Diff Report
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539203c57074d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #539201f8938f4Run #539203c57074dDiffDiff%
Number of Function Calls354 354 0 0.0%
Incl. Wall Time (microsec)9,981 9,943 -38 -0.4%
Incl. Wall Time (microsec) per call 28 28 -0 -0.4%
Excl. Wall Time (microsec)749 748 -1 -0.1%
Incl. CPU (microsecs)10,387 10,360 -27 -0.3%
Incl. CPU (microsecs) per call 29 29 -0 -0.3%
Excl. CPU (microsec)1,112 1,113 1 0.1%
Incl. MemUse (bytes)1,337,100 1,337,100 0 0.0%
Incl. MemUse (bytes) per call 3,777 3,777 0 0.0%
Excl. MemUse (bytes)-5,916 -5,916 0 0.0%
Incl. PeakMemUse (bytes)1,194,864 1,194,864 0 0.0%
Incl. PeakMemUse (bytes) per call 3,375 3,375 0 0.0%
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_exists0 N/A% -38 -15.4% -27 -5.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -2.6% 1 3.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 31 81.6% 26 96.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% -28 -73.7% -33 -122.2% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -19 -50.0% -17 -63.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -15 -39.5% -13 -48.1% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% -9 -23.7% -8 -29.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 8 21.1% 27 100.0% 0 N/A% 0 N/A%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% -6 -15.8% -6 -22.2% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% -1 -2.6% -1 -3.7% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 1 2.6% 0 0.0% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% -2 -7.4% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -37 -97.4% -28 -103.7% 0 N/A% 0 N/A%