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<?php |
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declare(strict_types=1); |
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namespace AlecRabbit\Tools\Reports; |
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use AlecRabbit\Tools\Benchmark; |
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use AlecRabbit\Tools\Internal\BenchmarkFunction; |
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use AlecRabbit\Tools\Internal\BenchmarkRelative; |
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use AlecRabbit\Tools\Reports\Base\Report; |
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use AlecRabbit\Tools\Traits\BenchmarkFields; |
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use const AlecRabbit\Traits\Constants\DEFAULT_NAME; |
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class BenchmarkReport extends Report |
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{ |
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use BenchmarkFields; |
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/** |
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* BenchmarkReport constructor. |
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* @param Benchmark $benchmark |
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*/ |
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public function __construct(Benchmark $benchmark) |
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{ |
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$this->profiler = $benchmark->getProfiler(); |
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$this->doneIterations = $benchmark->getDoneIterations(); |
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$this->functions = $this->updateFunctions($benchmark->getFunctions()); |
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$this->timer = $benchmark->getTimer(); |
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parent::__construct(); |
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} |
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/** |
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* @param array $functions |
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* @return array |
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*/ |
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private function updateFunctions(array $functions): array |
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{ |
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$averages = $this->computeAverages($functions); |
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$relatives = $this->computeRelatives($averages); |
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$updatedFunctions = []; |
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if (!empty($relatives)) { |
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$rank = 0; |
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/** @var BenchmarkFunction $function */ |
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foreach ($functions as $name => $function) { |
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$relative = $relatives[$name] ?? null; |
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$average = $averages[$name] ?? null; |
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if (null !== $relative && null !== $average) { |
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$function->setBenchmarkRelative( |
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new BenchmarkRelative(++$rank, (float)$relative - 1, (float)$average) |
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); |
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} |
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$updatedFunctions[$name] = $function; |
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} |
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} |
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return $updatedFunctions; |
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} |
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/** |
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* @param array $functions |
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* @return array |
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*/ |
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private function computeAverages(array $functions): array |
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{ |
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$averages = []; |
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/** @var BenchmarkFunction $f */ |
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foreach ($functions as $f) { |
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$timer = $f->getTimer(); |
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if ((DEFAULT_NAME !== $name = $timer->getName()) |
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&& 0.0 !== $avg = $timer->getAverageValue()) { |
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$averages[$name] = $avg; |
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} |
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} |
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return $averages; |
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} |
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private function computeRelatives(array $averages): array |
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{ |
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$rel = []; |
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if (!empty($averages)) { |
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$min = min($averages); |
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foreach ($averages as $name => $average) { |
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$rel[$name] = $average / $min; |
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} |
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asort($rel); |
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} |
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return $rel; |
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} |
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/** |
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* @return BenchmarkFunction[] |
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*/ |
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public function getFunctions(): array |
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{ |
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return $this->functions; |
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} |
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} |
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alecrabbit /
php-simple-profiler
