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Benchmarking type-hinted variadic arguments versus looping+checking values
Raw
.gitignore
vendor
composer.phar
Raw
ArrayTypeCheckBench.php
<?php
namespace VariadicArgsBench;
use PhpBench\Benchmark\Metadata\Annotations\Iterations;
use PhpBench\Benchmark\Metadata\Annotations\Revs;
use PhpBench\Benchmark\Metadata\Annotations\Warmup;
/**
* @Revs(10000)
* @Iterations(10)
* @Warmup(2)
*/
class ArrayTypeCheckBench
{
/**
* @var callable
*/
private $loopFunction;
/**
* @var callable
*/
private $variadicFunction;
public function __construct()
{
$this->loopFunction = function (array $items) {
foreach ($items as $item) {
if (! $item instanceof \stdClass) {
throw new \InvalidArgumentException('Not an stdClass!');
}
}
return $items;
};
$this->variadicFunction = function (\stdClass ...$items) {
return $items;
};
$this->items1 = array_fill(0, 2, new \stdClass());
$this->items2 = array_fill(0, 100, new \stdClass());
$this->items3 = array_fill(0, 1000, new \stdClass());
$this->items4 = array_fill(0, 1000, new \stdClass());
}
public function benchLoop1()
{
\call_user_func($this->loopFunction, $this->items1);
}
public function benchVariadic1()
{
\call_user_func_array($this->variadicFunction, $this->items1);
}
public function benchLoop2()
{
\call_user_func($this->loopFunction, $this->items2);
}
public function benchVariadic2()
{
\call_user_func_array($this->variadicFunction, $this->items2);
}
public function benchLoop3()
{
\call_user_func($this->loopFunction, $this->items3);
}
public function benchVariadic3()
{
\call_user_func_array($this->variadicFunction, $this->items3);
}
public function benchLoop4()
{
\call_user_func($this->loopFunction, $this->items4);
}
public function benchVariadic4()
{
\call_user_func_array($this->variadicFunction, $this->items4);
}
}
Raw
composer.json
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"phpbench/phpbench": "^0.10.0"
},
"autoload": {
"classmap": [
"ArrayTypeCheckBench.php"
]
}
}
Raw
composer.lock
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},
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"/Tests/"
]
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"MIT"
],
"authors": [
{
"name": "Fabien Potencier",
"email": "[email protected]"
},
{
"name": "Symfony Community",
"homepage": "https://symfony.com/contributors"
}
],
"description": "Symfony Process Component",
"homepage": "https://symfony.com",
"time": "2016-02-02 13:44:19"
}
],
"packages-dev": [],
"aliases": [],
"minimum-stability": "stable",
"stability-flags": [],
"prefer-stable": false,
"prefer-lowest": false,
"platform": {
"php": "^5.6 || ^7.0"
},
"platform-dev": []
}
Raw
output.txt
PhpBench 0.10.0. Running benchmarks.
Using configuration file: phpbench.json
VariadicArgsBench\ArrayTypeCheckBench
benchLoop1 I9 P0 [μ Mo]/r: 2.021 1.919 (μs) [μSD μRSD]/r: 0.148μs 7.34%
benchLoop1 R6 I7 P0 [μ Mo]/r: 1.986 1.936 (μs) [μSD μRSD]/r: 0.095μs 4.81%
benchLoop1 R2 I7 P0 [μ Mo]/r: 1.938 1.933 (μs) [μSD μRSD]/r: 0.046μs 2.39%
benchVariadic1 R2 I9 P0 [μ Mo]/r: 2.043 2.156 (μs) [μSD μRSD]/r: 0.167μs 8.18%
benchVariadic1 R7 I9 P0 [μ Mo]/r: 1.914 1.793 (μs) [μSD μRSD]/r: 0.163μs 8.53%
benchVariadic1 R8 I8 P0 [μ Mo]/r: 1.895 1.858 (μs) [μSD μRSD]/r: 0.105μs 5.53%
benchVariadic1 R4 I8 P0 [μ Mo]/r: 1.934 1.895 (μs) [μSD μRSD]/r: 0.099μs 5.12%
benchVariadic1 R4 I9 P0 [μ Mo]/r: 1.890 1.912 (μs) [μSD μRSD]/r: 0.072μs 3.81%
benchVariadic1 R3 I9 P0 [μ Mo]/r: 1.878 1.899 (μs) [μSD μRSD]/r: 0.063μs 3.35%
benchVariadic1 R3 I9 P0 [μ Mo]/r: 1.937 1.903 (μs) [μSD μRSD]/r: 0.084μs 4.31%
benchVariadic1 R1 I9 P0 [μ Mo]/r: 1.913 1.907 (μs) [μSD μRSD]/r: 0.044μs 2.31%
benchVariadic1 R1 I6 P0 [μ Mo]/r: 1.905 1.915 (μs) [μSD μRSD]/r: 0.029μs 1.51%
benchLoop2 R1 I9 P0 [μ Mo]/r: 7.948 7.778 (μs) [μSD μRSD]/r: 0.432μs 5.43%
benchLoop2 R5 I7 P0 [μ Mo]/r: 7.819 7.810 (μs) [μSD μRSD]/r: 0.216μs 2.76%
benchLoop2 R1 I4 P0 [μ Mo]/r: 7.767 7.828 (μs) [μSD μRSD]/r: 0.131μs 1.69%
benchVariadic2 R1 I9 P0 [μ Mo]/r: 3.402 3.472 (μs) [μSD μRSD]/r: 0.142μs 4.18%
benchVariadic2 R3 I8 P0 [μ Mo]/r: 3.430 3.454 (μs) [μSD μRSD]/r: 0.097μs 2.84%
benchVariadic2 R1 I0 P0 [μ Mo]/r: 3.431 3.454 (μs) [μSD μRSD]/r: 0.096μs 2.79%
benchLoop3 R1 I9 P0 [μ Mo]/r: 61.020 61.301 (μs) [μSD μRSD]/r: 0.946μs 1.55%
benchVariadic3 R1 I9 P0 [μ Mo]/r: 17.814 17.707 (μs) [μSD μRSD]/r: 0.278μs 1.56%
benchLoop4 R1 I9 P0 [μ Mo]/r: 61.313 61.773 (μs) [μSD μRSD]/r: 1.095μs 1.79%
benchVariadic4 R1 I9 P0 [μ Mo]/r: 18.005 18.104 (μs) [μSD μRSD]/r: 0.430μs 2.39%
8 subjects, 80 iterations, 800000 revs, 49 rejects
(best [mean mode] worst) = 1.852 [21.649 7.095] 62.742 (μs)
⅀T: 17,319,276.000μs μSD/r 0.381μs μRSD/r: 1.957%
+---------------------+----------------+-------+--------+-------+-----+----------+----------+----------+----------+----------+---------+--------+------------+
| benchmark | subject | group | params | revs | its | mem | best | mean | mode | worst | stdev | rstdev | diff |
+---------------------+----------------+-------+--------+-------+-----+----------+----------+----------+----------+----------+---------+--------+------------+
| ArrayTypeCheckBench | benchLoop1 | | [] | 10000 | 10 | 892,416b | 1.871μs | 1.938μs | 1.933μs | 2.032μs | 0.046μs | 2.39% | +1.71% |
| ArrayTypeCheckBench | benchVariadic1 | | [] | 10000 | 10 | 892,416b | 1.852μs | 1.905μs | 1.915μs | 1.940μs | 0.029μs | 1.51% | 0.00% |
| ArrayTypeCheckBench | benchLoop2 | | [] | 10000 | 10 | 892,416b | 7.461μs | 7.767μs | 7.828μs | 7.916μs | 0.131μs | 1.69% | +307.68% |
| ArrayTypeCheckBench | benchVariadic2 | | [] | 10000 | 10 | 892,416b | 3.263μs | 3.431μs | 3.454μs | 3.572μs | 0.096μs | 2.79% | +80.07% |
| ArrayTypeCheckBench | benchLoop3 | | [] | 10000 | 10 | 892,416b | 59.509μs | 61.020μs | 61.301μs | 62.444μs | 0.946μs | 1.55% | +3,102.71% |
| ArrayTypeCheckBench | benchVariadic3 | | [] | 10000 | 10 | 892,416b | 17.452μs | 17.814μs | 17.707μs | 18.423μs | 0.278μs | 1.56% | +834.97% |
| ArrayTypeCheckBench | benchLoop4 | | [] | 10000 | 10 | 892,416b | 58.875μs | 61.313μs | 61.773μs | 62.742μs | 1.095μs | 1.79% | +3,118.08% |
| ArrayTypeCheckBench | benchVariadic4 | | [] | 10000 | 10 | 892,416b | 17.417μs | 18.005μs | 18.104μs | 18.832μs | 0.430μs | 2.39% | +845.02% |
+---------------------+----------------+-------+--------+-------+-----+----------+----------+----------+----------+----------+---------+--------+------------+
Raw
phpbench.json
{
"bootstrap": "vendor/autoload.php",
"path": ".",
"retry_threshold": 5
}
Raw
run.sh
#!/bin/sh
set -x
curl -sS https://getcomposer.org/installer | php
./composer.phar install
./vendor/bin/phpbench run --report=aggregate ArrayTypeCheckBench.php
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