Diff Report
Run #5350e128cfd2b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5350e1a85fcec: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #5350e128cfd2bRun #5350e1a85fcecDiffDiff%
Number of Function Calls3,054 3,054 0 0.0%
Incl. Wall Time (microsec)44,204 44,314 110 0.2%
Incl. Wall Time (microsec) per call 14 15 0 0.2%
Excl. Wall Time (microsec)2,574 2,576 2 0.1%
Incl. CPU (microsecs)46,143 46,245 102 0.2%
Incl. CPU (microsecs) per call 15 15 0 0.2%
Excl. CPU (microsec)4,445 4,429 -16 -0.4%
Incl. MemUse (bytes)9,417,000 9,417,000 0 0.0%
Incl. MemUse (bytes) per call 3,083 3,083 0 0.0%
Excl. MemUse (bytes)-16,880 -16,880 0 0.0%
Incl. PeakMemUse (bytes)8,096,712 8,096,712 0 0.0%
Incl. PeakMemUse (bytes) per call 2,651 2,651 0 0.0%
Excl. PeakMemUse (bytes)10,056 10,056 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% 110 12.1% 102 9.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 1.8% -16 -15.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 118 107.3% 127 124.5% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -53 -48.2% -57 -55.9% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% 49 44.5% 44 43.1% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% -21 -19.1% -34 -33.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 14 12.7% 14 13.7% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% 2 1.8% 2 2.0% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 N/A% -1 -0.9% 1 1.0% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% 1 0.9% 1 1.0% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 1 0.9% 5 4.9% 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%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -2 -2.0% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 108 98.2% 118 115.7% 0 N/A% 0 N/A%