Benchmark.javascript

cho45

2011-02-28 22:30:36

License: MIT License

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JavaScript 254 lines
HTML 18 lines
CSS 101 lines

based on http://cho45.stfuawsc.com/benchmark.html

Fork して code という prefix を持った関数をグローバルにいくつか定義するだけでベンチマークが計れます。

jsdo.it だと HTML いじるベンチマークに便利かもしれません。

Benchmark.javascript
JSDeferred 0.3.4

var obj = { foo : 1 };
var foo = "foo";

function code1 () {
  var i = 1000;
  while (i--) {
    obj.foo;
  }
}

function code2 () {
  var i = 1000;
  while (i--) {
    obj[foo];
  }
}

//===================

return {
    code : code
  };
}

Deferred.define();

new function Benchmark () {
window.onload = init;

function createElementFromString (str, opts) {
  if (!opts) opts = { data: {} };
  if (!opts.data) opts.data = { };

var t, cur = opts.parent || document.createDocumentFragment(), root, stack = [cur];
  while (str.length) {
    if (str.indexOf("<") == 0) {
      if ((t = str.match(/^\s*<(\/?[^\s>\/]+)([^>]+?)?(\/)?>/))) {
        var tag = t[1], attrs = t[2], isempty = !!t[3];
        if (tag.indexOf("/") == -1) {
          child = document.createElement(tag);
          if (attrs) attrs.replace(/([a-z]+)=(?:'([^']+)'|"([^"]+)")/gi,
            function (m, name, v1, v2) {
              var v = text(v1 || v2);
              if (name == "class") root && (root[v] = child), child.className = v;
              child.setAttribute(name, v);
            }
          );
          cur.appendChild(root ? child : (root = child));
          if (!isempty) {
            stack.push(cur);
            cur = child;
          }
        } else cur = stack.pop();
      } else throw("Parse Error: " + str);
    } else {
      if ((t = str.match(/^([^<]+)/))) cur.appendChild(document.createTextNode(text(t[0])));
    }
    str = str.substring(t[0].length);
  }

return root;
}

function log (str) {
  if (log.element) {
    log.element.value += str + "\n";
    log.element.scrollTop = 9999;
  }
}

function init () {
  document.getElementById('append-button').onclick = function () { newInput("") };

log.element = document.getElementById('log');
  var params = getParams();
  var scripts = [];

var codes  = params.code || [];
  if (!codes.length) {
    newInput("// input your code");
    newInput("// input your code");
    return;
  }

var torun = [];
  for (var i = 0, len = codes.length; i < len; i++) if (codes[i]) {
    var code = codes[i];
    var e = newInput(code);
    e.result.innerHTML = "waiting...";
    e.code = code;
    e.sec  = 0;
    e.n    = 0;
    torun.push(e);
  }

// calc function call cost
  var empty = {
    isEmpty : true,
    style   : {},
    result  : {},
    code    : "",
    sec     : 0,
    n       : 0,
    speed   : 0
  };
  torun.push(empty);

var calculate_results = function (callback) {
    empty.speed = empty.sec / empty.n;

var base = 0;
    for (var i = 0, len = torun.length; i < len; i++) {
      var run = torun[i];
      if (run.isEmpty) continue;
      run.speed = run.sec / run.n - empty.speed;
      callback(run);
      if (run.speed > base) base = run.speed;
    }
    
    if (empty.speed && Math.random() < 0.01) log("Empty function call cost: " + empty.speed);

for (var i = 0, len = torun.length; i < len; i++) {
      var run = torun[i];
      if (run.isEmpty) continue;
      var rate = Math.floor(base / run.speed * 100);
      run.result.innerHTML += '<br/>' + rate + '%';

var level = 1 - run.speed / base;
      run.style.background = "hsl(" + (level  * 230 - 10) + ", " + (level * 50 + 40) +  "%, " + (level * 50 + 50) +  "%)";
    }

};

var devideTime = 30;
  var totalTime  = 3000;
  var phaseTotal = totalTime / devideTime;

parallel(scripts).
  loop(phaseTotal, function (phase) {
    for (var i = 0, len = torun.length; i < len; i++) {
      torun[i]._rand = Math.random();
    }
    torun.sort(function (a, b) { return a._rand - b._rand });

return loop(torun.length, function (i) {
      var run = torun[i];

return next(function () {
        var fun = new Function(run.code);
        run.className += " running";
//        run.result.innerHTML = "running...";
        var sec = 0, n = 0;
        return next(function () {
          var dt = new Date().getTime();
          var nt;
          devide: {
            do {
              if (sec >= devideTime) break devide;
              n++;
              var ft = new Date().getTime();
              fun();
              nt = new Date().getTime();
              sec     += nt - ft;
              run.sec += nt - ft;
              run.n   ++;
            } while (nt - dt < 25);
//            run.result.innerHTML = "running...<br/>total=" + run.sec + "msec / n=" + run.n + "<br/>speed=" + (run.sec / run.n);
            calculate_results(function (run) {
              run.result.innerHTML = "interim result, phase=" + (phase + 1) + "/" + phaseTotal + ":<br/>" +
                                     "total=" + run.sec + "msec / n=" + run.n + "<br/>speed=" + (run.speed);
            });
            return call(arguments.callee);
          };
        }).
        error(function (e) {
          run.result.innerHTML = "Error:" + e;
        });
      }).
      next(function () {
        run.className = run.className.replace(/\s*running\s*/g, "");
      });
    });
  }).
  next(function () {
    log('calculating results...');
    calculate_results(function (run) {
      run.result.innerHTML = "done<br/>total=" + run.sec + "msec / n=" + run.n + "<br/>speed=" + run.speed;
    });
    log('done');
  }).
  error(function (e) {
    log(e);
  });
}

};

Benchmark.javascript

body {
        font-family: "Lucida Console", "Monaco", sans-serif;
        font-size: 13px;
        background: #fff;
      }

textarea {
        width: 100%;
        font-size: 11px;
        font-family: "Lucida Console", "Monaco", sans-serif;
        margin: 0;
        padding: 0;
      }

textarea.template {
        display: none;
      }

dd {
        margin : 0;
        padding: 0;
      }

ul {
        list-style: none;
        margin : 0;
        padding: 0;
      }

ul li {
        margin : 0;
        padding: 0;
      }

.target {
        padding: 0;
        clear: both;
      }

.target .code {
        opacity: 0.8;
        margin: 0 0 1em 0;
        width: 40em;
        height: 9em;
        float: left;
      }

.target .result {
        height: 7em;
        padding: 0.5em 0;
        margin: 1em 0 0 41em;
      }

.target.running {
      }

#share {
        font-size: 10px;
        padding: 0.5em 1em;
        position: absolute;
        top: 0;
        right: 0;
        background: #000;
        color: #fff;
        opacity: 0.8;
        -moz-border-radius: 0.5em;
      }

#share a ,
      #share a:visited ,
      #share a:link {
        color: #fff;
        text-decoration: none;
      }

#description {
      }

#description ul {
        list-style: disc;
        padding: 0 0 0 2em;
      }

.target .code {
          width: 100%;
          height: 8em;
          float: none;
          margin: 0;
          padding: 0;
        }

.target .result {
          width: 100%;
          margin: 0 0 1em 0;
          padding: 0.5em;
          height: auto;
        }

form p input { display : none }

based on http://cho45.stfuawsc.com/benchmark.html Fork して code という prefix を持った関数をグローバルにいくつか定義するだけでベンチマークが計れます。 jsdo.it だと HTML いじるベンチマークに便利かもしれません。var obj = { foo : 1 }; var foo = "foo"; function code1 () { var i = 1000; while (i--) { obj.foo; } } function code2 () { var i = 1000; while (i--) { obj[foo]; } } //=================== function getParams() { var code = []; for (var key in window) if (window.hasOwnProperty(key)) { if (!/^code/.test(key)) continue; code.push(key); } code.sort(); for (var i = 0, len = code.length; i < len; i++) { code[i] = window[ code[i] ].toString().replace(/^[\s(]*function[^(]+\s*{\s*|\s*}[\s)]*$/g, ''); } return { code : code }; } Deferred.define(); new function Benchmark () { window.onload = init; function createElementFromString (str, opts) { if (!opts) opts = { data: {} }; if (!opts.data) opts.data = { }; var t, cur = opts.parent || document.createDocumentFragment(), root, stack = [cur]; while (str.length) { if (str.indexOf("<") == 0) { if ((t = str.match(/^\s*<(\/?[^\s>\/]+)([^>]+?)?(\/)?>/))) { var tag = t[1], attrs = t[2], isempty = !!t[3]; if (tag.indexOf("/") == -1) { child = document.createElement(tag); if (attrs) attrs.replace(/([a-z]+)=(?:'([^']+)'|"([^"]+)")/gi, function (m, name, v1, v2) { var v = text(v1 || v2); if (name == "class") root && (root[v] = child), child.className = v; child.setAttribute(name, v); } ); cur.appendChild(root ? child : (root = child)); if (!isempty) { stack.push(cur); cur = child; } } else cur = stack.pop(); } else throw("Parse Error: " + str); } else { if ((t = str.match(/^([^<]+)/))) cur.appendChild(document.createTextNode(text(t[0]))); } str = str.substring(t[0].length); } function text (str) { return str .replace(/&(#(x)?)?([^;]+);/g, function (_, isNumRef, isHex, ref) { return isNumRef ? String.fromCharCode(parseInt(ref, isHex ? 16 : 10)): {"lt":"<","gt":"<","amp":"&"}[ref]; }) .replace(/#\{([^}]+)\}/g, function (_, name) { return (typeof(opts.data[name]) == "undefined") ? _ : opts.data[name]; }); } return root; } function newInput (code) { var template = document.getElementById('template-input').value; var e = createElementFromString(template, { data: { code : code } }); document.getElementById('inputs').appendChild(e); return e; } function log (str) { if (log.element) { log.element.value += str + "\n"; log.element.scrollTop = 9999; } } function script (url) { var d = new Deferred(); var script = document.createElement('script'); script.type = "text/javascript"; script.src = url; script.onreadystatechange = function () { if (this.readyState == 'complete' || this.readyState == 'loaded') { log('Loaded: ' + url); d.call(); } }; script.onload = function () { log('Loaded: ' + url); d.call(); }; document.body.appendChild(script); return d; } function init () { document.getElementById('append-button').onclick = function () { newInput("") }; log.element = document.getElementById('log'); var params = getParams(); var scripts = []; var codes = params.code || []; if (!codes.length) { newInput("// input your code"); newInput("// input your code"); return; } var torun = []; for (var i = 0, len = codes.length; i < len; i++) if (codes[i]) { var code = codes[i]; var e = newInput(code); e.result.innerHTML = "waiting..."; e.code = code; e.sec = 0; e.n = 0; torun.push(e); } // calc function call cost var empty = { isEmpty : true, style : {}, result : {}, code : "", sec : 0, n : 0, speed : 0 }; torun.push(empty); var calculate_results = function (callback) { empty.speed = empty.sec / empty.n; var base = 0; for (var i = 0, len = torun.length; i < len; i++) { var run = torun[i]; if (run.isEmpty) continue; run.speed = run.sec / run.n - empty.speed; callback(run); if (run.speed > base) base = run.speed; } if (empty.speed && Math.random() < 0.01) log("Empty function call cost: " + empty.speed); for (var i = 0, len = torun.length; i < len; i++) { var run = torun[i]; if (run.isEmpty) continue; var rate = Math.floor(base / run.speed * 100); run.result.innerHTML += '<br/>' + rate + '%'; var level = 1 - run.speed / base; run.style.background = "hsl(" + (level * 230 - 10) + ", " + (level * 50 + 40) + "%, " + (level * 50 + 50) + "%)"; } }; var devideTime = 30; var totalTime = 3000; var phaseTotal = totalTime / devideTime; parallel(scripts). loop(phaseTotal, function (phase) { for (var i = 0, len = torun.length; i < len; i++) { torun[i]._rand = Math.random(); } torun.sort(function (a, b) { return a._rand - b._rand }); return loop(torun.length, function (i) { var run = torun[i]; return next(function () { var fun = new Function(run.code); run.className += " running"; // run.result.innerHTML = "running..."; var sec = 0, n = 0; return next(function () { var dt = new Date().getTime(); var nt; devide: { do { if (sec >= devideTime) break devide; n++; var ft = new Date().getTime(); fun(); nt = new Date().getTime(); sec += nt - ft; run.sec += nt - ft; run.n ++; } while (nt - dt < 25); // run.result.innerHTML = "running...<br/>total=" + run.sec + "msec / n=" + run.n + "<br/>speed=" + (run.sec / run.n); calculate_results(function (run) { run.result.innerHTML = "interim result, phase=" + (phase + 1) + "/" + phaseTotal + ":<br/>" + "total=" + run.sec + "msec / n=" + run.n + "<br/>speed=" + (run.speed); }); return call(arguments.callee); }; }). error(function (e) { run.result.innerHTML = "Error:" + e; }); }). next(function () { run.className = run.className.replace(/\s*running\s*/g, ""); }); }); }). next(function () { log('calculating results...'); calculate_results(function (run) { run.result.innerHTML = "done<br/>total=" + run.sec + "msec / n=" + run.n + "<br/>speed=" + run.speed; }); log('done'); }). error(function (e) { log(e); }); } }; <form action=""> <div id="inputs"></div> <p style="clear: both"> <input type="button" value="append code" id="append-button"/> <input type="submit" value="run" /> </p> </form> <textarea id="log" disabled="disabled" cols="50" rows="1"></textarea> <textarea id="template-input" class="template"> <div class="target"> <textarea name="code" cols="50" rows="8" class="code">#{code}</textarea> <div class="result"></div> </div> </textarea> body { font-family: "Lucida Console", "Monaco", sans-serif; font-size: 13px; background: #fff; } textarea { width: 100%; font-size: 11px; font-family: "Lucida Console", "Monaco", sans-serif; margin: 0; padding: 0; } textarea.template { display: none; } dd { margin : 0; padding: 0; } ul { list-style: none; margin : 0; padding: 0; } ul li { margin : 0; padding: 0; } .target { padding: 0; clear: both; } .target .code { opacity: 0.8; margin: 0 0 1em 0; width: 40em; height: 9em; float: left; } .target .result { height: 7em; padding: 0.5em 0; margin: 1em 0 0 41em; } .target.running { } #share { font-size: 10px; padding: 0.5em 1em; position: absolute; top: 0; right: 0; background: #000; color: #fff; opacity: 0.8; -moz-border-radius: 0.5em; } #share a , #share a:visited , #share a:link { color: #fff; text-decoration: none; } #description { } #description ul { list-style: disc; padding: 0 0 0 2em; } .target .code { width: 100%; height: 8em; float: none; margin: 0; padding: 0; } .target .result { width: 100%; margin: 0 0 1em 0; padding: 0.5em; height: auto; } form p input { display : none }

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