Diff Report
Run #54f283c5bb5f3: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54f28d53cc42b: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for class_exists

class_existsRun #54f283c5bb5f3Run #54f28d53cc42bDiffDiff%
Number of Function Calls830 831 1 0.1%
Incl. Wall Time (microsec)26,705 23,383 -3,322 -12.4%
Incl. Wall Time (microsec) per call 32 28 -4 -12.5%
Excl. Wall Time (microsec)1,494 1,380 -114 -7.6%
Incl. MemUse (bytes)3,432,472 3,370,032 -62,440 -1.8%
Incl. MemUse (bytes) per call 4,136 4,055 -80 -1.9%
Excl. MemUse (bytes)4,168 4,168 0 0.0%
Incl. PeakMemUse (bytes)2,464,168 2,432,848 -31,320 -1.3%
Incl. PeakMemUse (bytes) per call 2,969 2,928 -41 -1.4%
Excl. PeakMemUse (bytes)5,680 5,808 128 2.3%

Parent/Child Regression/Improvement report for class_exists [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
class_exists1 100.0% -3,322 -30.8% -62,440 -36.6% -31,320 -19.0%
Exclusive Metrics Diff for Current Function-114 -3.4% 0 0.0% 128 0.4%
Parent functions
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 2 0.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% -25 -0.8% 88 0.1% 31,792 101.5%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -1,236 -37.2% -61,896 -99.1% -61,256 -195.6%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -88 -2.6% -16 -0.0% -16 -0.1%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -1,146 -34.5% 128 0.2% -1,432 -4.6%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% -493 -14.8% -456 -0.7% -256 -0.8%
Drupal\Core\Entity\EntityType::hasHandlerClass0 0.0% -318 -9.6% -288 -0.5% -152 -0.5%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 0.0% -18 -0.5% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Composer\Autoload\ClassLoader::loadClass0 N/A% -3,208 -96.6% -62,440 -100.0% -31,448 -100.4%