Diff Report
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #52e4374042aceRun #52e436ce9c71dDiffDiff%
Number of Function Calls224 223 -1 -0.4%
Incl. Wall Time (microsec)5,957 6,020 63 1.1%
Incl. Wall Time (microsec) per call 27 27 0 1.5%
Excl. Wall Time (microsec)407 412 5 1.2%
Incl. CPU (microsecs)6,110 6,193 83 1.4%
Incl. CPU (microsecs) per call 27 28 0 1.8%
Excl. CPU (microsec)510 535 25 4.9%
Incl. MemUse (bytes)2,256,960 2,261,024 4,064 0.2%
Incl. MemUse (bytes) per call 10,076 10,139 63 0.6%
Excl. MemUse (bytes)-10,024 -10,024 0 0.0%
Incl. PeakMemUse (bytes)1,761,592 1,766,192 4,600 0.3%
Incl. PeakMemUse (bytes) per call 7,864 7,920 56 0.7%
Excl. PeakMemUse (bytes)12,976 12,912 -64 -0.5%

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% 63 5.4% 83 8.2% 4,064 5.0% 4,600 5.7%
Exclusive Metrics Diff for Current Function5 7.9% 25 30.1% 0 0.0% -64 -1.4%
Parent functions
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% 53 84.1% 59 71.1% -784 -19.3% -688 -15.0%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% 40 63.5% 43 51.8% 4,800 118.1% 4,768 103.7%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -26 -41.3% -26 -31.3% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -22 -34.9% -14 -16.9% 32 0.8% 296 6.4%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 17 27.0% 17 20.5% 16 0.4% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 4 6.3% 4 4.8% 0 0.0% 224 4.9%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% -2 -3.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% -1 -1.6% -1 -1.2% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% 0 0.0% -3 -3.6% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 2 2.4% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 2 2.4% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 58 92.1% 58 69.9% 4,064 100.0% 4,664 101.4%