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

class_existsRun #519ffa0e6cdecRun #519ffa6332b29DiffDiff%
Number of Function Calls52 54 2 3.8%
Incl. Wall Time (microsec)2,390 2,479 89 3.7%
Incl. Wall Time (microsec) per call 46 46 -0 -0.1%
Excl. Wall Time (microsec)171 188 17 9.9%
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)578,280 578,264 -16 -0.0%
Incl. MemUse (bytes) per call 11,121 10,709 -412 -3.7%
Excl. MemUse (bytes)-2,136 -2,120 16 0.7%
Incl. PeakMemUse (bytes)465,920 465,904 -16 -0.0%
Incl. PeakMemUse (bytes) per call 8,960 8,628 -332 -3.7%
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_exists2 100.0% 89 4.3% 0 0.0% -16 -0.0% -16 -0.0%
Exclusive Metrics Diff for Current Function17 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::loadTemplate2 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%