Diff Report
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for class_exists

class_existsRun #5392041970f3fRun #539201f8938f4DiffDiff%
Number of Function Calls356 354 -2 -0.6%
Incl. Wall Time (microsec)9,989 9,981 -8 -0.1%
Incl. Wall Time (microsec) per call 28 28 0 0.5%
Excl. Wall Time (microsec)756 749 -7 -0.9%
Incl. CPU (microsecs)10,379 10,387 8 0.1%
Incl. CPU (microsecs) per call 29 29 0 0.6%
Excl. CPU (microsec)1,098 1,112 14 1.3%
Incl. MemUse (bytes)1,337,108 1,337,100 -8 -0.0%
Incl. MemUse (bytes) per call 3,756 3,777 21 0.6%
Excl. MemUse (bytes)-5,916 -5,916 0 0.0%
Incl. PeakMemUse (bytes)1,194,840 1,194,864 24 0.0%
Incl. PeakMemUse (bytes) per call 3,356 3,375 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_exists-2 -100.0% -8 -0.5% 8 0.3% -8 -0.0% 24 0.0%
Exclusive Metrics Diff for Current Function-7 -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\Entity\EntityType::hasControllerClass0 0.0% 98 1225.0% 108 1350.0% 8 100.0% -36 -150.0%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% 21 262.5% 23 287.5% -8 -100.0% -8 -33.3%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 13 162.5% 13 162.5% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 7 87.5% 4 50.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 7 87.5% 5 62.5% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-2 -100.0% -5 -62.5% -2 -25.0% 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%
file_stream_wrapper_get_instance_by_uri0 0.0% 1 12.5% 1 12.5% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% -1 -12.5% 2 25.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 0 0.0% 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%