Diff Report
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920bd97d62d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #53920b950c201Run #53920bd97d62dDiffDiff%
Number of Function Calls223 223 0 0.0%
Incl. Wall Time (microsec)8,809 9,179 370 4.2%
Incl. Wall Time (microsec) per call 40 41 2 4.2%
Excl. Wall Time (microsec)545 552 7 1.3%
Incl. CPU (microsecs)9,061 9,447 386 4.3%
Incl. CPU (microsecs) per call 41 42 2 4.3%
Excl. CPU (microsec)758 778 20 2.6%
Incl. MemUse (bytes)1,348,012 1,348,012 0 0.0%
Incl. MemUse (bytes) per call 6,045 6,045 0 0.0%
Excl. MemUse (bytes)-4,704 -4,704 0 0.0%
Incl. PeakMemUse (bytes)1,215,424 1,215,424 0 0.0%
Incl. PeakMemUse (bytes) per call 5,450 5,450 0 0.0%
Excl. PeakMemUse (bytes)5,372 5,372 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% 370 81.1% 386 87.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function7 1.9% 20 5.2% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 126 34.1% 129 33.4% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 107 28.9% 123 31.9% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% 72 19.5% 68 17.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 48 13.0% 50 13.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 10 2.7% 11 2.8% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% 7 1.9% 6 1.6% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% -1 -0.3% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% 1 0.3% 2 0.5% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% -4 -1.0% 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\DrupalKernel::initializeContainer0 N/A% 0 0.0% 1 0.3% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 363 98.1% 366 94.8% 0 N/A% 0 N/A%