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January 29, 2018 21:03
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loop vs no-loop (https://jsbench.github.io/#04634e59b66c6d5bc1f4ef4f61d19449) #jsbench #jsperf
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"/> | |
<title>loop vs no-loop</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> |
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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 () { | |
!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var n;n="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,n.earcut=e()}}(function(){return function e(n,t,r){function x(u,f){if(!t[u]){if(!n[u]){var o="function"==typeof require&&require;if(!f&&o)return o(u,!0);if(i)return i(u,!0);var v=new Error("Cannot find module '"+u+"'");throw v.code="MODULE_NOT_FOUND",v}var l=t[u]={exports:{}};n[u][0].call(l.exports,function(e){var t=n[u][1][e];return x(t?t:e)},l,l.exports,e,n,t,r)}return t[u].exports}for(var i="function"==typeof require&&require,u=0;u<r.length;u++)x(r[u]);return x}({1:[function(e,n,t){"use strict";function r(e,n,t){t=t||2;var r=n&&n.length,i=r?n[0]*t:e.length,f=x(e,0,i,t,!0),o=[];if(!f)return o;var v,l,p,a,h,s,c;if(r&&(f=y(e,n,f,t)),e.length>80*t){v=p=e[0],l=a=e[1];for(var 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U(e,n,t){this.i=e,this.x=n,this.y=t,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function _(e,n,t,r){for(var x=0,i=n,u=t-r;t>i;i+=r)x+=(e[u]-e[i])*(e[i+1]+e[u+1]),u=i;return x}n.exports=r,r.deviation=function(e,n,t,r){var x=n&&n.length,i=x?n[0]*t:e.length,u=Math.abs(_(e,0,i,t));if(x)for(var f=0,o=n.length;o>f;f++){var v=n[f]*t,l=o-1>f?n[f+1]*t:e.length;u-=Math.abs(_(e,v,l,t))}var y=0;for(f=0;f<r.length;f+=3){var p=r[f]*t,a=r[f+1]*t,h=r[f+2]*t;y+=Math.abs((e[p]-e[h])*(e[a+1]-e[p+1])-(e[p]-e[a])*(e[h+1]-e[p+1]))}return 0===u&&0===y?0:Math.abs((y-u)/u)},r.flatten=function(e){for(var n=e[0][0].length,t={vertices:[],holes:[],dimensions:n},r=0,x=0;x<e.length;x++){for(var i=0;i<e[x].length;i++)for(var u=0;n>u;u++)t.vertices.push(e[x][i][u]);x>0&&(r+=e[x-1].length,t.holes.push(r))}return t}},{}]},{},[1])(1)}); | |
}; | |
suite.add("var arr = new Array(5);", function () { | |
var arr = new Array(5); | |
for(var i = 0; i<6; i++){ | |
arr[i] = i | |
} | |
}); | |
suite.add("var arr = new Array();", function () { | |
var arr = new Array(); | |
arr.push(0,1,2,3,4,5) | |
}); | |
suite.add("var arr = new Array(5);", function () { | |
var arr = new Array(5); | |
arr[0] = 0; | |
arr[1] = 1; | |
arr[2] = 2; | |
arr[3] = 3; | |
arr[4] = 4; | |
arr[5] = 5; | |
}); | |
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("loop vs no-loop"); | |
console.log(new Array(30).join("-")); | |
suite.run(); | |
}); |
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