Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for class_exists

class_existsRun #539205a48c548Run #539206aca7ae8DiffDiff%
Number of Function Calls393 397 4 1.0%
Incl. Wall Time (microsec)11,597 11,535 -62 -0.5%
Incl. Wall Time (microsec) per call 30 29 -0 -1.5%
Excl. Wall Time (microsec)917 914 -3 -0.3%
Incl. CPU (microsecs)12,032 11,961 -71 -0.6%
Incl. CPU (microsecs) per call 31 30 -0 -1.6%
Excl. CPU (microsec)1,300 1,291 -9 -0.7%
Incl. MemUse (bytes)1,568,352 1,568,408 56 0.0%
Incl. MemUse (bytes) per call 3,991 3,951 -40 -1.0%
Excl. MemUse (bytes)-7,936 -7,936 0 0.0%
Incl. PeakMemUse (bytes)1,303,600 1,306,388 2,788 0.2%
Incl. PeakMemUse (bytes) per call 3,317 3,291 -26 -0.8%
Excl. PeakMemUse (bytes)7,844 7,892 48 0.6%

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_exists4 100.0% -62 -1.3% -71 -1.9% 56 0.1% 2,788 2.9%
Exclusive Metrics Diff for Current Function-3 -4.8% -9 -12.7% 0 0.0% 48 1.7%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -63 -101.6% -66 -93.0% 72 128.6% -11,156 -400.1%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -43 -69.4% -42 -59.2% 8 14.3% 13,692 491.1%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 0.0% -2 -3.2% -3 -4.2% -28 -50.0% -24 -0.9%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -1.4% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% 34 54.8% 24 33.8% 0 0.0% 40 1.4%
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% 16 25.8% 10 14.1% 4 7.1% 236 8.5%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% -3 -4.8% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -18 -29.0% -17 -23.9% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate4 100.0% 18 29.0% 23 32.4% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% -1 -1.4% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% -1 -1.6% 2 2.8% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -59 -95.2% -62 -87.3% 56 100.0% 2,740 98.3%