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| -rw-r--r-- | admin/survey/excel/PHPExcel/Shared/JAMA/examples/benchmark.php | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/admin/survey/excel/PHPExcel/Shared/JAMA/examples/benchmark.php b/admin/survey/excel/PHPExcel/Shared/JAMA/examples/benchmark.php deleted file mode 100644 index 42a4884..0000000 --- a/admin/survey/excel/PHPExcel/Shared/JAMA/examples/benchmark.php +++ /dev/null @@ -1,263 +0,0 @@ -<?php
-
-error_reporting(E_ALL);
-
-/**
- * @package JAMA
- */
-
-require_once '../Matrix.php';
-require_once 'Stats.php';
-
-
-/**
- * Example of use of Matrix Class, featuring magic squares.
- */
-class Benchmark {
- public $stat;
-
-
- /**
- * Simple function to replicate PHP 5 behaviour
- */
- function microtime_float() {
- list($usec, $sec) = explode(" ", microtime());
-
- return ((float)$usec + (float)$sec);
- } // function microtime_float()
-
-
- function displayStats($times = null) {
- $this->stat->setData($times);
- $stats = $this->stat->calcFull();
-
- echo '<table style="margin-left:32px;">';
- echo '<tr><td style="text-align:right;"><b>n:</b><td style="text-align:right;">' . $stats['count'] . ' </td></tr>';
- echo '<tr><td style="text-align:right;"><b>Mean:</b><td style="text-align:right;">' . $stats['mean'] . ' </td></tr>';
- echo '<tr><td style="text-align:right;"><b>Min.:</b><td style="text-align:right;">' . $stats['min'] . ' </td></tr>';
- echo '<tr><td style="text-align:right;"><b>Max.:</b><td style="text-align:right;">' . $stats['max'] . ' </td></tr>';
- echo '<tr><td style="text-align:right;"><b>σ:</b><td style="text-align:right;">' . $stats['stdev'] . ' </td></tr>';
- echo '<tr><td style="text-align:right;"><b>Variance:</b><td style="text-align:right;">' . $stats['variance'] . ' </td></tr>';
- echo '<tr><td style="text-align:right;"><b>Range:</b><td style="text-align:right;">' . $stats['range'] . ' </td></tr>';
- echo '</table>';
-
- return $stats;
- } // function displayStats()
-
-
- function runEig($n = 4, $t = 100) {
- $times = array();
-
- for ($i = 0; $i < $t; ++$i) {
- $M = Matrix::random($n, $n);
- $start_time = $this->microtime_float();
- $E = new EigenvalueDecomposition($M);
- $stop_time = $this->microtime_float();
- $times[] = $stop_time - $start_time;
- }
-
- return $times;
- } // function runEig()
-
-
- function runLU($n = 4, $t = 100) {
- $times = array();
-
- for ($i = 0; $i < $t; ++$i) {
- $M = Matrix::random($n, $n);
- $start_time = $this->microtime_float();
- $E = new LUDecomposition($M);
- $stop_time = $this->microtime_float();
- $times[] = $stop_time - $start_time;
- }
-
- return $times;
- } // function runLU()
-
-
- function runQR($n = 4, $t = 100) {
- $times = array();
-
- for ($i = 0; $i < $t; ++$i) {
- $M = Matrix::random($n, $n);
- $start_time = $this->microtime_float();
- $E = new QRDecomposition($M);
- $stop_time = $this->microtime_float();
- $times[] = $stop_time - $start_time;
- }
-
- return $times;
- } // function runQR()
-
-
- function runCholesky($n = 4, $t = 100) {
- $times = array();
-
- for ($i = 0; $i < $t; ++$i) {
- $M = Matrix::random($n, $n);
- $start_time = $this->microtime_float();
- $E = new CholeskyDecomposition($M);
- $stop_time = $this->microtime_float();
- $times[] = $stop_time - $start_time;
- }
-
- return $times;
- } // function runCholesky()
-
-
- function runSVD($n = 4, $t = 100) {
- $times = array();
-
- for ($i = 0; $i < $t; ++$i) {
- $M = Matrix::random($n, $n);
- $start_time = $this->microtime_float();
- $E = new SingularValueDecomposition($M);
- $stop_time = $this->microtime_float();
- $times[] = $stop_time - $start_time;
- }
-
- return $times;
- } // function runSVD()
-
-
- function run() {
- $n = 8;
- $t = 16;
- $sum = 0;
- echo "<b>Cholesky decomposition: $t random {$n}x{$n} matrices</b><br />";
- $r = $this->displayStats($this->runCholesky($n, $t));
- $sum += $r['mean'] * $n;
-
- echo '<hr />';
-
- echo "<b>Eigenvalue decomposition: $t random {$n}x{$n} matrices</b><br />";
- $r = $this->displayStats($this->runEig($n, $t));
- $sum += $r['mean'] * $n;
-
- echo '<hr />';
-
- echo "<b>LU decomposition: $t random {$n}x{$n} matrices</b><br />";
- $r = $this->displayStats($this->runLU($n, $t));
- $sum += $r['mean'] * $n;
-
- echo '<hr />';
-
- echo "<b>QR decomposition: $t random {$n}x{$n} matrices</b><br />";
- $r = $this->displayStats($this->runQR($n, $t));
- $sum += $r['mean'] * $n;
-
- 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;
- } // function run()
-
-
- public function __construct() {
- $this->stat = new Base();
- } // function Benchmark()
-
-} // class Benchmark (end MagicSquareExample)
-
-
-$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));
- $m[$i] = $s['mean'];
- echo "<br />";
- }
- echo '<pre>';
- foreach($m as $x => $y) {
- echo "$x\t" . 1000*$y . "\n";
- }
- echo '</pre>';
- break;
- case 'lu':
- $m = array();
- for ($i = 2; $i <= 8; $i *= 2) {
- $t = 32 / $i;
- echo "<b>LU decomposition: $t random {$i}x{$i} matrices</b><br />";
- $s = $benchmark->displayStats($benchmark->runLU($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 'qr':
- $m = array();
- for ($i = 2; $i <= 8; $i *= 2) {
- $t = 32 / $i;
- echo "<b>QR decomposition: $t random {$i}x{$i} matrices</b><br />";
- $s = $benchmark->displayStats($benchmark->runQR($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 'svd':
- $m = array();
- for($i = 2; $i <= 8; $i *= 2) {
- $t = 32 / $i;
- echo "<b>Singular value decomposition: $t random {$i}x{$i} matrices</b><br />";
- $s = $benchmark->displayStats($benchmark->runSVD($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 'all':
- $s = $benchmark->run();
- print("<br /><b>Total<b>: {$s}s<br />");
- break;
- default:
- ?>
- <ul>
- <li><a href="benchmark.php?decomposition=all">Complete Benchmark</a>
- <ul>
- <li><a href="benchmark.php?decomposition=cholesky">Cholesky</a></li>
- <li><a href="benchmark.php?decomposition=eigenvalue">Eigenvalue</a></li>
- <li><a href="benchmark.php?decomposition=lu">LU</a></li>
- <li><a href="benchmark.php?decomposition=qr">QR</a></li>
- <li><a href="benchmark.php?decomposition=svd">Singular Value</a></li>
- </ul>
- </li>
- </ul>
- <?php
- break;
-}
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