Diff Report
Run #51ec489b18752: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #51ec489b18752Run #51ec485525502DiffDiff%
Number of Function Calls163 163 0 0.0%
Incl. Wall Time (microsec)6,781 6,880 99 1.5%
Incl. Wall Time (microsec) per call 42 42 1 1.5%
Excl. Wall Time (microsec)446 459 13 2.9%
Incl. CPU (microsecs)6,943 7,031 88 1.3%
Incl. CPU (microsecs) per call 43 43 1 1.3%
Excl. CPU (microsec)546 555 9 1.6%
Incl. MemUse (bytes)2,120,136 2,120,136 0 0.0%
Incl. MemUse (bytes) per call 13,007 13,007 0 0.0%
Excl. MemUse (bytes)-10,208 -10,208 0 0.0%
Incl. PeakMemUse (bytes)1,508,184 1,508,184 0 0.0%
Incl. PeakMemUse (bytes) per call 9,253 9,253 0 0.0%
Excl. PeakMemUse (bytes)8,208 8,208 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% 99 9.7% 88 22.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function13 13.1% 9 10.2% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 42 42.4% 43 48.9% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 38 38.4% 40 45.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 31 31.3% 29 33.0% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -11 -11.1% -20 -22.7% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 1 1.0% 6 6.8% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% -1 -1.0% -2 -2.3% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% -1 -1.0% 1 1.1% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 1 1.1% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 2 2.3% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::classExists0 N/A% 0 0.0% -12 -13.6% 0 N/A% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 56 56.6% 51 58.0% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 30 30.3% 28 31.8% 0 N/A% 0 N/A%