$string = str_repeat("a", $n);
return function () use($string) {
return strtolower($string);
};
}, true)->registerFunctional('mb_strtolower', 'mb_strtolower', function ($n) {
$string = str_repeat("a", $n);
return function () use($string) {
return mb_strtolower($string);
};
}, true);
$bench->benchmark(1000, 64);
$bench->benchmark(1000, 128);
$bench->benchmark(1000, 256);
//var_dump($bench->getResults());
$groups = array($bench->getResults());
$bench = new \Nicmart\Benchmark\VariabeSizeEngine('Cycles');
$bench->registerFunctional('logarithmic', 'Logarithmic', function ($n) {
return function () use($n) {
for ($i = 1; $i <= $n; $i *= 2) {
}
};
}, false, function ($n) {
return log($n, 2) * 3;
})->registerFunctional('linear', 'Linear', function ($n) {
return function () use($n) {
for ($i = 0; $i < $n; $i++) {
}
};
}, true)->registerFunctional('square', 'Square', function ($n) {
return function () use($n) {
for ($i = 0; $i < $n; $i++) {
for ($i = 0; $i < $n; $i++) {
$ary[$i] = null;
}
};
}, true)->registerFunctional('splfixed', 'SplFixedArray', function ($n) {
return function () use($n) {
$ary = new SplFixedArray($n);
for ($i = 0; $i < $n; $i++) {
$ary[$i] = null;
}
};
}, true);
//$bench->benchmark(10000, 100);
$bench->progression(10000, 400, 2);
$groups[] = $bench->getResults();
$bench = new \Nicmart\Benchmark\VariabeSizeEngine('Array versus SplFixedArray - Access items');
$bench->registerFunctional('array', 'array', function ($n) {
$ary = array();
for ($i = 0; $i < $n; $i++) {
$ary[$i] = $i;
}
return function () use($ary) {
for ($i = 0; $i < count($ary); $i++) {
$j = $ary[$i];
}
};
}, true)->registerFunctional('splfixed', 'SplFixedArray', function ($n) {
$ary = new SplFixedArray($n);
return function () use($ary) {
for ($i = 0; $i < count($ary); $i++) {
$j = $ary[$i];
<?php
/**
* This file is part of Benchmark
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @author Nicolò Martini <*****@*****.**>
*/
include '../vendor/autoload.php';
$groups = array();
$bench = new \Nicmart\Benchmark\VariabeSizeEngine('String interpolation vs concatenation');
$bench->registerFunctional('interpolation', 'Interpolation', function ($n) {
$a = $b = str_repeat('x', $n);
return function () use($a, $b) {
return "xxx {$a}{$b} xxx";
};
}, true)->registerFunctional('concatenation', 'Concatenation', function ($n) {
$a = $b = str_repeat('x', $n);
return function () use($a, $b) {
return "xxx" . $a . $b . " xxx";
};
}, true)->registerFunctional('sprintf', 'Sprintf', function ($n) {
$a = $b = str_repeat('x', $n);
return function () use($a, $b) {
return sprintf("xxx %s%s xxx", $a, $b);
};
}, true);
//$bench->benchmark(10000, 100);
$bench->progression(1000, 8, 4);
