Diff Report
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #51ec3c1813b11Run #51ec3b81ad265DiffDiff%
Number of Function Calls72 72 0 0.0%
Incl. Wall Time (microsec)7,870 7,817 -53 -0.7%
Incl. Wall Time (microsec) per call 109 109 -1 -0.7%
Excl. Wall Time (microsec)257 261 4 1.6%
Incl. CPU (microsecs)7,987 7,885 -102 -1.3%
Incl. CPU (microsecs) per call 111 110 -1 -1.3%
Excl. CPU (microsec)281 295 14 5.0%
Incl. MemUse (bytes)1,961,464 1,961,464 0 0.0%
Incl. MemUse (bytes) per call 27,243 27,243 0 0.0%
Excl. MemUse (bytes)-4,792 -4,792 0 0.0%
Incl. PeakMemUse (bytes)1,579,984 1,579,928 -56 -0.0%
Incl. PeakMemUse (bytes) per call 21,944 21,943 -1 -0.0%
Excl. PeakMemUse (bytes)8,512 8,512 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% -53 -2.2% -102 -13.5% 0 N/A% -56 N/A%
Exclusive Metrics Diff for Current Function4 7.5% 14 13.7% 0 N/A% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -120 -226.4% -165 -161.8% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 38 71.7% 35 34.3% 0 N/A% -56 -100.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 19 35.8% 18 17.6% 0 N/A% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 7 13.2% 6 5.9% 0 N/A% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 1 1.9% 2 2.0% 0 N/A% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 N/A% 1 1.9% -1 -1.0% 0 N/A% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 1 1.9% 0 0.0% 0 N/A% 0 0.0%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Doctrine\Common\Annotations\DocParser::classExists0 N/A% 0 0.0% 3 2.9% 0 N/A% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -58 -109.4% -116 -113.7% 0 N/A% -56 -100.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 1 1.9% 0 0.0% 0 N/A% 0 0.0%