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<?php |
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/** |
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* User: alec |
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* Date: 29.11.18 |
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* Time: 11:04 |
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*/ |
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namespace AlecRabbit\Tools; |
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use AlecRabbit\Rewindable; |
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use AlecRabbit\Tools\Contracts\BenchmarkInterface; |
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use AlecRabbit\Tools\Internal\BenchmarkedFunction; |
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use AlecRabbit\Tools\Reports\Contracts\ReportableInterface; |
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use AlecRabbit\Tools\Reports\Traits\Reportable; |
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use AlecRabbit\Tools\Traits\BenchmarkFields; |
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use function AlecRabbit\typeOf; |
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class Benchmark implements BenchmarkInterface, ReportableInterface |
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{ |
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use BenchmarkFields, Reportable; |
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/** @var int */ |
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private $namingIndex = 0; |
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/** @var Rewindable */ |
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private $iterations; // todo rename field |
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/** @var null|string */ |
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private $comment; |
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public function __construct(int $iterations = 1000) |
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{ |
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$this->iterations = |
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new Rewindable( |
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function (int $iterations, int $i = 1): \Generator { |
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while ($i <= $iterations) { |
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yield $i++; |
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} |
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}, |
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$iterations |
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); |
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$this->profiler = new Profiler(); |
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} |
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/** |
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* Launch benchmarking |
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*/ |
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public function compare(): void |
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{ |
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/** @var BenchmarkedFunction $f */ |
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foreach ($this->functions as $name => $f) { |
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$this->profiler->timer($name)->start(); |
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$function = $f->getFunction(); |
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$args = $f->getArgs(); |
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$this->iteration = 0; |
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foreach ($this->iterations as $iteration) { |
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/** @noinspection VariableFunctionsUsageInspection */ |
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/** @noinspection DisconnectedForeachInstructionInspection */ |
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\call_user_func($function, ...$args); |
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$this->profiler->timer($name)->check($iteration); |
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++$this->iteration; |
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} |
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} |
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} |
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/** |
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* @param callable $func |
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* @param mixed ...$args |
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*/ |
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public function addFunction($func, ...$args): void |
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{ |
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if (!\is_callable($func, false, $name)) { |
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throw new \InvalidArgumentException( |
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sprintf( |
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'\'%s\' is NOT callable. Function must be callable. Type of "%s" provided instead.', |
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$name, |
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typeOf($func) |
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) |
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); |
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} |
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$function = new BenchmarkedFunction($func, $name, $this->namingIndex++, $args, $this->comment); |
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$this->comment = null; |
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$this->functions[$function->getEnumeratedName()] = $function; |
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} |
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/** |
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* @param string $name |
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* @return Benchmark |
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*/ |
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public function withComment(string $name): self |
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{ |
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$this->comment = $name; |
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return $this; |
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} |
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protected function prepareForReport(): void |
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{ |
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$this->getProfiler()->report(); |
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} |
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} |
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alecrabbit /
php-simple-profiler
