Diff Report
Run #519ffa6332b29: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ffa0e6cdec: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519ffa6332b29Run #519ffa0e6cdecDiffDiff%
Number of Function Calls54 52 -2 -3.7%
Incl. Wall Time (microsec)2,479 2,390 -89 -3.6%
Incl. Wall Time (microsec) per call 46 46 0 0.1%
Excl. Wall Time (microsec)188 171 -17 -9.0%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)578,264 578,280 16 0.0%
Incl. MemUse (bytes) per call 10,709 11,121 412 3.8%
Excl. MemUse (bytes)-2,120 -2,136 -16 -0.8%
Incl. PeakMemUse (bytes)465,904 465,920 16 0.0%
Incl. PeakMemUse (bytes) per call 8,628 8,960 332 3.8%
Excl. PeakMemUse (bytes)8,584 8,584 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-2 -100.0% -89 -4.3% 0 0.0% 16 0.0% 16 0.0%
Exclusive Metrics Diff for Current Function-17 -19.1% 0 N/A% -16 -100.0% 0 0.0%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -102 -114.6% 0 N/A% 16 100.0% 16 100.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 14 15.7% 0 N/A% 8 50.0% 8 50.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 5 5.6% 0 N/A% -8 -50.0% -8 -50.0%
Drupal\Core\Database\Query\Select::extend0 0.0% -3 -3.4% 0 N/A% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-2 -100.0% -2 -2.2% 0 N/A% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -1 -1.1% 0 N/A% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -69 -77.5% 0 N/A% 32 200.0% 16 100.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -3 -3.4% 0 N/A% 0 0.0% 0 0.0%