JavaScript Performance Test

pie.html

<script languange="javascript">
var begin = new Date();
var pie = 0;

var loop = 1000 * 1000 * 100;

for(var i=1; i<loop; i++){
        var sign = (i % 2) == 0 ? -1.0 : 1.0;
        pie = pie + sign / (2*i - 1)
}

pie = pie * 4;
var end = new Date();
document.write("pie = " + pie + " time = " + (end-begin));
</script>

pie.js

var begin = new Date();
var pie = 0;

var loop = 1000 * 1000 * 100;

for(var i=1; i<loop; i++){
  var sign = (i % 2) == 0 ? -1.0 : 1.0;
	pie = pie + sign / (2*i - 1)
}

pie = pie * 4;
var end = new Date();
java.lang.System.out.println("pie = " + pie + " time = " + (end-begin));

pie.php

<?php

$begin = microtime(true);

$pie = 0;
 
$loop = 1000 * 1000 * 100;
 
for($i=1; $i < $loop; $i++){
  $sign = ($i % 2) == 0 ? -1.0 : 1.0;
	$pie = $pie + $sign / (2 * $i - 1);
}
 
$pie = $pie * 4;

$end = microtime(true);
echo "pie = " . $pie . " total time = " . ($end-$begin);

?>