Diff Report
Run #52e6fcee66138: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e6fc5cc809e: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #52e6fcee66138Run #52e6fc5cc809eDiffDiff%
Number of Function Calls163 162 -1 -0.6%
Incl. Wall Time (microsec)29,934 30,717 783 2.6%
Incl. Wall Time (microsec) per call 184 190 6 3.2%
Excl. Wall Time (microsec)334 346 12 3.6%
Incl. CPU (microsecs)30,065 30,871 806 2.7%
Incl. CPU (microsecs) per call 184 191 6 3.3%
Excl. CPU (microsec)423 451 28 6.6%
Incl. MemUse (bytes)3,964,600 3,964,552 -48 -0.0%
Incl. MemUse (bytes) per call 24,323 24,473 150 0.6%
Excl. MemUse (bytes)9,936 9,936 0 0.0%
Incl. PeakMemUse (bytes)3,787,712 3,787,088 -624 -0.0%
Incl. PeakMemUse (bytes) per call 23,237 23,377 140 0.6%
Excl. PeakMemUse (bytes)8,672 8,680 8 0.1%

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% 783 30.6% 806 30.8% -48 -0.1% -624 -0.7%
Exclusive Metrics Diff for Current Function12 1.5% 28 3.5% 0 0.0% 8 1.3%
Parent functions
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% 387 49.4% 394 48.9% -72 -150.0% -176 -28.2%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% 106 13.5% 108 13.4% -96 -200.0% -624 -100.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 91 11.6% 98 12.2% -16 -33.3% 200 32.1%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 83 10.6% 84 10.4% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 72 9.2% 74 9.2% 96 200.0% 200 32.1%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 32 4.1% 32 4.0% -24 -50.0% 104 16.7%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 12 1.5% 11 1.4% 64 133.3% -328 -52.6%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -0.1% 4 0.5% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 1 0.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 0 0.0% 2 0.2% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -0.1% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
spl_autoload_call0 N/A% 771 98.5% 778 96.5% -48 -100.0% -632 -101.3%