Diff Report
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #539201f8938f4Run #5392041970f3fDiffDiff%
Number of Function Calls354 356 2 0.6%
Incl. Wall Time (microsec)9,981 9,989 8 0.1%
Incl. Wall Time (microsec) per call 28 28 -0 -0.5%
Excl. Wall Time (microsec)749 756 7 0.9%
Incl. CPU (microsecs)10,387 10,379 -8 -0.1%
Incl. CPU (microsecs) per call 29 29 -0 -0.6%
Excl. CPU (microsec)1,112 1,098 -14 -1.3%
Incl. MemUse (bytes)1,337,100 1,337,108 8 0.0%
Incl. MemUse (bytes) per call 3,777 3,756 -21 -0.6%
Excl. MemUse (bytes)-5,916 -5,916 0 0.0%
Incl. PeakMemUse (bytes)1,194,864 1,194,840 -24 -0.0%
Incl. PeakMemUse (bytes) per call 3,375 3,356 -19 -0.6%
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_exists2 100.0% 8 0.5% -8 -0.3% 8 0.0% -24 -0.0%
Exclusive Metrics Diff for Current Function7 87.5% -14 -175.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 153 1912.5% 149 1862.5% 8 100.0% -68 -283.3%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -7 -87.5% -5 -62.5% 0 0.0% 0 0.0%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 0.0% -4 -50.0% -3 -37.5% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 1 12.5% -2 -25.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% -21 -262.5% -23 -287.5% 8 100.0% 8 33.3%
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% -98 -1225.0% -108 -1350.0% -8 -100.0% 36 150.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% -7 -87.5% -4 -50.0% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -13 -162.5% -13 -162.5% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate2 100.0% 5 62.5% 2 25.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% -1 -12.5% -1 -12.5% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 1 12.5% 6 75.0% 8 100.0% -24 -100.0%