Diff Report
Run #52d4b1f732b14: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #52d4b1f732b14Run #52d4b18f32fb6DiffDiff%
Number of Function Calls54 55 1 1.9%
Incl. Wall Time (microsec)6,468 6,164 -304 -4.7%
Incl. Wall Time (microsec) per call 120 112 -8 -6.4%
Excl. Wall Time (microsec)151 153 2 1.3%
Incl. CPU (microsecs)6,521 6,218 -303 -4.6%
Incl. CPU (microsecs) per call 121 113 -8 -6.4%
Excl. CPU (microsec)173 179 6 3.5%
Incl. MemUse (bytes)938,040 905,320 -32,720 -3.5%
Incl. MemUse (bytes) per call 17,371 16,460 -911 -5.2%
Excl. MemUse (bytes)160 160 0 0.0%
Incl. PeakMemUse (bytes)805,048 777,368 -27,680 -3.4%
Incl. PeakMemUse (bytes) per call 14,908 14,134 -774 -5.2%
Excl. PeakMemUse (bytes)9,616 9,632 16 0.2%

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_exists1 100.0% -304 -16.7% -303 -16.5% -32,720 -37.3% -27,680 -32.6%
Exclusive Metrics Diff for Current Function2 0.7% 6 2.0% 0 0.0% 16 0.1%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -225 -74.0% -229 -75.6% -32,728 -100.0% -33,888 -122.4%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -30 -9.9% -30 -9.9% 0 0.0% -32 -0.1%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% -28 -9.2% -30 -9.9% 0 0.0% 4,704 17.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -22 -7.2% -20 -6.6% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -2 -0.7% 0 0.0% 8 0.0% 1,456 5.3%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 0.3% 5 1.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::extend0 0.0% 1 0.3% 3 1.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 1 0.3% 2 0.7% 0 0.0% 80 0.3%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 0 0.0% -1 -0.3% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -2 -0.7% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% -1 -0.3% 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
Composer\Autoload\ClassLoader::loadClass0 N/A% -306 -100.7% -309 -102.0% -32,720 -100.0% -27,696 -100.1%