Created
September 3, 2020 17:59
-
-
Save amrali-eg/f24d29df8a23b61bfa36f06bfa19e3b1 to your computer and use it in GitHub Desktop.
Untitled benchmark (http://jsbench.github.io/#f24d29df8a23b61bfa36f06bfa19e3b1) #jsbench #jsperf
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"/> | |
<title>Untitled benchmark</title> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script> | |
<script src="./suite.js"></script> | |
</head> | |
<body> | |
<h1>Open the console to view the results</h1> | |
<h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2> | |
</body> | |
</html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
"use strict"; | |
(function (factory) { | |
if (typeof Benchmark !== "undefined") { | |
factory(Benchmark); | |
} else { | |
factory(require("benchmark")); | |
} | |
})(function (Benchmark) { | |
var suite = new Benchmark.Suite; | |
Benchmark.prototype.setup = function () { | |
// Solution 1 | |
var DecimalPrecision = (function() { | |
if (Math.sign === undefined) { | |
Math.sign = function(x) { | |
return ((x > 0) - (x < 0)) || +x; | |
}; | |
} | |
if (Math.trunc === undefined) { | |
Math.trunc = function(v) { | |
return v < 0 ? Math.ceil(v) : Math.floor(v); | |
}; | |
} | |
return { | |
// Decimal round (half away from zero) | |
round: function(num, decimalPlaces) { | |
num = (num + 'e').split('e'); | |
num = Math.sign(+num[0]) * Math.round(Math.abs(+num[0]) + 'e' + (+num[1] + decimalPlaces)); | |
num = (num + 'e').split('e'); | |
return +(num[0] + 'e' + (+num[1] - decimalPlaces)); | |
}, | |
// Decimal ceil | |
ceil: function(num, decimalPlaces) { | |
num = (num + 'e').split('e'); | |
num = Math.ceil(num[0] + 'e' + (+num[1] + decimalPlaces)); | |
num = (num + 'e').split('e'); | |
return +(num[0] + 'e' + (+num[1] - decimalPlaces)); | |
}, | |
// Decimal floor | |
floor: function(num, decimalPlaces) { | |
num = (num + 'e').split('e'); | |
num = Math.floor(num[0] + 'e' + (+num[1] + decimalPlaces)); | |
num = (num + 'e').split('e'); | |
return +(num[0] + 'e' + (+num[1] - decimalPlaces)); | |
}, | |
// Decimal trunc | |
trunc: function(num, decimalPlaces) { | |
num = (num + 'e').split('e'); | |
num = Math.trunc(num[0] + 'e' + (+num[1] + decimalPlaces)); | |
num = (num + 'e').split('e'); | |
return +(num[0] + 'e' + (+num[1] - decimalPlaces)); | |
} | |
}; | |
})(); | |
// Solution 2 | |
var DecimalPrecision2 = (function() { | |
if (Number.EPSILON === undefined) { | |
Number.EPSILON = Math.pow(2, -52); | |
} | |
if (Math.trunc === undefined) { | |
Math.trunc = function(v) { | |
return v < 0 ? Math.ceil(v) : Math.floor(v); | |
}; | |
} | |
return { | |
isRound: function(num, decimalPlaces) { | |
//return this.round(num, decimalPlaces) === num; | |
return decimalPlaces >= 0 && | |
+num.toFixed(decimalPlaces) === num; | |
}, | |
// Decimal round (half away from zero) | |
round: function(num, decimalPlaces) { | |
var p = Math.pow(10, decimalPlaces); | |
var e = Number.EPSILON * num * p; | |
return Math.round((num * p) + e) / p; | |
}, | |
// Decimal ceil | |
ceil: function(num, decimalPlaces) { | |
if (this.isRound(num, decimalPlaces)) | |
return num; | |
var p = Math.pow(10, decimalPlaces); | |
return Math.ceil(num * p) / p; | |
}, | |
// Decimal floor | |
floor: function(num, decimalPlaces) { | |
if (this.isRound(num, decimalPlaces)) | |
return num; | |
var p = Math.pow(10, decimalPlaces); | |
return Math.floor(num * p) / p; | |
}, | |
// Decimal trunc | |
trunc: function(num, decimalPlaces) { | |
if (this.isRound(num, decimalPlaces)) | |
return num; | |
var p = Math.pow(10, decimalPlaces); | |
return Math.trunc(num * p) / p; | |
} | |
}; | |
})(); | |
// Solution 3 | |
var DecimalPrecision3 = (function() { | |
if (Math.trunc === undefined) { | |
Math.trunc = function(v) { | |
return v < 0 ? Math.ceil(v) : Math.floor(v); | |
}; | |
} | |
return { | |
// Decimal round (half away from zero) | |
round: function(num, decimalPlaces) { | |
var d = decimalPlaces || 0; | |
var m = Math.pow(10, d); | |
var n = +(d ? num * m : num).toFixed(8); | |
var i = Math.floor(n), f = n - i; | |
var e = 1e-8; // Allow for rounding errors in f | |
var r = (f > 0.5 - e && f < 0.5 + e) ? | |
((n < 0) ? i : i + 1) : | |
Math.round(n); | |
return d ? r / m : r; | |
}, | |
// Decimal ceil | |
ceil: function(num, decimalPlaces) { | |
var d = decimalPlaces || 0; | |
var m = Math.pow(10, d); | |
var n = +(d ? num * m : num).toFixed(8); | |
var i = Math.ceil(n); | |
return d ? i / m : i; | |
}, | |
// Decimal floor | |
floor: function(num, decimalPlaces) { | |
var d = decimalPlaces || 0; | |
var m = Math.pow(10, d); | |
var n = +(d ? num * m : num).toFixed(8); | |
var i = Math.floor(n); | |
return d ? i / m : i; | |
}, | |
// Decimal trunc | |
trunc: function(num, decimalPlaces) { | |
var d = decimalPlaces || 0; | |
var m = Math.pow(10, d); | |
var n = +(d ? num * m : num).toFixed(8); | |
var i = Math.trunc(n); | |
return d ? i / m : i; | |
} | |
}; | |
})(); | |
// Solution 4 | |
var DecimalPrecision4 = (function() { | |
if (Math.sign === undefined) { | |
Math.sign = function(x) { | |
return ((x > 0) - (x < 0)) || +x; | |
}; | |
} | |
if (Math.trunc === undefined) { | |
Math.trunc = function(v) { | |
return v < 0 ? Math.ceil(v) : Math.floor(v); | |
}; | |
} | |
// Eliminate floating-point inaccuracies. | |
var strip = function(num) { | |
return parseFloat((num).toPrecision(15)); | |
}; | |
return { | |
// Decimal round (half away from zero) | |
round: function(num, decimalPlaces) { | |
var p = Math.pow(10, decimalPlaces); | |
var r = Math.round((Math.abs(num) * p).toPrecision(15)) / p; | |
return Math.sign(num) * r; | |
}, | |
// Decimal ceil | |
ceil: function(num, decimalPlaces) { | |
var p = Math.pow(10, decimalPlaces); | |
return Math.ceil((num * p).toPrecision(15)) / p; | |
}, | |
// Decimal floor | |
floor: function(num, decimalPlaces) { | |
var p = Math.pow(10, decimalPlaces); | |
return Math.floor((num * p).toPrecision(15)) / p; | |
}, | |
// Decimal trunc | |
trunc: function(num, decimalPlaces) { | |
var p = Math.pow(10, decimalPlaces); | |
return Math.trunc((num * p).toPrecision(15)) / p; | |
} | |
}; | |
})(); | |
}; | |
suite.add("Solution 1 (Exponential notation)", function () { | |
/** Solution 1 (Exponential notation) **/ | |
DecimalPrecision.round(0.5, 0); | |
DecimalPrecision.round(-0.5, 0); | |
DecimalPrecision.ceil(1e-8, 2); | |
DecimalPrecision.floor(1e-8, 2); | |
DecimalPrecision.round(5.12, 1); | |
DecimalPrecision.round(-5.12, 1); | |
DecimalPrecision.ceil(5.12, 1); | |
DecimalPrecision.ceil(-5.12, 1); | |
DecimalPrecision.floor(5.12, 1); | |
DecimalPrecision.floor(-5.12, 1); | |
DecimalPrecision.trunc(5.12, 1); | |
DecimalPrecision.trunc(-5.12, 1); | |
DecimalPrecision.round(1.005, 2); | |
DecimalPrecision.round(39.425, 2); | |
DecimalPrecision.round(-1.005, 2); | |
DecimalPrecision.round(-39.425, 2); | |
DecimalPrecision.ceil(9.130, 2); | |
DecimalPrecision.ceil(65.180, 2); | |
DecimalPrecision.ceil(-2.260, 2); | |
DecimalPrecision.ceil(-18.150, 2); | |
DecimalPrecision.floor(2.260, 2); | |
DecimalPrecision.floor(18.150, 2); | |
DecimalPrecision.floor(-9.130, 2); | |
DecimalPrecision.floor(-65.180, 2); | |
DecimalPrecision.trunc(2.260, 2); | |
DecimalPrecision.trunc(18.150, 2); | |
DecimalPrecision.trunc(-2.260, 2); | |
DecimalPrecision.trunc(-18.150, 2); | |
DecimalPrecision.round(1262.48, -1); | |
DecimalPrecision.round(1262.48, -2); | |
}); | |
suite.add("Solution 2 (Epsilon correction)", function () { | |
/** Solution 2 (Epsilon correction) **/ | |
DecimalPrecision2.round(0.5, 0); | |
DecimalPrecision2.round(-0.5, 0); | |
DecimalPrecision2.ceil(1e-8, 2); | |
DecimalPrecision2.floor(1e-8, 2); | |
DecimalPrecision2.round(5.12, 1); | |
DecimalPrecision2.round(-5.12, 1); | |
DecimalPrecision2.ceil(5.12, 1); | |
DecimalPrecision2.ceil(-5.12, 1); | |
DecimalPrecision2.floor(5.12, 1); | |
DecimalPrecision2.floor(-5.12, 1); | |
DecimalPrecision2.trunc(5.12, 1); | |
DecimalPrecision2.trunc(-5.12, 1); | |
DecimalPrecision2.round(1.005, 2); | |
DecimalPrecision2.round(39.425, 2); | |
DecimalPrecision2.round(-1.005, 2); | |
DecimalPrecision2.round(-39.425, 2); | |
DecimalPrecision2.ceil(9.130, 2); | |
DecimalPrecision2.ceil(65.180, 2); | |
DecimalPrecision2.ceil(-2.260, 2); | |
DecimalPrecision2.ceil(-18.150, 2); | |
DecimalPrecision2.floor(2.260, 2); | |
DecimalPrecision2.floor(18.150, 2); | |
DecimalPrecision2.floor(-9.130, 2); | |
DecimalPrecision2.floor(-65.180, 2); | |
DecimalPrecision2.trunc(2.260, 2); | |
DecimalPrecision2.trunc(18.150, 2); | |
DecimalPrecision2.trunc(-2.260, 2); | |
DecimalPrecision2.trunc(-18.150, 2); | |
DecimalPrecision2.round(1262.48, -1); | |
DecimalPrecision2.round(1262.48, -2); | |
}); | |
suite.add("Solution 3 (Double rounding)", function () { | |
/** Solution 3 (Double rounding) **/ | |
DecimalPrecision3.round(0.5, 0); | |
DecimalPrecision3.round(-0.5, 0); | |
DecimalPrecision3.ceil(1e-8, 2); | |
DecimalPrecision3.floor(1e-8, 2); | |
DecimalPrecision3.round(5.12, 1); | |
DecimalPrecision3.round(-5.12, 1); | |
DecimalPrecision3.ceil(5.12, 1); | |
DecimalPrecision3.ceil(-5.12, 1); | |
DecimalPrecision3.floor(5.12, 1); | |
DecimalPrecision3.floor(-5.12, 1); | |
DecimalPrecision3.trunc(5.12, 1); | |
DecimalPrecision3.trunc(-5.12, 1); | |
DecimalPrecision3.round(1.005, 2); | |
DecimalPrecision3.round(39.425, 2); | |
DecimalPrecision3.round(-1.005, 2); | |
DecimalPrecision3.round(-39.425, 2); | |
DecimalPrecision3.ceil(9.130, 2); | |
DecimalPrecision3.ceil(65.180, 2); | |
DecimalPrecision3.ceil(-2.260, 2); | |
DecimalPrecision3.ceil(-18.150, 2); | |
DecimalPrecision3.floor(2.260, 2); | |
DecimalPrecision3.floor(18.150, 2); | |
DecimalPrecision3.floor(-9.130, 2); | |
DecimalPrecision3.floor(-65.180, 2); | |
DecimalPrecision3.trunc(2.260, 2); | |
DecimalPrecision3.trunc(18.150, 2); | |
DecimalPrecision3.trunc(-2.260, 2); | |
DecimalPrecision3.trunc(-18.150, 2); | |
DecimalPrecision3.round(1262.48, -1); | |
DecimalPrecision3.round(1262.48, -2); | |
}); | |
suite.add("Solution 3 (Double rounding v2) **/", function () { | |
/** Solution 3 (Double rounding v2) **/ | |
DecimalPrecision4.round(0.5, 0); | |
DecimalPrecision4.round(-0.5, 0); | |
DecimalPrecision4.ceil(1e-8, 2); | |
DecimalPrecision4.floor(1e-8, 2); | |
DecimalPrecision4.round(5.12, 1); | |
DecimalPrecision4.round(-5.12, 1); | |
DecimalPrecision4.ceil(5.12, 1); | |
DecimalPrecision4.ceil(-5.12, 1); | |
DecimalPrecision4.floor(5.12, 1); | |
DecimalPrecision4.floor(-5.12, 1); | |
DecimalPrecision4.trunc(5.12, 1); | |
DecimalPrecision4.trunc(-5.12, 1); | |
DecimalPrecision4.round(1.005, 2); | |
DecimalPrecision4.round(39.425, 2); | |
DecimalPrecision4.round(-1.005, 2); | |
DecimalPrecision4.round(-39.425, 2); | |
DecimalPrecision4.ceil(9.130, 2); | |
DecimalPrecision4.ceil(65.180, 2); | |
DecimalPrecision4.ceil(-2.260, 2); | |
DecimalPrecision4.ceil(-18.150, 2); | |
DecimalPrecision4.floor(2.260, 2); | |
DecimalPrecision4.floor(18.150, 2); | |
DecimalPrecision4.floor(-9.130, 2); | |
DecimalPrecision4.floor(-65.180, 2); | |
DecimalPrecision4.trunc(2.260, 2); | |
DecimalPrecision4.trunc(18.150, 2); | |
DecimalPrecision4.trunc(-2.260, 2); | |
DecimalPrecision4.trunc(-18.150, 2); | |
DecimalPrecision4.round(1262.48, -1); | |
DecimalPrecision4.round(1262.48, -2); | |
}); | |
suite.on("cycle", function (evt) { | |
console.log(" - " + evt.target); | |
}); | |
suite.on("complete", function (evt) { | |
console.log(new Array(30).join("-")); | |
var results = evt.currentTarget.sort(function (a, b) { | |
return b.hz - a.hz; | |
}); | |
results.forEach(function (item) { | |
console.log((idx + 1) + ". " + item); | |
}); | |
}); | |
console.log("Untitled benchmark"); | |
console.log(new Array(30).join("-")); | |
suite.run(); | |
}); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment