Diff Report
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53513a6d2163d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #535139ab6e707Run #53513a6d2163dDiffDiff%
Number of Function Calls2,779 2,779 0 0.0%
Incl. Wall Time (microsec)32,530 32,419 -111 -0.3%
Incl. Wall Time (microsec) per call 12 12 -0 -0.3%
Excl. Wall Time (microsec)2,569 2,557 -12 -0.5%
Incl. CPU (microsecs)34,374 34,089 -285 -0.8%
Incl. CPU (microsecs) per call 12 12 -0 -0.8%
Excl. CPU (microsec)4,353 4,161 -192 -4.4%
Incl. MemUse (bytes)6,311,624 6,311,624 0 0.0%
Incl. MemUse (bytes) per call 2,271 2,271 0 0.0%
Excl. MemUse (bytes)-11,720 -11,720 0 0.0%
Incl. PeakMemUse (bytes)4,904,920 4,904,920 0 0.0%
Incl. PeakMemUse (bytes) per call 1,765 1,765 0 0.0%
Excl. PeakMemUse (bytes)7,944 7,944 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% -111 -4.2% -285 -10.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-12 -10.8% -192 -67.4% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -292 -263.1% -301 -105.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% 176 158.6% 134 47.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% -35 -31.5% -159 -55.8% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 34 30.6% 35 12.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 7 6.3% 6 2.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::extend0 N/A% 1 0.9% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 N/A% -1 -0.9% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% -1 -0.9% 1 0.4% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 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 -0.7% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 2 0.7% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% -1 -0.4% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -99 -89.2% -93 -32.6% 0 N/A% 0 N/A%