Diff Report
Run #52c96d7c36f9e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96dcbc5e6a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #52c96d7c36f9eRun #52c96dcbc5e6aDiffDiff%
Number of Function Calls249 252 3 1.2%
Incl. Wall Time (microsec)4,464 4,448 -16 -0.4%
Incl. Wall Time (microsec) per call 18 18 -0 -1.5%
Excl. Wall Time (microsec)414 406 -8 -1.9%
Incl. CPU (microsecs)4,596 4,586 -10 -0.2%
Incl. CPU (microsecs) per call 18 18 -0 -1.4%
Excl. CPU (microsec)502 504 2 0.4%
Incl. MemUse (bytes)1,446,256 1,446,304 48 0.0%
Incl. MemUse (bytes) per call 5,808 5,739 -69 -1.2%
Excl. MemUse (bytes)-8,312 -8,312 0 0.0%
Incl. PeakMemUse (bytes)1,017,040 1,024,640 7,600 0.7%
Incl. PeakMemUse (bytes) per call 4,084 4,066 -18 -0.5%
Excl. PeakMemUse (bytes)10,040 10,104 64 0.6%

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_exists3 100.0% -16 -2.1% -10 -0.7% 48 0.0% 7,600 6.8%
Exclusive Metrics Diff for Current Function-8 -50.0% 2 20.0% 0 0.0% 64 0.8%
Parent functions
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 0 0.0% 1 10.0% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 40 250.0% 44 440.0% -8 -16.7% 7,552 99.4%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 1 6.2% 1 10.0% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% -1 -6.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -13 -81.2% -15 -150.0% 0 0.0% 8 0.1%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -23 -143.8% -19 -190.0% -16 -33.3% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% -19 -118.8% -19 -190.0% 72 150.0% 40 0.5%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -4 -25.0% -4 -40.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate3 100.0% 3 18.8% 2 20.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% -1 -10.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -8 -50.0% -12 -120.0% 48 100.0% 7,536 99.2%