Diff Report
Run #519d4dc9980f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519d4dc9980f7Run #519d4cd4e396dDiffDiff%
Number of Function Calls269 269 0 0.0%
Incl. Wall Time (microsec)43,526 43,416 -110 -0.3%
Incl. Wall Time (microsec) per call 162 161 -0 -0.3%
Excl. Wall Time (microsec)1,141 1,134 -7 -0.6%
Incl. CPU (microsecs)43,797 43,675 -122 -0.3%
Incl. CPU (microsecs) per call 163 162 -0 -0.3%
Excl. CPU (microsec)1,297 1,265 -32 -2.5%
Incl. MemUse (bytes)1,202,712 1,202,712 0 0.0%
Incl. MemUse (bytes) per call 4,471 4,471 0 0.0%
Excl. MemUse (bytes)-9,036 -9,036 0 0.0%
Incl. PeakMemUse (bytes)894,020 893,912 -108 -0.0%
Incl. PeakMemUse (bytes) per call 3,323 3,323 -0 -0.0%
Excl. PeakMemUse (bytes)4,996 4,996 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% -110 -0.7% -122 -0.8% 0 0.0% -108 -16.8%
Exclusive Metrics Diff for Current Function-7 -6.4% -32 -26.2% 0 N/A% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -262 -238.2% -264 -216.4% 0 N/A% -108 -100.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 113 102.7% 99 81.1% 0 N/A% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 76 69.1% 76 62.3% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -29 -26.4% -32 -26.2% 0 N/A% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% -10 -9.1% -1 -0.8% 0 N/A% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 1 0.9% -2 -1.6% 0 N/A% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 1 0.9% 1 0.8% 0 N/A% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% -1 -0.8% 0 N/A% 0 0.0%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 1 0.8% 0 N/A% 0 0.0%
Doctrine\Common\Annotations\DocParser::classExists0 N/A% 0 0.0% 2 1.6% 0 N/A% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% -1 -0.8% 0 N/A% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -103 -93.6% -90 -73.8% 0 N/A% -108 -100.0%