Diff Report
Run #52c96bbf45f87: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96b69a1c07: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #52c96bbf45f87Run #52c96b69a1c07DiffDiff%
Number of Function Calls65 64 -1 -1.5%
Incl. Wall Time (microsec)2,221 2,244 23 1.0%
Incl. Wall Time (microsec) per call 34 35 1 2.6%
Excl. Wall Time (microsec)150 150 0 0.0%
Incl. CPU (microsecs)2,267 2,287 20 0.9%
Incl. CPU (microsecs) per call 35 36 1 2.5%
Excl. CPU (microsec)171 165 -6 -3.5%
Incl. MemUse (bytes)804,208 804,192 -16 -0.0%
Incl. MemUse (bytes) per call 12,372 12,566 193 1.6%
Excl. MemUse (bytes)-120 -120 0 0.0%
Incl. PeakMemUse (bytes)639,240 626,840 -12,400 -1.9%
Incl. PeakMemUse (bytes) per call 9,834 9,794 -40 -0.4%
Excl. PeakMemUse (bytes)8,896 8,696 -200 -2.2%

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_exists-1 -100.0% 23 4.1% 20 3.6% -16 -0.0% -12,400 -24.8%
Exclusive Metrics Diff for Current Function0 0.0% -6 -30.0% 0 0.0% -200 -1.6%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 23 100.0% 19 95.0% -8 -50.0% -56 -0.5%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -2 -8.7% -3 -15.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 2 8.7% 6 30.0% -8 -50.0% -11,952 -96.4%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -4.3% -3 -15.0% 0 0.0% 88 0.7%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 1 4.3% 1 5.0% 0 0.0% -464 -3.7%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 0 0.0% 1 5.0% 0 0.0% -16 -0.1%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 0 0.0% -1 -5.0% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -5.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 0 0.0% 1 5.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% -1 -5.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 5.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 23 100.0% 26 130.0% -16 -100.0% -12,200 -98.4%