Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62cef49a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #52f2e60305388Run #52f2e62cef49aDiffDiff%
Number of Function Calls221 222 1 0.5%
Incl. Wall Time (microsec)9,980 9,185 -795 -8.0%
Incl. Wall Time (microsec) per call 45 41 -4 -8.4%
Excl. Wall Time (microsec)550 533 -17 -3.1%
Incl. CPU (microsecs)10,179 9,372 -807 -7.9%
Incl. CPU (microsecs) per call 46 42 -4 -8.3%
Excl. CPU (microsec)681 659 -22 -3.2%
Incl. MemUse (bytes)3,132,816 3,132,840 24 0.0%
Incl. MemUse (bytes) per call 14,176 14,112 -64 -0.4%
Excl. MemUse (bytes)-14,376 -14,376 0 0.0%
Incl. PeakMemUse (bytes)2,255,664 2,255,800 136 0.0%
Incl. PeakMemUse (bytes) per call 10,207 10,161 -45 -0.4%
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_exists1 100.0% -795 -34.8% -807 -39.3% 24 0.0% 136 0.2%
Exclusive Metrics Diff for Current Function-17 -2.1% -22 -2.7% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% -328 -41.3% -334 -41.4% -24 -100.0% 24 17.6%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% -243 -30.6% -247 -30.6% 0 0.0% 160 117.6%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -209 -26.3% -220 -27.3% 48 200.0% -88 -64.7%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -107 -13.5% -106 -13.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 100 12.6% 100 12.4% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% -7 -0.9% -6 -0.7% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% -5 -0.6% -4 -0.5% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 4 0.5% 5 0.6% 0 0.0% 40 29.4%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 1 0.1% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 1 0.1% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 0 0.0% 2 0.2% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 0.1% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -778 -97.9% -785 -97.3% 24 100.0% 136 100.0%