Diff Report
Run #52c96ba78d568: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96b69a1c07: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #52c96ba78d568Run #52c96b69a1c07DiffDiff%
Number of Function Calls64 64 0 0.0%
Incl. Wall Time (microsec)2,228 2,244 16 0.7%
Incl. Wall Time (microsec) per call 35 35 0 0.7%
Excl. Wall Time (microsec)151 150 -1 -0.7%
Incl. CPU (microsecs)2,277 2,287 10 0.4%
Incl. CPU (microsecs) per call 36 36 0 0.4%
Excl. CPU (microsec)176 165 -11 -6.2%
Incl. MemUse (bytes)804,192 804,192 0 0.0%
Incl. MemUse (bytes) per call 12,566 12,566 0 0.0%
Excl. MemUse (bytes)-120 -120 0 0.0%
Incl. PeakMemUse (bytes)626,840 626,840 0 0.0%
Incl. PeakMemUse (bytes) per call 9,794 9,794 0 0.0%
Excl. PeakMemUse (bytes)8,696 8,696 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% 16 21.6% 10 1000.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -6.2% -11 -110.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -52 -325.0% -50 -500.0% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 35 218.8% 32 320.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 32 200.0% 33 330.0% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 N/A% 1 6.2% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -1 -6.2% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 1 6.2% -1 -10.0% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% 1 6.2% 1 10.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% -1 -6.2% -1 -10.0% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 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 -20.0% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 0 0.0% -1 -10.0% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% -1 -10.0% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 17 106.2% 21 210.0% 0 N/A% 0 N/A%