Diff Report
Run #531ee5f3237b0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ee626b79e4: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #531ee5f3237b0Run #531ee626b79e4DiffDiff%
Number of Function Calls249 249 0 0.0%
Incl. Wall Time (microsec)20,345 20,269 -76 -0.4%
Incl. Wall Time (microsec) per call 82 81 -0 -0.4%
Excl. Wall Time (microsec)393 396 3 0.8%
Incl. CPU (microsecs)20,488 20,425 -63 -0.3%
Incl. CPU (microsecs) per call 82 82 -0 -0.3%
Excl. CPU (microsec)505 511 6 1.2%
Incl. MemUse (bytes)4,141,912 4,141,912 0 0.0%
Incl. MemUse (bytes) per call 16,634 16,634 0 0.0%
Excl. MemUse (bytes)-1,192 -1,192 0 0.0%
Incl. PeakMemUse (bytes)3,894,896 3,894,896 0 0.0%
Incl. PeakMemUse (bytes) per call 15,642 15,642 0 0.0%
Excl. PeakMemUse (bytes)8,776 8,776 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% -76 -53.5% -63 -17.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 3.9% 6 9.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% -82 -107.9% -81 -128.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 45 59.2% 62 98.4% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -33 -43.4% -34 -54.0% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% 22 28.9% 23 36.5% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% -21 -27.6% -19 -30.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -6 -7.9% -5 -7.9% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -2 -2.6% -1 -1.6% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 N/A% 1 1.3% 2 3.2% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% -1 -1.6% 0 N/A% 0 N/A%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% -2 -3.2% 0 N/A% 0 N/A%
Drupal\Core\ImageToolkit\ImageToolkitManager::getDefaultToolkitId0 N/A% 0 0.0% -2 -3.2% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -2 -3.2% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% -1 -1.6% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% -2 -3.2% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -79 -103.9% -69 -109.5% 0 N/A% 0 N/A%