Diff Report
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #53923d861ff11Run #53923e49d2b58DiffDiff%
Number of Function Calls1,079 1,079 0 0.0%
Incl. Wall Time (microsec)14,408 14,498 90 0.6%
Incl. Wall Time (microsec) per call 13 13 0 0.6%
Excl. Wall Time (microsec)1,869 1,840 -29 -1.6%
Incl. CPU (microsecs)15,532 15,681 149 1.0%
Incl. CPU (microsecs) per call 14 15 0 1.0%
Excl. CPU (microsec)2,925 2,948 23 0.8%
Incl. MemUse (bytes)1,698,504 1,698,452 -52 -0.0%
Incl. MemUse (bytes) per call 1,574 1,574 -0 -0.0%
Excl. MemUse (bytes)-10,844 -10,840 4 0.0%
Incl. PeakMemUse (bytes)1,373,988 1,361,448 -12,540 -0.9%
Incl. PeakMemUse (bytes) per call 1,273 1,262 -12 -0.9%
Excl. PeakMemUse (bytes)8,188 8,188 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% 90 5.7% 149 13.6% -52 -6.0% -12,540 -1801.7%
Exclusive Metrics Diff for Current Function-29 -32.2% 23 15.4% 4 7.7% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 26 28.9% 11 7.4% -28 -53.8% -11,812 -94.2%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 2 2.2% 1 0.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::extend0 N/A% 75 83.3% 74 49.7% 0 0.0% 0 0.0%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% 5 5.6% 6 4.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 1 0.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 27 30.0% 97 65.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% -65 -72.2% -70 -47.0% -24 -46.2% -728 -5.8%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 8 8.9% 19 12.8% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% 13 14.4% 12 8.1% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% -2 -2.2% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% 1 1.1% -2 -1.3% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 119 132.2% 126 84.6% -56 -107.7% -12,540 -100.0%