Diff Report
Run #52f5c0b2e882a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c0f4ebbb2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #52f5c0b2e882aRun #52f5c0f4ebbb2DiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)13,490 13,405 -85 -0.6%
Incl. Wall Time (microsec) per call 153 152 -1 -0.6%
Excl. Wall Time (microsec)212 215 3 1.4%
Incl. CPU (microsecs)13,515 13,425 -90 -0.7%
Incl. CPU (microsecs) per call 154 153 -1 -0.7%
Excl. CPU (microsec)259 258 -1 -0.4%
Incl. MemUse (bytes)3,078,600 3,078,600 0 0.0%
Incl. MemUse (bytes) per call 34,984 34,984 0 0.0%
Excl. MemUse (bytes)-1,200 -1,200 0 0.0%
Incl. PeakMemUse (bytes)2,915,216 2,915,216 0 0.0%
Incl. PeakMemUse (bytes) per call 33,127 33,127 0 0.0%
Excl. PeakMemUse (bytes)10,000 10,000 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_exists0 N/A% -85 -15.8% -90 -16.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 3.5% -1 -1.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% -81 -95.3% -87 -96.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -25 -29.4% -25 -27.8% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 24 28.2% 20 22.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% -4 -4.7% -3 -3.3% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% 2 2.4% 2 2.2% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 N/A% -1 -1.2% -2 -2.2% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% -1 -1.2% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% 1 1.2% 6 6.7% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% -1 -1.1% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -88 -103.5% -89 -98.9% 0 N/A% 0 N/A%