echo '<hr />';
echo "<b>Singular Value decomposition: {$t} random {$n}x{$n} matrices</b><br />";
$r = $this->displayStats($this->runSVD($n, $t));
$sum += $r['mean'] * $n;
return $sum;
}
}
// end MagicSquareExample
$benchmark = new Benchmark();
switch ($_REQUEST['decomposition']) {
case 'cholesky':
$m = array();
for ($i = 2; $i <= 8; $i *= 2) {
$t = 32 / $i;
echo "<b>Cholesky decomposition: {$t} random {$i}x{$i} matrices</b><br />";
$s = $benchmark->displayStats($benchmark->runCholesky($i, $t));
$m[$i] = $s['mean'];
echo "<br />";
}
echo '<pre>';
foreach ($m as $x => $y) {
echo "{$x}\t" . 1000 * $y . "\n";
}
echo '</pre>';
break;
case 'eigenvalue':
$m = array();
for ($i = 2; $i <= 8; $i *= 2) {
$t = 32 / $i;
echo "<b>Eigenvalue decomposition: {$t} random {$i}x{$i} matrices</b><br />";
$s = $benchmark->displayStats($benchmark->runEig($i, $t));
