Online PHP editor | perf for M6KOc

@ 2019-10-04T13:25:30Z

<?php
error_reporting(-1);
header("Content-Type: text/plain; charset=utf-8");
mb_internal_encoding('utf-8');

define('SUBWAY', 'sub');
define('FOOT', 'foot');
define('BUS', 'bus');

$transportName = array(
    SUBWAY => 'едешь на метро',
    FOOT => 'идешь пешком',
    BUS => 'едешь на автобусе'
);

$startPoint = 'pet'; // Петроградская
$endPoint = 'nov'; // Новая Голландия

$pointNames = array(
    'pet' => 'ст. м. Петроградская',
    'chk' => 'ст. м. Чкаловская',
    'gor' => 'ст. м. Горьковская',
    'spo' => 'ст. м. Спортивная',
    'vas' => 'ст. м. Василеостровская',
    'kre' => 'Петропавловская крепость',
    'let' => 'Летний сад',
    'dvo' => 'Дворцовая площадь',
    'isa' => 'Исакиевский собор',
    'nov' => 'Новая Голландия',
    'ras' => 'Дом Раскольникова',
    'gos' => 'Гостиный Двор',
    'sen' => 'Сенная Площадь',
    'vla' => 'ст. м. Владимирская',
    'vit' => 'Витебский вокзал',
    'teh' => 'Технолоческий Институт'
);

$paths = array(
    'pet' => array(
        'chk' => canGet(10, BUS),
        'gor' => canGet(3, SUBWAY)
    ),

    'chk' => array(
        'pet' => canGet(10, BUS),
        'spo' => canGet(3, SUBWAY)
    ),

    'gor' => array(
        'pet' => canGet(3, BUS),
        'kre' => canGet(5, FOOT),
        'gos' => canGet(6, SUBWAY)
    ),

    'spo' => array(
        'chk' => canGet(3, SUBWAY),
        'vas' => canGet(10, BUS),
        'sen' => canGet(7, SUBWAY)
    ),

    'vas' => array(
        'spo' => canGet(10, BUS),
        'gos' => canGet(7, SUBWAY),
        'nov' => canGet(11, FOOT)
    ),

    'kre' => array(
        'gor' => canGet(5, FOOT)
    ),

    'let' => array(
        'dvo' => canGet(6, FOOT),
        'gos' => canGet(7, FOOT)
    ),

    'dvo' => array(
        'isa' => canGet(6, FOOT),
        'gos' => canGet(6, FOOT),
        'let' => canGet(6, FOOT)
    ),

    'isa' => array(
        'dvo' => canGet(6, FOOT),
        'nov' => canGet(5, FOOT)
    ),

    'nov' => array(
        'vas' => canGet(11, FOOT),
        'isa' => canGet(5, FOOT),
        'ras' => canGet(7, BUS)
    ),

    'ras' => array(
        'nov' => canGet(7, BUS),
        'sen' => canGet(3, FOOT)
    ),

    'gos' => array(
        'vas' => canGet(7, SUBWAY),
        'sen' => canGet(3, SUBWAY),
        'dvo' => canGet(6, FOOT),
        'gor' => canGet(6, SUBWAY),
        'let' => canGet(7, FOOT),
        'vla' => canGet(7, FOOT)
    ),

    'sen' => array(
        'ras' => canGet(3, FOOT),
        'spo' => canGet(7, SUBWAY),
        'gos' => canGet(3, SUBWAY),
        'vla' => canGet(4, SUBWAY),
        'vit' => canGet(2, SUBWAY),
        'teh' => canGet(3, SUBWAY)
    ),

    'vla' => array(
        'sen' => canGet(4, SUBWAY),
        'gos' => canGet(7, FOOT),
        'vit' => canGet(3, SUBWAY)
    ),

    'vit' => array(
        'sen' => canGet(2, SUBWAY),
        'teh' => canGet(2, SUBWAY),
        'vla' => canGet(3, SUBWAY)
    ),

    'teh' => array(
        'sen' => canGet(3, SUBWAY),
        'vit' => canGet(2, SUBWAY)
    )
);

function canGet($time, $byWhat)
{
    return array('time' => $time, 'by' => $byWhat);
}

function makeOneStep($paths, $pathDone, $time, $point, $target)
{
    foreach ($paths[$point] as $subPoint => $value) {
        if ($subPoint == $target) {
            $pathDone[] = $point;
            $pathDone[] = $subPoint;
            $result = array();
            $result['path'] = $pathDone;
            $result['time'] = $time + $paths[$point][$subPoint]['time'];
            return $result;
        } elseif (!in_array($subPoint, $pathDone)) {
            $pathDone[] = $point;
            $time += $paths[$point][$subPoint]['time'];
            makeOneStep($paths, $pathDone, $time, $subPoint, $target);
        }
    }
}

makeOneStep($paths, array(), 0, $startPoint, $endPoint);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
8.3.6	0.013	0.003	16.63
8.3.5	0.004	0.011	16.37
8.3.4	0.009	0.006	19.09
8.3.3	0.013	0.006	18.92
8.3.2	0.005	0.003	20.70
8.3.1	0.008	0.000	21.96
8.3.0	0.000	0.008	22.46
8.2.18	0.004	0.011	18.18
8.2.17	0.004	0.011	22.96
8.2.16	0.011	0.004	22.00
8.2.15	0.000	0.007	24.18
8.2.14	0.004	0.004	24.66
8.2.13	0.007	0.000	26.16
8.2.12	0.008	0.000	19.89
8.2.11	0.007	0.004	20.70
8.2.10	0.000	0.012	17.91
8.2.9	0.000	0.009	17.75
8.2.8	0.003	0.006	18.05
8.2.7	0.000	0.008	18.16
8.2.6	0.000	0.008	18.34
8.2.5	0.000	0.009	18.10
8.2.4	0.000	0.008	21.07
8.2.3	0.004	0.004	19.30
8.2.2	0.000	0.007	18.10
8.2.1	0.003	0.007	19.64
8.2.0	0.007	0.000	19.31
8.1.28	0.010	0.007	25.92
8.1.27	0.000	0.008	23.97
8.1.26	0.004	0.004	26.35
8.1.25	0.007	0.000	28.09
8.1.24	0.010	0.000	23.80
8.1.23	0.004	0.008	19.24
8.1.22	0.008	0.000	17.79
8.1.21	0.000	0.008	18.77
8.1.20	0.010	0.000	17.60
8.1.19	0.008	0.000	17.24
8.1.18	0.000	0.008	18.10
8.1.17	0.003	0.005	18.67
8.1.16	0.005	0.003	19.20
8.1.15	0.005	0.003	19.03
8.1.14	0.000	0.007	20.43
8.1.13	0.000	0.007	20.16
8.1.12	0.000	0.009	17.57
8.1.11	0.000	0.007	17.64
8.1.10	0.003	0.005	17.64
8.1.9	0.000	0.007	17.57
8.1.8	0.000	0.007	17.64
8.1.7	0.000	0.007	17.48
8.1.6	0.005	0.003	17.66
8.1.5	0.008	0.000	17.69
8.1.4	0.000	0.009	17.64
8.1.3	0.003	0.006	17.66
8.1.2	0.003	0.006	17.74
8.1.1	0.008	0.000	17.64
8.1.0	0.003	0.006	17.61
8.0.30	0.008	0.000	19.74
8.0.29	0.008	0.000	16.88
8.0.28	0.003	0.003	18.60
8.0.27	0.007	0.000	17.47
8.0.26	0.004	0.004	20.21
8.0.25	0.007	0.000	17.07
8.0.24	0.002	0.005	16.98
8.0.23	0.006	0.003	17.14
8.0.22	0.003	0.003	16.91
8.0.21	0.003	0.004	17.02
8.0.20	0.003	0.006	17.11
8.0.19	0.007	0.000	16.98
8.0.18	0.007	0.000	17.02
8.0.17	0.009	0.000	16.93
8.0.16	0.003	0.005	16.88
8.0.15	0.000	0.008	16.88
8.0.14	0.004	0.004	16.87
8.0.13	0.000	0.007	13.44
8.0.12	0.000	0.008	16.94
8.0.11	0.003	0.005	16.86
8.0.10	0.007	0.000	17.06
8.0.9	0.004	0.004	17.01
8.0.8	0.007	0.010	16.95
8.0.7	0.000	0.007	16.88
8.0.6	0.005	0.002	17.04
8.0.5	0.003	0.005	17.13
8.0.3	0.015	0.007	17.12
8.0.2	0.007	0.013	17.29
8.0.1	0.008	0.000	17.16
8.0.0	0.003	0.016	16.88
7.4.33	0.005	0.000	15.55
7.4.32	0.006	0.000	16.57
7.4.30	0.004	0.004	16.61
7.4.29	0.007	0.000	16.68
7.4.28	0.004	0.007	16.62
7.4.27	0.007	0.000	16.56
7.4.26	0.005	0.002	16.73
7.4.25	0.000	0.010	16.60
7.4.24	0.000	0.008	16.62
7.4.23	0.003	0.005	16.48
7.4.22	0.003	0.003	16.56
7.4.21	0.008	0.010	16.68
7.4.20	0.007	0.000	16.64
7.4.13	0.012	0.010	16.79
7.4.12	0.006	0.013	16.61
7.4.11	0.007	0.013	16.78
7.4.10	0.017	0.006	16.57
7.4.9	0.008	0.011	16.75
7.4.8	0.000	0.021	19.39
7.4.7	0.012	0.011	16.61
7.4.6	0.018	0.000	16.80
7.4.5	0.010	0.006	16.68
7.4.4	0.013	0.007	16.80
7.4.0	0.006	0.012	15.32
7.3.33	0.008	0.000	16.39
7.3.32	0.005	0.000	13.34
7.3.31	0.004	0.004	16.49
7.3.30	0.003	0.003	16.55
7.3.29	0.000	0.007	16.55
7.3.28	0.010	0.013	16.52
7.3.26	0.012	0.005	16.58
7.3.24	0.008	0.009	16.61
7.3.23	0.006	0.010	16.56
7.3.21	0.015	0.009	16.74
7.3.20	0.013	0.010	16.78
7.3.19	0.011	0.006	16.50
7.3.18	0.013	0.003	16.70
7.3.17	0.003	0.017	16.59
7.3.16	0.006	0.009	16.38
7.3.10	0.005	0.011	14.92
7.3.9	0.012	0.005	14.87
7.3.8	0.009	0.009	14.76
7.3.7	0.011	0.009	14.71
7.3.6	0.011	0.006	14.96
7.3.5	0.005	0.013	14.94
7.3.4	0.008	0.011	14.72
7.3.3	0.007	0.013	14.77
7.3.2	0.009	0.008	14.75
7.3.1	0.016	0.003	14.94
7.3.0	0.006	0.011	14.89
7.2.33	0.011	0.007	16.91
7.2.32	0.003	0.016	16.93
7.2.31	0.006	0.011	16.94
7.2.30	0.003	0.014	16.82
7.2.29	0.014	0.004	16.98
7.2.23	0.010	0.008	15.06
7.2.22	0.011	0.006	14.89
7.2.21	0.007	0.010	14.92
7.2.20	0.011	0.012	15.10
7.2.19	0.011	0.006	14.99
7.2.18	0.016	0.005	14.97
7.2.17	0.003	0.013	14.90
7.2.16	0.008	0.011	15.15
7.2.15	0.007	0.009	15.04
7.2.14	0.005	0.013	15.20
7.2.13	0.009	0.009	14.95
7.2.12	0.007	0.010	15.11
7.2.11	0.010	0.006	15.12
7.2.10	0.012	0.014	14.98
7.2.9	0.011	0.009	15.05
7.2.8	0.010	0.009	15.17
7.2.7	0.015	0.010	15.40
7.2.6	0.011	0.010	15.20
7.2.5	0.015	0.003	15.35
7.2.4	0.005	0.014	15.20
7.2.3	0.015	0.010	14.98
7.2.2	0.011	0.006	15.09
7.2.1	0.010	0.006	15.15
7.2.0	0.011	0.008	15.05
7.1.32	0.010	0.005	14.02
7.1.31	0.010	0.007	13.92
7.1.30	0.006	0.014	13.95
7.1.29	0.009	0.010	13.86
7.1.28	0.014	0.010	13.89
7.1.27	0.011	0.005	13.84
7.1.26	0.005	0.011	13.75
7.1.25	0.010	0.008	13.99

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