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

class_existsRun #51ec3b81ad265Run #51ec3c1813b11DiffDiff%
Number of Function Calls72 72 0 0.0%
Incl. Wall Time (microsec)7,817 7,870 53 0.7%
Incl. Wall Time (microsec) per call 109 109 1 0.7%
Excl. Wall Time (microsec)261 257 -4 -1.5%
Incl. CPU (microsecs)7,885 7,987 102 1.3%
Incl. CPU (microsecs) per call 110 111 1 1.3%
Excl. CPU (microsec)295 281 -14 -4.7%
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)1,579,928 1,579,984 56 0.0%
Incl. PeakMemUse (bytes) per call 21,943 21,944 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 Function-4 -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%