Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4d6ecb28c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519d4cd4e396dRun #519d4d6ecb28cDiffDiff%
Number of Function Calls269 269 0 0.0%
Incl. Wall Time (microsec)43,416 43,181 -235 -0.5%
Incl. Wall Time (microsec) per call 161 161 -1 -0.5%
Excl. Wall Time (microsec)1,134 1,125 -9 -0.8%
Incl. CPU (microsecs)43,675 43,456 -219 -0.5%
Incl. CPU (microsecs) per call 162 162 -1 -0.5%
Excl. CPU (microsec)1,265 1,266 1 0.1%
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)893,912 893,912 0 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% -235 -31.1% -219 -69.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-9 -3.8% 1 0.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% -320 -136.2% -312 -142.5% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 158 67.2% 156 71.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -53 -22.6% -52 -23.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -12 -5.1% -10 -4.6% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% -6 -2.6% -7 -3.2% 0 N/A% 0 N/A%
file_stream_wrapper_valid_scheme0 N/A% -1 -0.4% 3 1.4% 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\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 2 0.9% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::classExists0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -226 -96.2% -220 -100.5% 0 N/A% 0 N/A%