chrome-sorting

JavaScript performance comparison

Test case created

Preparation code

<script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.1/lodash.js"></script>
<script>
  var lodash = _.noConflict();
</script>
<script>
Benchmark.prototype.setup = function() {
     var _ = window.lodash;
    var as1 = [], as2 = [];
    var a1 = [], a2 = [];
    var ar1 = [], ar2 = [];
    var i, j, s = [], r;
    var size = 800;
   
     for ( i = 0; i < size; i = i + 1  ) {
   
                for ( j = 0; j < 12 ; j = j + 1 ) {
   
                    r = _.random ( 0, 255 );
   
                    s [ j ] = String.fromCharCode ( r );
                }
   
                as1 [ i ] = s.join('');
                a1 [ i ] = s.join('');
            }
   
            as1.sort();
            as2 = _.cloneDeep ( as1 );
            a2 = _.cloneDeep ( a1 );
     
            ar1 = as1.reverse();
            ar2 = _.cloneDeep ( ar1 );
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
sorted
for ( i = 0 ; i < size; i ++ ) {
   
   x1 [ i ] = as1 [ i ];
   x2 [ i ] = as2 [ i ];
}

x1.sort();
x2.sort();

for ( i = 0 ; i < size ; i ++ )
{
   if ( x1 [ i ] !== x2 [ i ] ) {
 
      break;
   }
}
pending…
reverse sorted
for ( i = 0 ; i < size; i ++ ) {
   
   x1 [ i ] = ar1 [ i ];
   x2 [ i ] = ar2 [ i ];
}

x1.sort();
x2.sort();

for ( i = 0 ; i < size ; i ++ )
{
   if ( x1 [ i ] !== x2 [ i ] ) {
 
      break;
   }
}
pending…
random
for ( i = 0 ; i < size; i ++ ) {
   
   x1 [ i ] = a1 [ i ];
   x2 [ i ] = a2 [ i ];
}

x1.sort();
x2.sort();

for ( i = 0 ; i < size ; i ++ )
{
   if ( x1 [ i ] !== x2 [ i ] ) {
 
      break;
   }
}
pending…

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