Diff Report
Run #539203c57074d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #539203c57074dRun #539201f8938f4DiffDiff%
Number of Function Calls354 354 0 0.0%
Incl. Wall Time (microsec)9,943 9,981 38 0.4%
Incl. Wall Time (microsec) per call 28 28 0 0.4%
Excl. Wall Time (microsec)748 749 1 0.1%
Incl. CPU (microsecs)10,360 10,387 27 0.3%
Incl. CPU (microsecs) per call 29 29 0 0.3%
Excl. CPU (microsec)1,113 1,112 -1 -0.1%
Incl. MemUse (bytes)1,337,100 1,337,100 0 0.0%
Incl. MemUse (bytes) per call 3,777 3,777 0 0.0%
Excl. MemUse (bytes)-5,916 -5,916 0 0.0%
Incl. PeakMemUse (bytes)1,194,864 1,194,864 0 0.0%
Incl. PeakMemUse (bytes) per call 3,375 3,375 0 0.0%
Excl. PeakMemUse (bytes)6,912 6,912 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% 38 15.4% 27 5.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 2.6% -1 -3.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -31 -81.6% -26 -96.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% 28 73.7% 33 122.2% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% 19 50.0% 17 63.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 15 39.5% 13 48.1% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 9 23.7% 8 29.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% -8 -21.1% -27 -100.0% 0 N/A% 0 N/A%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% 6 15.8% 6 22.2% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 1 2.6% 1 3.7% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% -1 -2.6% 0 0.0% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 2 7.4% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 37 97.4% 28 103.7% 0 N/A% 0 N/A%