Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62091f2c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #52f2e60305388Run #52f2e62091f2cDiffDiff%
Number of Function Calls221 221 0 0.0%
Incl. Wall Time (microsec)9,980 9,227 -753 -7.5%
Incl. Wall Time (microsec) per call 45 42 -3 -7.5%
Excl. Wall Time (microsec)550 527 -23 -4.2%
Incl. CPU (microsecs)10,179 9,397 -782 -7.7%
Incl. CPU (microsecs) per call 46 43 -4 -7.7%
Excl. CPU (microsec)681 633 -48 -7.0%
Incl. MemUse (bytes)3,132,816 3,132,856 40 0.0%
Incl. MemUse (bytes) per call 14,176 14,176 0 0.0%
Excl. MemUse (bytes)-14,376 -14,376 0 0.0%
Incl. PeakMemUse (bytes)2,255,664 2,255,792 128 0.0%
Incl. PeakMemUse (bytes) per call 10,207 10,207 1 0.0%
Excl. PeakMemUse (bytes)11,192 11,192 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% -753 -53.7% -782 -28.4% 40 19.2% 128 17.8%
Exclusive Metrics Diff for Current Function-23 -3.1% -48 -6.1% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -379 -50.3% -383 -49.0% 32 80.0% -88 -68.8%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% -289 -38.4% -297 -38.0% -8 -20.0% 32 25.0%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% -256 -34.0% -264 -33.8% 16 40.0% 144 112.5%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 177 23.5% 176 22.5% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 13 1.7% 7 0.9% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 N/A% -11 -1.5% -10 -1.3% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% -5 -0.7% -3 -0.4% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -3 -0.4% -8 -1.0% 0 0.0% 40 31.2%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 1 0.1% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% -1 -0.1% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -730 -96.9% -734 -93.9% 40 100.0% 128 100.0%