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

class_existsRun #52f5cb0964fa0Run #52f5cbc19a0d8DiffDiff%
Number of Function Calls191 192 1 0.5%
Incl. Wall Time (microsec)19,150 19,067 -83 -0.4%
Incl. Wall Time (microsec) per call 100 99 -1 -1.0%
Excl. Wall Time (microsec)383 384 1 0.3%
Incl. CPU (microsecs)19,296 19,201 -95 -0.5%
Incl. CPU (microsecs) per call 101 100 -1 -1.0%
Excl. CPU (microsec)482 467 -15 -3.1%
Incl. MemUse (bytes)4,334,880 4,334,608 -272 -0.0%
Incl. MemUse (bytes) per call 22,696 22,576 -120 -0.5%
Excl. MemUse (bytes)-8,080 -8,080 0 0.0%
Incl. PeakMemUse (bytes)4,125,760 4,061,568 -64,192 -1.6%
Incl. PeakMemUse (bytes) per call 21,601 21,154 -447 -2.1%
Excl. PeakMemUse (bytes)13,736 13,280 -456 -3.3%

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_exists1 100.0% -83 -89.2% -95 -48.7% -272 -0.9% -64,192 -215.8%
Exclusive Metrics Diff for Current Function1 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\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 1.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 1 1.2% 1 1.1% 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%