Diff Report
Run #52d4b1d6bf728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #52d4b1d6bf728Run #52d4b18f32fb6DiffDiff%
Number of Function Calls55 55 0 0.0%
Incl. Wall Time (microsec)6,098 6,164 66 1.1%
Incl. Wall Time (microsec) per call 111 112 1 1.1%
Excl. Wall Time (microsec)159 153 -6 -3.8%
Incl. CPU (microsecs)6,146 6,218 72 1.2%
Incl. CPU (microsecs) per call 112 113 1 1.2%
Excl. CPU (microsec)175 179 4 2.3%
Incl. MemUse (bytes)905,320 905,320 0 0.0%
Incl. MemUse (bytes) per call 16,460 16,460 0 0.0%
Excl. MemUse (bytes)160 160 0 0.0%
Incl. PeakMemUse (bytes)777,368 777,368 0 0.0%
Incl. PeakMemUse (bytes) per call 14,134 14,134 0 0.0%
Excl. PeakMemUse (bytes)9,632 9,632 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% 66 57.9% 72 167.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -9.1% 4 5.6% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 42 63.6% 48 66.7% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 41 62.1% 40 55.6% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -22 -33.3% -23 -31.9% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 6 9.1% 3 4.2% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 N/A% -2 -3.0% -2 -2.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 2 3.0% 4 5.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::extend0 N/A% -1 -1.5% 1 1.4% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% 0 0.0% -1 -1.4% 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 -1.4% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 3 4.2% 0 N/A% 0 N/A%
Child function
Composer\Autoload\ClassLoader::loadClass0 N/A% 72 109.1% 68 94.4% 0 N/A% 0 N/A%