Diff Report
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #538e3ac0de109Run #538e3b37c1a66DiffDiff%
Number of Function Calls590 592 2 0.3%
Incl. Wall Time (microsec)35,098 35,168 70 0.2%
Incl. Wall Time (microsec) per call 59 59 -0 -0.1%
Excl. Wall Time (microsec)724 725 1 0.1%
Incl. CPU (microsecs)35,481 35,584 103 0.3%
Incl. CPU (microsecs) per call 60 60 -0 -0.0%
Excl. CPU (microsec)1,047 1,080 33 3.2%
Incl. MemUse (bytes)5,426,832 5,428,864 2,032 0.0%
Incl. MemUse (bytes) per call 9,198 9,170 -28 -0.3%
Excl. MemUse (bytes)-9,456 -9,464 -8 -0.1%
Incl. PeakMemUse (bytes)5,075,264 5,074,288 -976 -0.0%
Incl. PeakMemUse (bytes) per call 8,602 8,571 -31 -0.4%
Excl. PeakMemUse (bytes)8,240 8,240 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_exists2 100.0% 70 1.6% 103 2.8% 2,032 1.9% -976 -0.8%
Exclusive Metrics Diff for Current Function1 1.4% 33 32.0% -8 -0.4% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 105 150.0% 111 107.8% 2,016 99.2% -992 -101.6%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -24 -34.3% -23 -22.3% 48 2.4% -208 -21.3%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 0.0% 5 7.1% 7 6.8% 24 1.2% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% 20 28.6% 39 37.9% 120 5.9% 336 34.4%
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% 203 290.0% 209 202.9% -120 -5.9% -104 -10.7%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% -132 -188.6% -133 -129.1% 24 1.2% -24 -2.5%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -109 -155.7% -109 -105.8% -80 -3.9% 16 1.6%
Drupal\Core\Template\TwigEnvironment::loadTemplate2 100.0% 2 2.9% 4 3.9% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 1 1.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% -10 -9.7% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 0 0.0% 7 6.8% 0 0.0% 0 0.0%
Child function
Composer\Autoload\ClassLoader::loadClass0 N/A% 69 98.6% 70 68.0% 2,040 100.4% -976 -100.0%