Diff Report
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49b394aea8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #52e49acfb0eb8Run #52e49b394aea8DiffDiff%
Number of Function Calls111 112 1 0.9%
Incl. Wall Time (microsec)5,393 4,950 -443 -8.2%
Incl. Wall Time (microsec) per call 49 44 -4 -9.0%
Excl. Wall Time (microsec)245 243 -2 -0.8%
Incl. CPU (microsecs)5,484 5,052 -432 -7.9%
Incl. CPU (microsecs) per call 49 45 -4 -8.7%
Excl. CPU (microsec)320 313 -7 -2.2%
Incl. MemUse (bytes)1,933,056 1,896,176 -36,880 -1.9%
Incl. MemUse (bytes) per call 17,415 16,930 -485 -2.8%
Excl. MemUse (bytes)-4,104 -4,112 -8 -0.2%
Incl. PeakMemUse (bytes)1,613,712 1,551,192 -62,520 -3.9%
Incl. PeakMemUse (bytes) per call 14,538 13,850 -688 -4.7%
Excl. PeakMemUse (bytes)10,640 10,984 344 3.2%

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% -443 -39.9% -432 -53.0% -36,880 -142.6% -62,520 -236.7%
Exclusive Metrics Diff for Current Function-2 -0.5% -7 -1.6% -8 -0.0% 344 0.6%
Parent functions
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% -323 -72.9% -313 -72.5% -32,752 -88.8% -61,504 -98.4%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -111 -25.1% -110 -25.5% -4,128 -11.2% -4,216 -6.7%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -16 -3.6% -15 -3.5% 16 0.0% 72 0.1%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 3 0.7% 4 0.9% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 2 0.5% 1 0.2% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 0.2% 5 1.2% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% -1 -0.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% 1 0.2% -7 -1.6% -16 -0.0% 3,128 5.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 1 0.2% 1 0.2% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 1 0.2% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 0.2% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -441 -99.5% -425 -98.4% -36,872 -100.0% -62,864 -100.6%