Diff Report
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #534ad972c8c0dRun #534ad8dec7444DiffDiff%
Number of Function Calls434 434 0 0.0%
Incl. Wall Time (microsec)17,332 17,875 543 3.1%
Incl. Wall Time (microsec) per call 40 41 1 3.1%
Excl. Wall Time (microsec)1,267 1,295 28 2.2%
Incl. CPU (microsecs)17,823 18,382 559 3.1%
Incl. CPU (microsecs) per call 41 42 1 3.1%
Excl. CPU (microsec)1,653 1,694 41 2.5%
Incl. MemUse (bytes)2,610,676 2,610,676 0 0.0%
Incl. MemUse (bytes) per call 6,015 6,015 0 0.0%
Excl. MemUse (bytes)-16,580 -16,580 0 0.0%
Incl. PeakMemUse (bytes)2,264,888 2,264,888 0 0.0%
Incl. PeakMemUse (bytes) per call 5,219 5,219 0 0.0%
Excl. PeakMemUse (bytes)9,316 9,316 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% 543 37.3% 559 95.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function28 5.2% 41 7.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 233 42.9% 236 42.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 167 30.8% 171 30.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% 141 26.0% 142 25.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::extend0 N/A% 20 3.7% 21 3.8% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% -8 -1.5% -6 -1.1% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -4 -0.7% -5 -0.9% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% -3 -0.6% 2 0.4% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% -2 -0.4% -1 -0.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -1 -0.2% -3 -0.5% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 1 0.2% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 1 0.2% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 515 94.8% 518 92.7% 0 N/A% 0 N/A%