Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #534ad8dec7444Run #534ad972c8c0dDiffDiff%
Number of Function Calls434 434 0 0.0%
Incl. Wall Time (microsec)17,875 17,332 -543 -3.0%
Incl. Wall Time (microsec) per call 41 40 -1 -3.0%
Excl. Wall Time (microsec)1,295 1,267 -28 -2.2%
Incl. CPU (microsecs)18,382 17,823 -559 -3.0%
Incl. CPU (microsecs) per call 42 41 -1 -3.0%
Excl. CPU (microsec)1,694 1,653 -41 -2.4%
Incl. MemUse (bytes)2,610,676 2,610,676 0 0.0%
Incl. MemUse (bytes) per call 6,015 6,015 0 0.0%
Excl. MemUse (bytes)-16,580 -16,580 0 0.0%
Incl. PeakMemUse (bytes)2,264,888 2,264,888 0 0.0%
Incl. PeakMemUse (bytes) per call 5,219 5,219 0 0.0%
Excl. PeakMemUse (bytes)9,316 9,316 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% -543 -37.3% -559 -95.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-28 -5.2% -41 -7.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -233 -42.9% -236 -42.2% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% 2 0.4% 1 0.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 1 0.2% 3 0.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::extend0 N/A% -20 -3.7% -21 -3.8% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -1 -0.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% -167 -30.8% -171 -30.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% -141 -26.0% -142 -25.4% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 8 1.5% 6 1.1% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% 4 0.7% 5 0.9% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 3 0.6% -2 -0.4% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% -1 -0.2% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -515 -94.8% -518 -92.7% 0 N/A% 0 N/A%