Diff Report
Run #539fd2b68bc13: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd0a78f1b7: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #539fd2b68bc13Run #539fd0a78f1b7DiffDiff%
Number of Function Calls2,494 2,494 0 0.0%
Incl. Wall Time (microsec)97,714 101,538 3,824 3.9%
Incl. Wall Time (microsec) per call 39 41 2 3.9%
Excl. Wall Time (microsec)3,331 3,376 45 1.4%
Incl. CPU (microsecs)99,842 103,724 3,882 3.9%
Incl. CPU (microsecs) per call 40 42 2 3.9%
Excl. CPU (microsec)5,357 5,446 89 1.7%
Incl. MemUse (bytes)10,568,000 10,567,264 -736 -0.0%
Incl. MemUse (bytes) per call 4,237 4,237 -0 -0.0%
Excl. MemUse (bytes)9,920 9,920 0 0.0%
Incl. PeakMemUse (bytes)9,009,344 8,670,320 -339,024 -3.8%
Incl. PeakMemUse (bytes) per call 3,612 3,476 -136 -3.8%
Excl. PeakMemUse (bytes)11,736 11,984 248 2.1%

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% 3,824 9.3% 3,882 9.5% -736 -0.0% -339,024 -20.4%
Exclusive Metrics Diff for Current Function45 1.2% 89 2.3% 0 0.0% 248 0.1%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 1,471 38.5% 1,460 37.6% -96 -13.0% -183,688 -54.2%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 1,375 36.0% 1,430 36.8% -144 -19.6% 296 0.1%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% 709 18.5% 732 18.9% -384 -52.2% -156,024 -46.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 642 16.8% 637 16.4% -32 -4.3% 344 0.1%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% -468 -12.2% -461 -11.9% -64 -8.7% 96 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% 94 2.5% 93 2.4% -24 -3.3% -48 -0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% -3 -0.1% -6 -0.2% 0 0.0% 0 0.0%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% 3 0.1% 5 0.1% 8 1.1% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 N/A% 2 0.1% 6 0.2% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% -1 -0.0% -2 -0.1% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% -13 -0.3% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% 1 0.0% 0 0.0% 0 0.0%
Child function
spl_autoload_call0 N/A% 3,779 98.8% 3,793 97.7% -736 -100.0% -339,272 -100.1%