Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls186 188 2 1.1%
Incl. Wall Time (microsec)36,859 36,685 -174 -0.5%
Incl. Wall Time (microsec) per call 198 195 -3 -1.5%
Excl. Wall Time (microsec)836 831 -5 -0.6%
Incl. CPU (microsecs)37,058 36,896 -162 -0.4%
Incl. CPU (microsecs) per call 199 196 -3 -1.5%
Excl. CPU (microsec)925 940 15 1.6%
Incl. MemUse (bytes)1,220,132 1,220,124 -8 -0.0%
Incl. MemUse (bytes) per call 6,560 6,490 -70 -1.1%
Excl. MemUse (bytes)-7,940 -7,940 0 0.0%
Incl. PeakMemUse (bytes)832,960 832,924 -36 -0.0%
Incl. PeakMemUse (bytes) per call 4,478 4,430 -48 -1.1%
Excl. PeakMemUse (bytes)4,140 4,140 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_exists2 100.0% -174 -0.3% -162 -0.3% -8 -0.0% -36 -0.0%
Exclusive Metrics Diff for Current Function-5 -2.9% 15 9.3% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::getDriverClass0 0.0% -171 -98.3% -170 -104.9% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -35 -20.1% -36 -22.2% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 24 13.8% 27 16.7% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 18 10.3% 27 16.7% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -15 -8.6% -8 -4.9% -8 -100.0% -36 -100.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate2 100.0% 4 2.3% 10 6.2% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 2 1.1% -7 -4.3% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::classExists0 0.0% -2 -1.1% -3 -1.9% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 1 0.6% -3 -1.9% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 1 0.6% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -169 -97.1% -177 -109.3% -8 -100.0% -36 -100.0%