Diff Report
Run #5391fcf6ab927: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #5391fcf6ab927Run #5391fc871e91dDiffDiff%
Number of Function Calls358 358 0 0.0%
Incl. Wall Time (microsec)9,723 9,720 -3 -0.0%
Incl. Wall Time (microsec) per call 27 27 -0 -0.0%
Excl. Wall Time (microsec)837 831 -6 -0.7%
Incl. CPU (microsecs)10,127 10,094 -33 -0.3%
Incl. CPU (microsecs) per call 28 28 -0 -0.3%
Excl. CPU (microsec)1,196 1,152 -44 -3.7%
Incl. MemUse (bytes)1,385,760 1,385,760 0 0.0%
Incl. MemUse (bytes) per call 3,871 3,871 0 0.0%
Excl. MemUse (bytes)-6,680 -6,680 0 0.0%
Incl. PeakMemUse (bytes)1,200,564 1,200,564 0 0.0%
Incl. PeakMemUse (bytes) per call 3,354 3,354 0 0.0%
Excl. PeakMemUse (bytes)7,636 7,636 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% -3 -0.2% -33 -2.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -200.0% -44 -133.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% -67 -2233.3% -93 -281.8% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 34 1133.3% 47 142.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 29 966.7% 29 87.9% 0 N/A% 0 N/A%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% -15 -500.0% -16 -48.5% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% 13 433.3% 2 6.1% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 9 300.0% 14 42.4% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -7 -233.3% -6 -18.2% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 1 33.3% -3 -9.1% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% -4 -12.1% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -2 -6.1% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% -1 -3.0% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 3 100.0% 11 33.3% 0 N/A% 0 N/A%