4,270.4890237288,-337937412443.34,344.82,-1902744117968,-48.030397,38299929747.12832,-2.710,3314798087.37,-287758.95720263,-30700215090,284102.0,13702322496471.0,8.93,16171875717.61,32.49584,29444206682439.68,-1.23,3426429756768256,-342.354,-415534431390.92,-2.5641941551,-14761039778283.52,-2.58,39827355887.206,-8727321.955532,-329598794255564.8,7.03944804270080,-126033596933.7,1594.34,33404281830768,33.14261,3116207242739.71,87,-1750347089444.864,23563.6845,-325895142034.63,-100.6011812937,-2834835492044,-202627.1,52812152255.283,19.326963223,413854943569.510,-3.454,23319367227.801,25658243.25877,18206249011.11,-41.9,2190495707.0376,1.405,238783405699891,-27458.3,-3636566710,-429.916183,375952129812.070,25799576,2657516936757.24,3.6336017531207,35590817343.0,-2.2265252,-31306879682478,-262692.5084278,132550062243,316035.861315584,-21914893041.008,-118,-21046859220,22561.89983,-163371565868646,-1893450123.3131,289651846178406.4,824.94283,-4366537490169.856,81.89,329733575698.022,23085.940662599,14478789585141.7,4.081,581077856944128,-2.0,39277691005.829,33282469.469,445005986529.280,-415474940.2218,-27001906496.79872,-25.4747191,3976965388238.8,139175,38933905633.4,-298.6891,3800691621.49,22411.3329596006,-22783866007715.8,2.039111,427115329617.92,23.99622,-1184615679131.64,-3,-58513376568.9,2.90232,-3099167035490304,3,-16912746796.8,793.97082942668,-68393401057.2800,-15368.9689948160,-4134613182,305.0021,252264182710.272,3.9,-3625418003316736,-76900.68479,-2327193300500.48,1,3032419586.2773,1115179,-1317155152855.0,-1578448,1673676177014.784,36753.331191808,-16276878985789,-7.7112,13288569632194,-3.9050304867532,407538525588.684,407760,-3732346696,99.1625,313532998483.9,23.90,-2434026216357.888,1.269,508515516940.2,69.061889228800,4079841775,-8.9,-38785963891097,-13262156.673,-4490833306.845184,-2.3774,-3814616895324.16,-9.512721,-11287762221137,29264.664,-36674098901811.2,-1566.012877045,2276389877186,427402732.97,-71594581531033,-97.3180,2644533313.5360,18761.8,-94854306594.8,29042294,3933994659872,35.2684,6588843142.6,3404.26716348,41892103868.9075,119.247502,2927149572,4.4,22751722455.6,-347121450.4837120,13150568474.21,33928.4510480793,-3896767917588,-214388679.7438976,-4189182410,-227906,-2157549264.568,3952081.02,-3342566346.98,412.4214,-12712790846,1269283.4,78057117319168,267.964,1985460263976,23379.3924,-2779797948203.0,26.14699128520,-56152390683.8,-5.3256196508,27401771013.8982,151.9,-21964159209.9,2.65214,36560032707.37920,44209.88,-3149459647102.9,25.03862829187,-29514161255874.5,-4.44924,3893927690108.928,207.986171,29268406666526,-28.204090492,11316555195.35,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        -4503599627370489,4503599627370489,
        -4503599627370490,4503599627370490,
        -4503599627370491,4503599627370491,
        -4503599627370492,4503599627370492,
        -4503599627370493,4503599627370493,
        -4503599627370494,4503599627370494,
        -4503599627370495,4503599627370495];
    
    var int32min = -2147483648;
    var int32max = 2147483647;
    
    var R0 = function (a)
    {
        return a < 0 ? parseInt(a - 0.5, 10) : parseInt(a + 0.5, 10);
    };
    var R1=function(a) { return a < 0 ? Math.ceil(a-0.5): Math.round(a)};
    var R2=function(a) { return a < 0 ? Math.ceil(a-0.5): Math.floor(a + 0.5)};
    var R3=function(a) { return a < 0 ? -Math.round(Math.abs(a)): Math.round(a)};
    var R4=function(a)
    {    
      if (a<0)  
      {
        a-=0.5;
        if (a < int32min)
        b = Math.ceil(a);
        else b = a | 0;
      }
      else 
      {
        a+=0.5;
        if (a > int32max)
        b = Math.floor(a);
        else b = a | 0;
      }
      return b;
    }
    var R5=function(a)
    {    
      if (a<0)  
      {
        a-=0.5;
        if (a < int32min)
        b = Math.ceil(a);
        else b = ~~a;
      }
      else 
      {
        a+=0.5;
        if (a > int32max)
        b = Math.floor(a);
        else b = ~~a;
      }
      return b;
    }
    if (typeof(Number.toInteger)=="function") var R6 = function(a)
    {
      return a < 0 ? Number.toInteger(a - 0.5) : Number.toInteger(a + 0.5);
    }
    else var R6 = function (a)
    {
      if (a < 0)
      {
        a-=0.5;
        var s = a.toString();
        var i = s.indexOf(".");
        if (i!=-1) return Number(s.substring(0,i));
        else return Number(a);
      }
      else
      {
        a+=0.5;
        var s = a.toString();
        var i = s.indexOf(".");
        if (i!=-1) return Number(s.substring(0,i));
        else return Number(a);
      }
    }
    
    var a,b,c,d,e,f,g,h,j;
        for(i=0;i<nums.length;i++)
        {
          a = nums[i];
          b = R0(a);
          c = R1(a);
          d = R2(a);
          e = R3(a);
          f = R4(a);
          g = R5(a);
          h = R6(a);
          j = R6(a);
          //console.log(b, c, d, e, f, g, h, j);
          // typeof(b), typeof(c), typeof(d), typeof(e), typeof(f), typeof(g), typeof(h) )
          if (!(  b===c && b===d && b===e && b===f && b===g && b===h && b===j
             && c===c && c===d && c===e && c===f && c===g && c===h && c===j
             && d===c && d===d && d===e && d===f && d===g && d===h && d===j
             && e===c && e===d && e===e && e===f && e===g && e===h && e===j
             && f===c && f===d && f===e && f===f && f===g && f===h && f===j
             && g===c && g===d && g===e && g===f && g===g && g===h && g===j
             && h===c && h===d && h===e && h===f && h===g && h===h && h===j
               && j===c && j===d && j===e && j===f && j===g && j===h && j===j )
             ) alert("SOME FUNCTION DOES NOT TRUNCATE IN SAME WAY!");
        }

Test runner

Ready to run.

Testing in
TestOps/sec
R0
var a,b,i;
for(i=0;i<nums.length;i++)
{
  a = nums[i];
  b = R0(a);
}
ready
R1
var a,b,i;
for(i=0;i<nums.length;i++)
{
  a = nums[i];
  b = R1(a);
}
ready
R2
var a,b,i;
for(i=0;i<nums.length;i++)
{
  a = nums[i];
  b = R2(a);
}
ready
R3
var a,b,i;
for(i=0;i<nums.length;i++)
{
  a = nums[i];
  b = R3(a);
}
ready
R4
var a,b,i;
for(i=0;i<nums.length;i++)
{
  a = nums[i];
  b = R4(a);
}
ready
R5
var a,b,i;
for(i=0;i<nums.length;i++)
{
  a = nums[i];
  b = R5(a);
}
ready
R6
var a,b,i;
for(i=0;i<nums.length;i++)
{
  a = nums[i];
  b = R6(a);
}
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

  • Revision 1: published by Timo on