Diff Report
Run #541de5cbd937a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #541de429e5ab1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #541de5cbd937aRun #541de429e5ab1DiffDiff%
Number of Function Calls1,121 1,121 0 0.0%
Incl. Wall Time (microsec)73,968 74,690 722 1.0%
Incl. Wall Time (microsec) per call 66 67 1 1.0%
Excl. Wall Time (microsec)1,978 2,015 37 1.9%
Incl. CPU (microsecs)75,059 75,760 701 0.9%
Incl. CPU (microsecs) per call 67 68 1 0.9%
Excl. CPU (microsec)2,942 2,967 25 0.8%
Incl. MemUse (bytes)11,769,376 11,769,624 248 0.0%
Incl. MemUse (bytes) per call 10,499 10,499 0 0.0%
Excl. MemUse (bytes)2,952 2,952 0 0.0%
Incl. PeakMemUse (bytes)10,636,536 10,633,360 -3,176 -0.0%
Incl. PeakMemUse (bytes) per call 9,488 9,486 -3 -0.0%
Excl. PeakMemUse (bytes)16,872 16,856 -16 -0.1%

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% 722 7.9% 701 8.5% 248 0.2% -3,176 -2.6%
Exclusive Metrics Diff for Current Function37 5.1% 25 3.6% 0 0.0% -16 -0.5%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 687 95.2% 675 96.3% -48 -19.4% 304 9.6%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% -140 -19.4% -139 -19.8% 72 29.0% -3,344 -105.3%
Drupal\Core\Entity\EntityType::hasHandlerClass0 N/A% 103 14.3% 97 13.8% 72 29.0% -72 -2.3%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 60 8.3% 59 8.4% 32 12.9% -40 -1.3%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 25 3.5% 19 2.7% 0 0.0% -8 -0.3%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -11 -1.5% -11 -1.6% 80 32.3% -16 -0.5%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% -4 -0.6% -3 -0.4% 40 16.1% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 2 0.3% 3 0.4% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 1 0.1% 0 0.0% 0 0.0%
Child function
Composer\Autoload\ClassLoader::loadClass0 N/A% 685 94.9% 676 96.4% 248 100.0% -3,160 -99.5%