Diff Report
Run #52d4b60c154f6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b590e6e18: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #52d4b60c154f6Run #52d4b590e6e18DiffDiff%
Number of Function Calls45 47 2 4.4%
Incl. Wall Time (microsec)5,955 6,156 201 3.4%
Incl. Wall Time (microsec) per call 132 131 -1 -1.0%
Excl. Wall Time (microsec)129 128 -1 -0.8%
Incl. CPU (microsecs)5,985 6,205 220 3.7%
Incl. CPU (microsecs) per call 133 132 -1 -0.7%
Excl. CPU (microsec)131 155 24 18.3%
Incl. MemUse (bytes)929,968 929,944 -24 -0.0%
Incl. MemUse (bytes) per call 20,666 19,786 -880 -4.3%
Excl. MemUse (bytes)616 616 0 0.0%
Incl. PeakMemUse (bytes)788,024 809,008 20,984 2.7%
Incl. PeakMemUse (bytes) per call 17,512 17,213 -299 -1.7%
Excl. PeakMemUse (bytes)8,184 8,304 120 1.5%

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% 201 7.5% 220 9.5% -24 -0.0% 20,984 17.7%
Exclusive Metrics Diff for Current Function-1 -0.5% 24 10.9% 0 0.0% 120 0.6%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 147 73.1% 145 65.9% 8 33.3% 21,000 100.1%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 31 15.4% 38 17.3% -32 -133.3% -104 -0.5%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 21 10.4% 23 10.5% 0 0.0% 152 0.7%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 2 1.0% 2 0.9% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate2 100.0% 2 1.0% 10 4.5% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% -1 -0.5% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -1 -0.5% -1 -0.5% 0 0.0% -64 -0.3%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 0 0.0% 1 0.5% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 1 0.5% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 1 0.5% 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
Composer\Autoload\ClassLoader::loadClass0 N/A% 202 100.5% 196 89.1% -24 -100.0% 20,864 99.4%