Diff Report
Run #52f5cbc19a0d8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #52f5cbc19a0d8Run #52f5cb0964fa0DiffDiff%
Number of Function Calls192 191 -1 -0.5%
Incl. Wall Time (microsec)19,067 19,150 83 0.4%
Incl. Wall Time (microsec) per call 99 100 1 1.0%
Excl. Wall Time (microsec)384 383 -1 -0.3%
Incl. CPU (microsecs)19,201 19,296 95 0.5%
Incl. CPU (microsecs) per call 100 101 1 1.0%
Excl. CPU (microsec)467 482 15 3.2%
Incl. MemUse (bytes)4,334,608 4,334,880 272 0.0%
Incl. MemUse (bytes) per call 22,576 22,696 120 0.5%
Excl. MemUse (bytes)-8,080 -8,080 0 0.0%
Incl. PeakMemUse (bytes)4,061,568 4,125,760 64,192 1.6%
Incl. PeakMemUse (bytes) per call 21,154 21,601 447 2.1%
Excl. PeakMemUse (bytes)13,280 13,736 456 3.4%

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_exists-1 -100.0% 83 89.2% 95 48.7% 272 0.9% 64,192 215.8%
Exclusive Metrics Diff for Current Function-1 -1.2% 15 15.8% 0 0.0% 456 0.7%
Parent functions
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% 67 80.7% 68 71.6% 80 29.4% 13,048 20.3%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 25 30.1% 25 26.3% 8 2.9% 512 0.8%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -19 -22.9% -19 -20.0% 16 5.9% 53,872 83.9%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 10 12.0% 11 11.6% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% 2 2.4% 8 8.4% 152 55.9% -3,064 -4.8%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 1 1.2% 1 1.1% 0 0.0% -24 -0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% -1 -1.2% -1 -1.1% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -1.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% -1 -1.2% -1 -1.1% 16 5.9% -152 -0.2%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 2 2.1% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 2 2.1% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -1.1% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 84 101.2% 80 84.2% 272 100.0% 63,736 99.3%