Diff Report
Run #5394e33e8d847: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5394e21e9bd45: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #5394e33e8d847Run #5394e21e9bd45DiffDiff%
Number of Function Calls1,633 1,633 0 0.0%
Incl. Wall Time (microsec)78,886 79,849 963 1.2%
Incl. Wall Time (microsec) per call 48 49 1 1.2%
Excl. Wall Time (microsec)2,008 2,007 -1 -0.0%
Incl. CPU (microsecs)79,943 80,873 930 1.2%
Incl. CPU (microsecs) per call 49 50 1 1.2%
Excl. CPU (microsec)2,974 2,960 -14 -0.5%
Incl. MemUse (bytes)10,315,352 10,314,920 -432 -0.0%
Incl. MemUse (bytes) per call 6,317 6,317 -0 -0.0%
Excl. MemUse (bytes)9,136 9,136 0 0.0%
Incl. PeakMemUse (bytes)8,896,728 8,907,144 10,416 0.1%
Incl. PeakMemUse (bytes) per call 5,448 5,454 6 0.1%
Excl. PeakMemUse (bytes)10,784 10,928 144 1.3%

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_exists0 N/A% 963 221.9% 930 102.4% -432 -163.6% 10,416 1103.4%
Exclusive Metrics Diff for Current Function-1 -0.1% -14 -1.5% 0 0.0% 144 1.4%
Parent functions
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 592 61.5% 592 63.7% 80 18.5% 11,624 111.6%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 551 57.2% 545 58.6% -96 -22.2% -1,512 -14.5%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% -401 -41.6% -401 -43.1% -248 -57.4% -64 -0.6%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 191 19.8% 156 16.8% -304 -70.4% 0 0.0%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% 35 3.6% 34 3.7% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -5 -0.5% -5 -0.5% 64 14.8% 128 1.2%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 2 0.2% 8 0.9% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% -1 -0.1% -2 -0.2% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% -1 -0.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 0 0.0% 2 0.2% 72 16.7% 240 2.3%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 1 0.1% 0 0.0% 0 0.0%
Child function
spl_autoload_call0 N/A% 964 100.1% 944 101.5% -432 -100.0% 10,272 98.6%