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

class_existsRun #519e633ddef65Run #519e62c02d767DiffDiff%
Number of Function Calls273 273 0 0.0%
Incl. Wall Time (microsec)17,902 18,004 102 0.6%
Incl. Wall Time (microsec) per call 66 66 0 0.6%
Excl. Wall Time (microsec)896 887 -9 -1.0%
Incl. CPU (microsecs)18,142 18,262 120 0.7%
Incl. CPU (microsecs) per call 66 67 0 0.7%
Excl. CPU (microsec)980 988 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 Function-9 -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%