Diff Report
Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccba053790: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #531ccb2cb8e3dRun #531ccba053790DiffDiff%
Number of Function Calls249 249 0 0.0%
Incl. Wall Time (microsec)20,099 20,001 -98 -0.5%
Incl. Wall Time (microsec) per call 81 80 -0 -0.5%
Excl. Wall Time (microsec)395 388 -7 -1.8%
Incl. CPU (microsecs)20,241 20,145 -96 -0.5%
Incl. CPU (microsecs) per call 81 81 -0 -0.5%
Excl. CPU (microsec)504 495 -9 -1.8%
Incl. MemUse (bytes)4,139,472 4,139,472 0 0.0%
Incl. MemUse (bytes) per call 16,624 16,624 0 0.0%
Excl. MemUse (bytes)-1,176 -1,176 0 0.0%
Incl. PeakMemUse (bytes)3,892,712 3,892,712 0 0.0%
Incl. PeakMemUse (bytes) per call 15,633 15,633 0 0.0%
Excl. PeakMemUse (bytes)8,896 8,896 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. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
class_exists0 N/A% -98 -169.0% -96 -162.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-7 -7.1% -9 -9.4% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% -48 -49.0% -46 -47.9% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% -29 -29.6% -29 -30.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 24 24.5% 28 29.2% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -18 -18.4% -14 -14.6% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -14 -14.3% -14 -14.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% -10 -10.2% -18 -18.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -2 -2.0% 1 1.0% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 N/A% -1 -1.0% -1 -1.0% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% -2 -2.1% 0 N/A% 0 N/A%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% -1 -1.0% 0 N/A% 0 N/A%
Drupal\Core\ImageToolkit\ImageToolkitManager::getDefaultToolkit0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -1 -1.0% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 1 1.0% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -91 -92.9% -87 -90.6% 0 N/A% 0 N/A%