Diff Report
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e633ddef65: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519e62c02d767Run #519e633ddef65DiffDiff%
Number of Function Calls273 273 0 0.0%
Incl. Wall Time (microsec)18,004 17,902 -102 -0.6%
Incl. Wall Time (microsec) per call 66 66 -0 -0.6%
Excl. Wall Time (microsec)887 896 9 1.0%
Incl. CPU (microsecs)18,262 18,142 -120 -0.7%
Incl. CPU (microsecs) per call 67 66 -0 -0.7%
Excl. CPU (microsec)988 980 -8 -0.8%
Incl. MemUse (bytes)1,942,296 1,942,296 0 0.0%
Incl. MemUse (bytes) per call 7,115 7,115 0 0.0%
Excl. MemUse (bytes)-14,568 -14,568 0 0.0%
Incl. PeakMemUse (bytes)1,118,488 1,118,488 0 0.0%
Incl. PeakMemUse (bytes) per call 4,097 4,097 0 0.0%
Excl. PeakMemUse (bytes)9,096 9,096 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% -102 -26.0% -120 -19.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function9 8.8% -8 -6.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -170 -166.7% -169 -140.8% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 116 113.7% 118 98.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -48 -47.1% -47 -39.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -2 -2.0% -2 -1.7% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 1 1.0% 0 0.0% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 1 1.0% -1 -0.8% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% -10 -8.3% 0 N/A% 0 N/A%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% -8 -6.7% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -1 -0.8% 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%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -199 -195.1% -202 -168.3% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 88 86.3% 90 75.0% 0 N/A% 0 N/A%