// iteration loop. It's about 3 seconds on a 3ghz machine.

int $i, $startTime, $endTime;

string $timeStr;

// Get the start time

$startTime = `getSystemTime`;

$timeStr = `formatTime $startTime`;

print $timeStr;

// Do an empty, lengthy loop

while( $i < 1000000 )

     {

       $i += 1;

     } 

// Get the end time

$endTime = `getSystemTime`;

$timeStr = `formatTime $endTime`;

print $timeStr;

// Now get the execution time

print int( $endTime - $startTime );