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

class_existsRun #52c96b69a1c07Run #52c96bbf45f87DiffDiff%
Number of Function Calls64 65 1 1.6%
Incl. Wall Time (microsec)2,244 2,221 -23 -1.0%
Incl. Wall Time (microsec) per call 35 34 -1 -2.5%
Excl. Wall Time (microsec)150 150 0 0.0%
Incl. CPU (microsecs)2,287 2,267 -20 -0.9%
Incl. CPU (microsecs) per call 36 35 -1 -2.4%
Excl. CPU (microsec)165 171 6 3.6%
Incl. MemUse (bytes)804,192 804,208 16 0.0%
Incl. MemUse (bytes) per call 12,566 12,372 -193 -1.5%
Excl. MemUse (bytes)-120 -120 0 0.0%
Incl. PeakMemUse (bytes)626,840 639,240 12,400 2.0%
Incl. PeakMemUse (bytes) per call 9,794 9,834 40 0.4%
Excl. PeakMemUse (bytes)8,696 8,896 200 2.3%

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% -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\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% -1 -4.3% -1 -5.0% 0 0.0% 464 3.7%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 4.3% 3 15.0% 0 0.0% -88 -0.7%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 0 0.0% 1 5.0% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 0 0.0% -1 -5.0% 0 0.0% 16 0.1%
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%