Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206513e72e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #539205a48c548Run #539206513e72eDiffDiff%
Number of Function Calls393 393 0 0.0%
Incl. Wall Time (microsec)11,597 11,650 53 0.5%
Incl. Wall Time (microsec) per call 30 30 0 0.5%
Excl. Wall Time (microsec)917 922 5 0.5%
Incl. CPU (microsecs)12,032 12,060 28 0.2%
Incl. CPU (microsecs) per call 31 31 0 0.2%
Excl. CPU (microsec)1,300 1,284 -16 -1.2%
Incl. MemUse (bytes)1,568,352 1,568,352 0 0.0%
Incl. MemUse (bytes) per call 3,991 3,991 0 0.0%
Excl. MemUse (bytes)-7,936 -7,936 0 0.0%
Incl. PeakMemUse (bytes)1,303,600 1,303,600 0 0.0%
Incl. PeakMemUse (bytes) per call 3,317 3,317 0 0.0%
Excl. PeakMemUse (bytes)7,844 7,844 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% 53 5.8% 28 8.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 9.4% -16 -57.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% 59 111.3% 58 207.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -31 -58.5% -32 -114.3% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 30 56.6% 26 92.9% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 24 45.3% 31 110.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% -20 -37.7% -37 -132.1% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -7 -13.2% -7 -25.0% 0 N/A% 0 N/A%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% -3 -5.7% -5 -17.9% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 1 1.9% -7 -25.0% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% 3 10.7% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% -1 -3.6% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -1 -3.6% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 48 90.6% 44 157.1% 0 N/A% 0 N/A%