Diff Report
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf19d00e96: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #53ccf06f3ae60Run #53ccf19d00e96DiffDiff%
Number of Function Calls376 376 0 0.0%
Incl. Wall Time (microsec)31,017 30,719 -298 -1.0%
Incl. Wall Time (microsec) per call 82 82 -1 -1.0%
Excl. Wall Time (microsec)549 541 -8 -1.5%
Incl. CPU (microsecs)31,271 30,908 -363 -1.2%
Incl. CPU (microsecs) per call 83 82 -1 -1.2%
Excl. CPU (microsec)770 691 -79 -10.3%
Incl. MemUse (bytes)4,855,088 4,855,088 0 0.0%
Incl. MemUse (bytes) per call 12,912 12,912 0 0.0%
Excl. MemUse (bytes)6,512 6,512 0 0.0%
Incl. PeakMemUse (bytes)3,905,072 3,905,072 0 0.0%
Incl. PeakMemUse (bytes) per call 10,386 10,386 0 0.0%
Excl. PeakMemUse (bytes)6,648 6,648 0 0.0%

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% -298 -22.7% -363 -35.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -2.7% -79 -21.8% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -326 -109.4% -334 -92.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% 59 19.8% 59 16.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% -43 -14.4% -43 -11.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 42 14.1% 43 11.8% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% -38 -12.8% -90 -24.8% 0 N/A% 0 N/A%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% 11 3.7% 7 1.9% 0 N/A% 0 N/A%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% -3 -1.0% 1 0.3% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% -5 -1.4% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -1 -0.3% 0 N/A% 0 N/A%
Child function
Composer\Autoload\ClassLoader::loadClass0 N/A% -290 -97.3% -284 -78.2% 0 N/A% 0 N/A%