Diff Report
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e3238612: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #53923d861ff11Run #53923e3238612DiffDiff%
Number of Function Calls1,079 1,079 0 0.0%
Incl. Wall Time (microsec)14,408 14,470 62 0.4%
Incl. Wall Time (microsec) per call 13 13 0 0.4%
Excl. Wall Time (microsec)1,869 1,873 4 0.2%
Incl. CPU (microsecs)15,532 15,627 95 0.6%
Incl. CPU (microsecs) per call 14 14 0 0.6%
Excl. CPU (microsec)2,925 2,961 36 1.2%
Incl. MemUse (bytes)1,698,504 1,698,504 0 0.0%
Incl. MemUse (bytes) per call 1,574 1,574 0 0.0%
Excl. MemUse (bytes)-10,844 -10,844 0 0.0%
Incl. PeakMemUse (bytes)1,373,988 1,373,988 0 0.0%
Incl. PeakMemUse (bytes) per call 1,273 1,273 0 0.0%
Excl. PeakMemUse (bytes)8,188 8,188 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% 62 13.2% 95 29.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 6.5% 36 37.9% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 74 119.4% 66 69.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 67 108.1% 65 68.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::extend0 N/A% -8 -12.9% -10 -10.5% 0 N/A% 0 N/A%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% -1 -1.6% -4 -4.2% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 1 1.1% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 44 71.0% 93 97.9% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% -115 -185.5% -110 -115.8% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 0 0.0% -1 -1.1% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% 3 4.8% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% -2 -3.2% -3 -3.2% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% -1 -1.1% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% -1 -1.1% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 58 93.5% 59 62.1% 0 N/A% 0 N/A%