1<?php
2# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
3# http://www.mediawiki.org/
4#
5# This program is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 2 of the License, or
8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License along
16# with this program; if not, write to the Free Software Foundation, Inc.,
17# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18# http://www.gnu.org/copyleft/gpl.html
19
20/**
21 * Approximate benchmark for some basic operations.
22 *
23 * @addtogroup UtfNormal
24 * @access private
25 */
26
27/** */
28if (isset($_SERVER['argv']) && in_array('--icu', $_SERVER['argv'])) {
29    dl('php_utfnormal.so');
30}
31
32require_once 'include/Unicode/UtfNormal.php';
33
34define('BENCH_CYCLES', 5);
35
36if (php_sapi_name() != 'cli') {
37    die("Run me from the command line please.\n");
38}
39
40$testfiles = array(
41    'testdata/washington.txt' => 'English text',
42    'testdata/berlin.txt' => 'German text',
43    'testdata/bulgakov.txt' => 'Russian text',
44    'testdata/tokyo.txt' => 'Japanese text',
45    'testdata/young.txt' => 'Korean text'
46);
47$normalizer = new UtfNormal;
48UtfNormal::loadData();
49foreach ($testfiles as $file => $desc) {
50    benchmarkTest($normalizer, $file, $desc);
51}
52
53# -------
54
55function benchmarkTest(&$u, $filename, $desc)
56{
57    print "Testing $filename ($desc)...\n";
58    $data = file_get_contents($filename);
59    $forms = array(
60#		'placebo',
61        'cleanUp',
62        'toNFC',
63#		'toNFKC',
64#		'toNFD', 'toNFKD',
65        'NFC',
66#		'NFKC',
67#		'NFD', 'NFKD',
68        array( 'fastDecompose', 'fastCombiningSort', 'fastCompose' ),
69#		'quickIsNFC', 'quickIsNFCVerify',
70        );
71    foreach ($forms as $form) {
72        if (is_array($form)) {
73            $str = $data;
74            foreach ($form as $step) {
75                $str = benchmarkForm($u, $str, $step);
76            }
77        } else {
78            benchmarkForm($u, $data, $form);
79        }
80    }
81}
82
83function benchTime()
84{
85    $st = explode(' ', microtime());
86    return (float) $st[0] + (float) $st[1];
87}
88
89function benchmarkForm(&$u, &$data, $form)
90{
91    global $utfCanonicalDecomp;
92    #$start = benchTime();
93    for ($i = 0; $i < BENCH_CYCLES; $i++) {
94        $start = benchTime();
95        $out = $u->$form($data, $utfCanonicalDecomp);
96        $deltas[] = (benchTime() - $start);
97    }
98    #$delta = (benchTime() - $start) / BENCH_CYCLES;
99    sort($deltas);
100    $delta = $deltas[0]; # Take shortest time
101
102    $rate = intval(strlen($data) / $delta);
103    $same = (0 == strcmp($data, $out));
104
105    printf(
106        " %20s %6.1fms %12s bytes/s (%s)\n",
107        $form,
108        $delta * 1000.0,
109        number_format($rate),
110        ($same ? 'no change' : 'changed')
111    );
112    return $out;
113}
114