Modules

Bench_Transliterate
extends Codebench
extends Kohana_Codebench

package: Kohana/Codebench
category: Tests
author: Geert De Deckere

Class declared in MODPATH/codebench/classes/Bench/Transliterate.php on line 8.

Constants

None

Properties

$description
$grades
$loops
$subjects

Methods

bench_iconv()
bench_utf8()
__construct()
run()
_grade()
_method_filter()

Properties

public $description

Default value:

string(79) "Inspired by:
		 http://forum.kohanaframework.org/comments.php?DiscussionID=6113"

public array $grades

Grade letters with their maximum scores. Used to color the graphs.

Default value:

array(6) (
    125 => string(1) "A"
    150 => string(1) "B"
    200 => string(1) "C"
    300 => string(1) "D"
    500 => string(1) "E"
    "default" => string(1) "F"
)

public $loops

Default value:

integer 10

public $subjects

Default value:

array(215) (
    0 => string(1) "a"
    1 => string(1) "b"
    2 => string(1) "c"
    3 => string(1) "d"
    4 => string(1) "1"
    5 => string(1) "2"
    6 => string(1) "3"
    7 => string(2) "à"
    8 => string(2) "ô"
    9 => string(2) "ď"
    10 => string(3) "ḟ"
    11 => string(2) "ë"
    12 => string(2) "š"
    13 => string(2) "ơ"
    14 => string(2) "ß"
    15 => string(2) "ă"
    16 => string(2) "ř"
    17 => string(2) "ț"
    18 => string(2) "ň"
    19 => string(2) "ā"
    20 => string(2) "ķ"
    21 => string(2) "ŝ"
    22 => string(3) "ỳ"
    23 => string(2) "ņ"
    24 => string(2) "ĺ"
    25 => string(2) "ħ"
    26 => string(3) "ṗ"
    27 => string(2) "ó"
    28 => string(2) "ú"
    29 => string(2) "ě"
    30 => string(2) "é"
    31 => string(2) "ç"
    32 => string(3) "ẁ"
    33 => string(2) "ċ"
    34 => string(2) "õ"
    35 => string(3) "ṡ"
    36 => string(2) "ø"
    37 => string(2) "ģ"
    38 => string(2) "ŧ"
    39 => string(2) "ș"
    40 => string(2) "ė"
    41 => string(2) "ĉ"
    42 => string(2) "ś"
    43 => string(2) "î"
    44 => string(2) "ű"
    45 => string(2) "ć"
    46 => string(2) "ę"
    47 => string(2) "ŵ"
    48 => string(3) "ṫ"
    49 => string(2) "ū"
    50 => string(2) "č"
    51 => string(2) "ö"
    52 => string(2) "è"
    53 => string(2) "ŷ"
    54 => string(2) "ą"
    55 => string(2) "ł"
    56 => string(2) "ų"
    57 => string(2) "ů"
    58 => string(2) "ş"
    59 => string(2) "ğ"
    60 => string(2) "ļ"
    61 => string(2) "ƒ"
    62 => string(2) "ž"
    63 => string(3) "ẃ"
    64 => string(3) "ḃ"
    65 => string(2) "å"
    66 => string(2) "ì"
    67 => string(2) "ï"
    68 => string(3) "ḋ"
    69 => string(2) "ť"
    70 => string(2) "ŗ"
    71 => string(2) "ä"
    72 => string(2) "í"
    73 => string(2) "ŕ"
    74 => string(2) "ê"
    75 => string(2) "ü"
    76 => string(2) "ò"
    77 => string(2) "ē"
    78 => string(2) "ñ"
    79 => string(2) "ń"
    80 => string(2) "ĥ"
    81 => string(2) "ĝ"
    82 => string(2) "đ"
    83 => string(2) "ĵ"
    84 => string(2) "ÿ"
    85 => string(2) "ũ"
    86 => string(2) "ŭ"
    87 => string(2) "ư"
    88 => string(2) "ţ"
    89 => string(2) "ý"
    90 => string(2) "ő"
    91 => string(2) "â"
    92 => string(2) "ľ"
    93 => string(3) "ẅ"
    94 => string(2) "ż"
    95 => string(2) "ī"
    96 => string(2) "ã"
    97 => string(2) "ġ"
    98 => string(3) "ṁ"
    99 => string(2) "ō"
    100 => string(2) "ĩ"
    101 => string(2) "ù"
    102 => string(2) "į"
    103 => string(2) "ź"
    104 => string(2) "á"
    105 => string(2) "û"
    106 => string(2) "þ"
    107 => string(2) "ð"
    108 => string(2) "æ"
    109 => string(2) "µ"
    110 => string(2) "ĕ"
    111 => string(2) "ı"
    112 => string(2) "À"
    113 => string(2) "Ô"
    114 => string(2) "Ď"
    115 => string(3) "Ḟ"
    116 => string(2) "Ë"
    117 => string(2) "Š"
    118 => string(2) "Ơ"
    119 => string(2) "Ă"
    120 => string(2) "Ř"
    121 => string(2) "Ț"
    122 => string(2) "Ň"
    123 => string(2) "Ā"
    124 => string(2) "Ķ"
    125 => string(2) "Ĕ"
    126 => string(2) "Ŝ"
    127 => string(3) "Ỳ"
    128 => string(2) "Ņ"
    129 => string(2) "Ĺ"
    130 => string(2) "Ħ"
    131 => string(3) "Ṗ"
    132 => string(2) "Ó"
    133 => string(2) "Ú"
    134 => string(2) "Ě"
    135 => string(2) "É"
    136 => string(2) "Ç"
    137 => string(3) "Ẁ"
    138 => string(2) "Ċ"
    139 => string(2) "Õ"
    140 => string(3) "Ṡ"
    141 => string(2) "Ø"
    142 => string(2) "Ģ"
    143 => string(2) "Ŧ"
    144 => string(2) "Ș"
    145 => string(2) "Ė"
    146 => string(2) "Ĉ"
    147 => string(2) "Ś"
    148 => string(2) "Î"
    149 => string(2) "Ű"
    150 => string(2) "Ć"
    151 => string(2) "Ę"
    152 => string(2) "Ŵ"
    153 => string(3) "Ṫ"
    154 => string(2) "Ū"
    155 => string(2) "Č"
    156 => string(2) "Ö"
    157 => string(2) "È"
    158 => string(2) "Ŷ"
    159 => string(2) "Ą"
    160 => string(2) "Ł"
    161 => string(2) "Ų"
    162 => string(2) "Ů"
    163 => string(2) "Ş"
    164 => string(2) "Ğ"
    165 => string(2) "Ļ"
    166 => string(2) "Ƒ"
    167 => string(2) "Ž"
    168 => string(3) "Ẃ"
    169 => string(3) "Ḃ"
    170 => string(2) "Å"
    171 => string(2) "Ì"
    172 => string(2) "Ï"
    173 => string(3) "Ḋ"
    174 => string(2) "Ť"
    175 => string(2) "Ŗ"
    176 => string(2) "Ä"
    177 => string(2) "Í"
    178 => string(2) "Ŕ"
    179 => string(2) "Ê"
    180 => string(2) "Ü"
    181 => string(2) "Ò"
    182 => string(2) "Ē"
    183 => string(2) "Ñ"
    184 => string(2) "Ń"
    185 => string(2) "Ĥ"
    186 => string(2) "Ĝ"
    187 => string(2) "Đ"
    188 => string(2) "Ĵ"
    189 => string(2) "Ÿ"
    190 => string(2) "Ũ"
    191 => string(2) "Ŭ"
    192 => string(2) "Ư"
    193 => string(2) "Ţ"
    194 => string(2) "Ý"
    195 => string(2) "Ő"
    196 => string(2) "Â"
    197 => string(2) "Ľ"
    198 => string(3) "Ẅ"
    199 => string(2) "Ż"
    200 => string(2) "Ī"
    201 => string(2) "Ã"
    202 => string(2) "Ġ"
    203 => string(3) "Ṁ"
    204 => string(2) "Ō"
    205 => string(2) "Ĩ"
    206 => string(2) "Ù"
    207 => string(2) "Į"
    208 => string(2) "Ź"
    209 => string(2) "Á"
    210 => string(2) "Û"
    211 => string(2) "Þ"
    212 => string(2) "Ð"
    213 => string(2) "Æ"
    214 => string(2) "İ"
)

Methods

public bench_iconv( ) (defined in Bench_Transliterate)

Source Code

public function bench_iconv($subject)
{
    // Note: need to suppress errors on iconv because some chars trigger the following notice:
    // "Detected an illegal character in input string"
    return preg_replace('~[^-a-z0-9]+~i', '', @iconv('UTF-8', 'ASCII//TRANSLIT', $subject));
}

public bench_utf8( ) (defined in Bench_Transliterate)

Source Code

public function bench_utf8($subject)
{
    return UTF8::transliterate_to_ascii($subject);
}

public __construct( ) (defined in Kohana_Codebench)

Constructor.

Return Values

void

Source Code

public function __construct()
{
    // Set the maximum execution time
    set_time_limit(Kohana::$config->load('codebench')->max_execution_time);
}

public run( ) (defined in Kohana_Codebench)

Runs Codebench on the extending class.

Return Values

array - Benchmark output

Source Code

public function run()
{
    // Array of all methods to loop over
    $methods = array_filter(get_class_methods($this), [$this, '_method_filter']);

    // Make sure the benchmark runs at least once,
    // also if no subject data has been provided.
    if (empty($this->subjects)) {
        $this->subjects = ['NULL' => null];
    }

    // Initialize benchmark output
    $codebench = [
        'class' => get_class($this),
        'description' => $this->description,
        'loops' => [
            'base' => (int) $this->loops,
            'total' => (int) $this->loops * count($this->subjects) * count($methods),
        ],
        'subjects' => $this->subjects,
        'benchmarks' => [],
    ];

    // Benchmark each method
    foreach ($methods as $method) {
        // Initialize benchmark output for this method
        $codebench['benchmarks'][$method] = ['time' => 0, 'memory' => 0];

        // Using Reflection because simply calling $this->$method($subject) in the loop below
        // results in buggy benchmark times correlating to the length of the method name.
        $reflection = new ReflectionMethod(get_class($this), $method);

        // Benchmark each subject on each method
        foreach ($this->subjects as $subject_key => $subject) {
            // Prerun each method/subject combo before the actual benchmark loop.
            // This way relatively expensive initial processes won't be benchmarked, e.g. autoloading.
            // At the same time we capture the return here so we don't have to do that in the loop anymore.
            $return = $reflection->invoke($this, $subject);

            // Start the timer for one subject
            $token = Profiler::start('codebench', $method . $subject_key);

            // The heavy work
            for ($i = 0; $i < $this->loops; ++$i) {
                $reflection->invoke($this, $subject);
            }

            // Stop and read the timer
            $benchmark = Profiler::total($token);

            // Benchmark output specific to the current method and subject
            $codebench['benchmarks'][$method]['subjects'][$subject_key] = [
                'return' => $return,
                'time' => $benchmark[0],
                'memory' => $benchmark[1],
            ];

            // Update method totals
            $codebench['benchmarks'][$method]['time'] += $benchmark[0];
            $codebench['benchmarks'][$method]['memory'] += $benchmark[1];
        }
    }

    // Initialize the fastest and slowest benchmarks for both methods and subjects, time and memory,
    // these values will be overwritten using min() and max() later on.
    // The 999999999 values look like a hack, I know, but they work,
    // unless your method runs for more than 31 years or consumes over 1GB of memory.
    $fastest_method = $fastest_subject = ['time' => 999999999, 'memory' => 999999999];
    $slowest_method = $slowest_subject = ['time' => 0, 'memory' => 0];

    // Find the fastest and slowest benchmarks, needed for the percentage calculations
    foreach ($methods as $method) {
        // Update the fastest and slowest method benchmarks
        $fastest_method['time'] = min($fastest_method['time'], $codebench['benchmarks'][$method]['time']);
        $fastest_method['memory'] = min($fastest_method['memory'], $codebench['benchmarks'][$method]['memory']);
        $slowest_method['time'] = max($slowest_method['time'], $codebench['benchmarks'][$method]['time']);
        $slowest_method['memory'] = max($slowest_method['memory'], $codebench['benchmarks'][$method]['memory']);

        foreach ($this->subjects as $subject_key => $subject) {
            // Update the fastest and slowest subject benchmarks
            $fastest_subject['time'] = min($fastest_subject['time'], $codebench['benchmarks'][$method]['subjects'][$subject_key]['time']);
            $fastest_subject['memory'] = min($fastest_subject['memory'], $codebench['benchmarks'][$method]['subjects'][$subject_key]['memory']);
            $slowest_subject['time'] = max($slowest_subject['time'], $codebench['benchmarks'][$method]['subjects'][$subject_key]['time']);
            $slowest_subject['memory'] = max($slowest_subject['memory'], $codebench['benchmarks'][$method]['subjects'][$subject_key]['memory']);
        }
    }

    // Percentage calculations for methods
    foreach ($codebench['benchmarks'] as & $method) {
        // Calculate percentage difference relative to fastest and slowest methods
        $method['percent']['fastest']['time'] = (empty($fastest_method['time'])) ? 0 : ($method['time'] / $fastest_method['time'] * 100);
        $method['percent']['fastest']['memory'] = (empty($fastest_method['memory'])) ? 0 : ($method['memory'] / $fastest_method['memory'] * 100);
        $method['percent']['slowest']['time'] = (empty($slowest_method['time'])) ? 0 : ($method['time'] / $slowest_method['time'] * 100);
        $method['percent']['slowest']['memory'] = (empty($slowest_method['memory'])) ? 0 : ($method['memory'] / $slowest_method['memory'] * 100);

        // Assign a grade for time and memory to each method
        $method['grade']['time'] = $this->_grade($method['percent']['fastest']['time']);
        $method['grade']['memory'] = $this->_grade($method['percent']['fastest']['memory']);

        // Percentage calculations for subjects
        foreach ($method['subjects'] as & $subject) {
            // Calculate percentage difference relative to fastest and slowest subjects for this method
            $subject['percent']['fastest']['time'] = (empty($fastest_subject['time'])) ? 0 : ($subject['time'] / $fastest_subject['time'] * 100);
            $subject['percent']['fastest']['memory'] = (empty($fastest_subject['memory'])) ? 0 : ($subject['memory'] / $fastest_subject['memory'] * 100);
            $subject['percent']['slowest']['time'] = (empty($slowest_subject['time'])) ? 0 : ($subject['time'] / $slowest_subject['time'] * 100);
            $subject['percent']['slowest']['memory'] = (empty($slowest_subject['memory'])) ? 0 : ($subject['memory'] / $slowest_subject['memory'] * 100);

            // Assign a grade letter for time and memory to each subject
            $subject['grade']['time'] = $this->_grade($subject['percent']['fastest']['time']);
            $subject['grade']['memory'] = $this->_grade($subject['percent']['fastest']['memory']);
        }
    }

    return $codebench;
}

protected _grade( integer|double $score ) (defined in Kohana_Codebench)

Returns the applicable grade letter for a score.

Parameters

integer|double $score required - Score

Return Values

string - Grade letter

Source Code

protected function _grade($score)
{
    foreach ($this->grades as $max => $grade) {
        if ($max === 'default')
            continue;

        if ($score <= $max)
            return $grade;
    }

    return $this->grades['default'];
}

protected _method_filter( string $method ) (defined in Kohana_Codebench)

Callback for array_filter(). Filters out all methods not to benchmark.

Parameters

string $method required - Method name

Return Values

boolean

Source Code

protected function _method_filter($method)
{
    // Only benchmark methods with the "bench" prefix
    return (substr($method, 0, 5) === 'bench');
}

Modules

Bench_Transliterate extends Codebench extends Kohana_Codebench

Constants

Properties

Methods

Properties

public $description

public array $grades

public $loops

public $subjects

Methods

public bench_iconv( ) (defined in Bench_Transliterate)

Source Code

public bench_utf8( ) (defined in Bench_Transliterate)

Source Code

public __construct( ) (defined in Kohana_Codebench)

Return Values

Source Code

public run( ) (defined in Kohana_Codebench)

Return Values

Source Code

protected _grade( integer|double $score ) (defined in Kohana_Codebench)

Parameters

Return Values

Source Code

protected _method_filter( string $method ) (defined in Kohana_Codebench)

Parameters

Return Values

Source Code

Bench_Transliterate
extends Codebench
extends Kohana_Codebench

public `array` $grades