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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: 20:56 |
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*/ |
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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\Reports\Base\Report; |
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use AlecRabbit\Tools\Timer; |
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use AlecRabbit\Tools\Traits\BenchmarkFields; |
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use function AlecRabbit\brackets; |
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use function AlecRabbit\format_time; |
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use function AlecRabbit\typeOf; |
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use const AlecRabbit\Constants\Accessories\DEFAULT_NAME; |
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use const AlecRabbit\Constants\BRACKETS_PARENTHESES; |
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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 $reportable |
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*/ |
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public function __construct(Benchmark $reportable) |
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{ |
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$this->profiler = $reportable->getProfiler(); |
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$this->functions = $reportable->getFunctions(); |
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$this->totalIterations = $reportable->getTotalIterations(); |
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$this->withResults = $reportable->isWithResults(); |
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$this->exceptionMessages = $reportable->getExceptionMessages(); |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString(): string |
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{ |
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$profilerReport = (string)$this->getProfiler()->getReport(); |
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$r = 'Benchmark:' . PHP_EOL; |
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foreach ($this->computeRelatives() as $indexName => $result) { |
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$function = $this->getFunctionObject($indexName); |
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$arguments = $function->getArgs(); |
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$types = []; |
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if (!empty($arguments)) { |
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foreach ($arguments as $argument) { |
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$types[] = typeOf($argument); |
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} |
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} |
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$r .= sprintf( |
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'+%s %s(%s) %s %s', |
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$result, |
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$function->getIndexedName(), |
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implode(', ', $types), |
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$function->getComment(), |
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PHP_EOL |
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); |
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if ($this->withResults) { |
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$r .= var_export($function->getResult(), true) . PHP_EOL; |
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} |
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} |
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if (!empty($this->exceptionMessages)) { |
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$r .= 'Exceptions:'. PHP_EOL; |
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foreach ($this->exceptionMessages as $name => $exceptionMessage) { |
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$r .= brackets($name). ': '. $exceptionMessage . PHP_EOL; |
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} |
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} |
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return |
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$r . PHP_EOL . $profilerReport; |
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} |
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/** |
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* @return array |
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*/ |
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private function computeRelatives(): array |
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{ |
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$averages = $this->computeAverages( |
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$this->profiler->getTimers() |
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); |
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$min = min($averages); |
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$relatives = []; |
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foreach ($averages as $name => $average) { |
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$relatives[$name] = $average / $min; |
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} |
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asort($relatives); |
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foreach ($relatives as $name => $relative) { |
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$relatives[$name] = |
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$this->percent((float)$relative - 1) . ' ' . |
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brackets(format_time($averages[$name]), BRACKETS_PARENTHESES); |
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} |
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return $relatives; |
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} |
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/** |
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* @param array $timers |
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* @return array |
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*/ |
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private function computeAverages(array $timers): array |
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{ |
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$averages = []; |
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/** @var Timer $timer */ |
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foreach ($timers as $timer) { |
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if (DEFAULT_NAME !== $name = $timer->getName()) { |
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$averages[$name] = $timer->getAverageValue(); |
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} |
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} |
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return $averages; |
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} |
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/** |
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* @param float $relative |
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* @return string |
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*/ |
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private function percent(float $relative): string |
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{ |
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return |
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number_format($relative * 100, 1) . '%'; |
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} |
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/** |
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* @param string $name |
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* @return BenchmarkFunction |
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*/ |
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private function getFunctionObject(string $name): BenchmarkFunction |
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{ |
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return $this->functions[$name]; |
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} |
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} |
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alecrabbit /
php-simple-profiler
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