Diff Report
Run #51f5bb45dd257: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51f5bb45dd257Run #51f5bb078e5a7DiffDiff%
Number of Function Calls133 133 0 0.0%
Incl. Wall Time (microsec)12,081 12,013 -68 -0.6%
Incl. Wall Time (microsec) per call 91 90 -1 -0.6%
Excl. Wall Time (microsec)554 555 1 0.2%
Incl. CPU (microsecs)12,222 12,148 -74 -0.6%
Incl. CPU (microsecs) per call 92 91 -1 -0.6%
Excl. CPU (microsec)590 582 -8 -1.4%
Incl. MemUse (bytes)1,912,344 1,912,344 0 0.0%
Incl. MemUse (bytes) per call 14,379 14,379 0 0.0%
Excl. MemUse (bytes)-11,424 -11,424 0 0.0%
Incl. PeakMemUse (bytes)1,494,368 1,494,368 0 0.0%
Incl. PeakMemUse (bytes) per call 11,236 11,236 0 0.0%
Excl. PeakMemUse (bytes)8,680 8,680 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% -68 -9.0% -74 -63.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 1.5% -8 -10.8% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% -137 -201.5% -131 -177.0% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 39 57.4% 21 28.4% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 30 44.1% 32 43.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 18 26.5% 18 24.3% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% -17 -25.0% -17 -23.0% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% -1 -1.5% -1 -1.4% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::classExists0 N/A% 0 0.0% 3 4.1% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 2 2.7% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 0 0.0% -1 -1.4% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 0 0.0% 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 functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -98 -144.1% -94 -127.0% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 29 42.6% 28 37.8% 0 N/A% 0 N/A%