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

class_existsRun #52f2e62cef49aRun #52f2e60305388DiffDiff%
Number of Function Calls222 221 -1 -0.5%
Incl. Wall Time (microsec)9,185 9,980 795 8.7%
Incl. Wall Time (microsec) per call 41 45 4 9.1%
Excl. Wall Time (microsec)533 550 17 3.2%
Incl. CPU (microsecs)9,372 10,179 807 8.6%
Incl. CPU (microsecs) per call 42 46 4 9.1%
Excl. CPU (microsec)659 681 22 3.3%
Incl. MemUse (bytes)3,132,840 3,132,816 -24 -0.0%
Incl. MemUse (bytes) per call 14,112 14,176 64 0.5%
Excl. MemUse (bytes)-14,376 -14,376 0 0.0%
Incl. PeakMemUse (bytes)2,255,800 2,255,664 -136 -0.0%
Incl. PeakMemUse (bytes) per call 10,161 10,207 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_exists-1 -100.0% 795 34.8% 807 39.3% -24 -0.0% -136 -0.2%
Exclusive Metrics Diff for Current Function17 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::loadTemplate-1 -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%