Diff Report
Run #539fd0a78f1b7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd2109980d: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #539fd0a78f1b7Run #539fd2109980dDiffDiff%
Number of Function Calls2,494 2,494 0 0.0%
Incl. Wall Time (microsec)101,538 102,080 542 0.5%
Incl. Wall Time (microsec) per call 41 41 0 0.5%
Excl. Wall Time (microsec)3,376 3,444 68 2.0%
Incl. CPU (microsecs)103,724 104,259 535 0.5%
Incl. CPU (microsecs) per call 42 42 0 0.5%
Excl. CPU (microsec)5,446 5,527 81 1.5%
Incl. MemUse (bytes)10,567,264 10,567,264 0 0.0%
Incl. MemUse (bytes) per call 4,237 4,237 0 0.0%
Excl. MemUse (bytes)9,920 9,920 0 0.0%
Incl. PeakMemUse (bytes)8,670,320 8,670,320 0 0.0%
Incl. PeakMemUse (bytes) per call 3,476 3,476 0 0.0%
Excl. PeakMemUse (bytes)11,984 11,984 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% 542 8.0% 535 8.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function68 12.5% 81 15.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 2,705 499.1% 2,670 499.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -846 -156.1% -839 -156.8% 0 N/A% 0 N/A%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% 108 19.9% 110 20.6% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% -1 -0.2% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% -1,047 -193.2% -1,041 -194.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% -1,914 -353.1% -1,921 -359.1% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 891 164.4% 898 167.9% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% 654 120.7% 655 122.4% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% -6 -1.1% 9 1.7% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% -2 -0.4% -6 -1.1% 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%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child function
spl_autoload_call0 N/A% 474 87.5% 454 84.9% 0 N/A% 0 N/A%