Diff Report
Run #550de112c2927: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #550de0b43acdf: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for class_exists

class_existsRun #550de112c2927Run #550de0b43acdfDiffDiff%
Number of Function Calls130 130 0 0.0%
Incl. Wall Time (microsec)10,987 11,292 305 2.8%
Incl. Wall Time (microsec) per call 85 87 2 2.8%
Excl. Wall Time (microsec)344 346 2 0.6%
Incl. MemUse (bytes)4,217,648 4,217,680 32 0.0%
Incl. MemUse (bytes) per call 32,443 32,444 0 0.0%
Excl. MemUse (bytes)-12,760 -12,760 0 0.0%
Incl. PeakMemUse (bytes)3,341,352 3,345,736 4,384 0.1%
Incl. PeakMemUse (bytes) per call 25,703 25,736 34 0.1%
Excl. PeakMemUse (bytes)7,784 7,784 0 0.0%

Parent/Child Regression/Improvement report for class_exists [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
class_exists0 N/A% 305 2.6% 32 0.8% 4,384 130.5%
Exclusive Metrics Diff for Current Function2 0.7% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 259 84.9% 8 25.0% 448 10.2%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 24 7.9% 16 50.0% 3,672 83.8%
Drupal\Core\Entity\EntityType::hasHandlerClass0 N/A% 18 5.9% -8 -25.0% 248 5.7%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 6 2.0% 16 50.0% 16 0.4%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% -3 -1.0% 0 0.0% 0 0.0%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% 2 0.7% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -1 -0.3% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate@10 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 303 99.3% 32 100.0% 4,384 100.0%