Diff Report
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49b28a90e1: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #52e49acfb0eb8Run #52e49b28a90e1DiffDiff%
Number of Function Calls111 111 0 0.0%
Incl. Wall Time (microsec)5,393 5,367 -26 -0.5%
Incl. Wall Time (microsec) per call 49 48 -0 -0.5%
Excl. Wall Time (microsec)245 250 5 2.0%
Incl. CPU (microsecs)5,484 5,455 -29 -0.5%
Incl. CPU (microsecs) per call 49 49 -0 -0.5%
Excl. CPU (microsec)320 302 -18 -5.6%
Incl. MemUse (bytes)1,933,056 1,933,056 0 0.0%
Incl. MemUse (bytes) per call 17,415 17,415 0 0.0%
Excl. MemUse (bytes)-4,104 -4,104 0 0.0%
Incl. PeakMemUse (bytes)1,613,712 1,613,712 0 0.0%
Incl. PeakMemUse (bytes) per call 14,538 14,538 0 0.0%
Excl. PeakMemUse (bytes)10,640 10,640 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% -26 -9.1% -29 -6.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 19.2% -18 -62.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% -43 -165.4% -36 -124.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -42 -161.5% -41 -141.4% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 31 119.2% 12 41.4% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 28 107.7% 32 110.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% -1 -3.8% -2 -6.9% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 N/A% 1 3.8% 2 6.9% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -1 -3.8% 1 3.4% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% 1 3.8% 1 3.4% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 1 3.4% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 1 3.4% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -31 -119.2% -11 -37.9% 0 N/A% 0 N/A%