Diff Report
Run #5391fd5a43e70: 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 #5391fd5a43e70Run #5391fc871e91dDiffDiff%
Number of Function Calls360 358 -2 -0.6%
Incl. Wall Time (microsec)9,740 9,720 -20 -0.2%
Incl. Wall Time (microsec) per call 27 27 0 0.4%
Excl. Wall Time (microsec)852 831 -21 -2.5%
Incl. CPU (microsecs)10,148 10,094 -54 -0.5%
Incl. CPU (microsecs) per call 28 28 0 0.0%
Excl. CPU (microsec)1,204 1,152 -52 -4.3%
Incl. MemUse (bytes)1,385,756 1,385,760 4 0.0%
Incl. MemUse (bytes) per call 3,849 3,871 22 0.6%
Excl. MemUse (bytes)-6,680 -6,680 0 0.0%
Incl. PeakMemUse (bytes)1,200,672 1,200,564 -108 -0.0%
Incl. PeakMemUse (bytes) per call 3,335 3,354 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_exists-2 -100.0% -20 -1.2% -54 -13.5% 4 0.0% -108 -0.4%
Exclusive Metrics Diff for Current Function-21 -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\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\Database\Connection::getDriverClass0 0.0% 21 105.0% 22 40.7% 4 100.0% 64 59.3%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% -14 -70.0% -23 -42.6% 4 100.0% 4 3.7%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -12 -60.0% -14 -25.9% 0 0.0% -20 -18.5%
Drupal\Core\Template\TwigEnvironment::loadTemplate-2 -100.0% -4 -20.0% -12 -22.2% 0 0.0% 0 0.0%
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%
file_stream_wrapper_get_instance_by_uri0 0.0% -1 -5.0% -6 -11.1% 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%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 1 5.0% -2 -3.7% 4 100.0% -108 -100.0%