Diff Report
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fd5a43e70: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #5391fc871e91dRun #5391fd5a43e70DiffDiff%
Number of Function Calls358 360 2 0.6%
Incl. Wall Time (microsec)9,720 9,740 20 0.2%
Incl. Wall Time (microsec) per call 27 27 -0 -0.4%
Excl. Wall Time (microsec)831 852 21 2.5%
Incl. CPU (microsecs)10,094 10,148 54 0.5%
Incl. CPU (microsecs) per call 28 28 -0 -0.0%
Excl. CPU (microsec)1,152 1,204 52 4.5%
Incl. MemUse (bytes)1,385,760 1,385,756 -4 -0.0%
Incl. MemUse (bytes) per call 3,871 3,849 -22 -0.6%
Excl. MemUse (bytes)-6,680 -6,680 0 0.0%
Incl. PeakMemUse (bytes)1,200,564 1,200,672 108 0.0%
Incl. PeakMemUse (bytes) per call 3,354 3,335 -18 -0.5%
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_exists2 100.0% 20 1.2% 54 13.5% -4 -0.0% 108 0.4%
Exclusive Metrics Diff for Current Function21 105.0% 52 96.3% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -98 -490.0% -94 -174.1% 0 0.0% 168 155.6%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -21 -105.0% -22 -40.7% -4 -100.0% -64 -59.3%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 0.0% 3 15.0% 3 5.6% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% -2 -10.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% 14 70.0% 23 42.6% -4 -100.0% -4 -3.7%
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% 79 395.0% 86 159.3% 4 100.0% -12 -11.1%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 28 140.0% 25 46.3% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 12 60.0% 14 25.9% 0 0.0% 20 18.5%
Drupal\Core\Template\TwigEnvironment::loadTemplate2 100.0% 4 20.0% 12 22.2% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 1 1.9% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 1 5.0% 6 11.1% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -1 -5.0% 2 3.7% -4 -100.0% 108 100.0%