Diff Report
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbd76c2eed: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51fdbca2b5409Run #51fdbd76c2eedDiffDiff%
Number of Function Calls62 62 0 0.0%
Incl. Wall Time (microsec)8,924 8,937 13 0.1%
Incl. Wall Time (microsec) per call 144 144 0 0.1%
Excl. Wall Time (microsec)264 265 1 0.4%
Incl. CPU (microsecs)8,996 9,013 17 0.2%
Incl. CPU (microsecs) per call 145 145 0 0.2%
Excl. CPU (microsec)292 296 4 1.4%
Incl. MemUse (bytes)1,488,328 1,488,328 0 0.0%
Incl. MemUse (bytes) per call 24,005 24,005 0 0.0%
Excl. MemUse (bytes)-4,688 -4,688 0 0.0%
Incl. PeakMemUse (bytes)1,344,712 1,344,712 0 0.0%
Incl. PeakMemUse (bytes) per call 21,689 21,689 0 0.0%
Excl. PeakMemUse (bytes)8,528 8,528 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% 13 2.0% 17 1.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 7.7% 4 23.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 39 300.0% 41 241.2% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -38 -292.3% -37 -217.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 9 69.2% 10 58.8% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 1 7.7% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 1 7.7% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::extend0 N/A% 1 7.7% 1 5.9% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 1 5.9% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::classExists0 N/A% 0 0.0% 1 5.9% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 2 11.8% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 0 0.0% -1 -5.9% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% -1 -5.9% 0 N/A% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 11 84.6% 12 70.6% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 1 7.7% 1 5.9% 0 N/A% 0 N/A%