Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec6582d0962: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #51ec623000e0cRun #51ec6582d0962DiffDiff%
Number of Function Calls772 772 0 0.0%
Incl. Wall Time (microsec)23,009 23,237 228 1.0%
Incl. Wall Time (microsec) per call 30 30 0 1.0%
Excl. Wall Time (microsec)1,575 1,575 0 0.0%
Incl. CPU (microsecs)23,673 23,884 211 0.9%
Incl. CPU (microsecs) per call 31 31 0 0.9%
Excl. CPU (microsec)2,056 2,037 -19 -0.9%
Incl. MemUse (bytes)2,195,992 2,195,992 0 0.0%
Incl. MemUse (bytes) per call 2,845 2,845 0 0.0%
Excl. MemUse (bytes)-16,872 -16,872 0 0.0%
Incl. PeakMemUse (bytes)1,522,152 1,522,152 0 0.0%
Incl. PeakMemUse (bytes) per call 1,972 1,972 0 0.0%
Excl. PeakMemUse (bytes)8,472 8,472 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% 228 8.9% 211 17.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -19 -9.0% 0 N/A% 0 N/A%
Parent functions
Doctrine\Common\Annotations\DocParser::classExists0 N/A% -11 -4.8% -25 -11.8% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 106 46.5% 99 46.9% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 62 27.2% 60 28.4% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 1 0.4% 1 0.5% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 66 28.9% 66 31.3% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 2 0.9% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 8 3.5% 12 5.7% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 2 0.9% 4 1.9% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 1 0.5% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% -10 -4.7% 0 N/A% 0 N/A%
file_stream_wrapper_valid_scheme0 N/A% -6 -2.6% 0 0.0% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 1 0.5% 0 N/A% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 127 55.7% 134 63.5% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 101 44.3% 96 45.5% 0 N/A% 0 N/A%