Diff Report
Run #53920c043e98b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #53920c043e98bRun #53920b950c201DiffDiff%
Number of Function Calls224 223 -1 -0.4%
Incl. Wall Time (microsec)8,889 8,809 -80 -0.9%
Incl. Wall Time (microsec) per call 40 40 -0 -0.5%
Excl. Wall Time (microsec)556 545 -11 -2.0%
Incl. CPU (microsecs)9,142 9,061 -81 -0.9%
Incl. CPU (microsecs) per call 41 41 -0 -0.4%
Excl. CPU (microsec)760 758 -2 -0.3%
Incl. MemUse (bytes)1,348,004 1,348,012 8 0.0%
Incl. MemUse (bytes) per call 6,018 6,045 27 0.4%
Excl. MemUse (bytes)-4,692 -4,704 -12 -0.3%
Incl. PeakMemUse (bytes)1,215,416 1,215,424 8 0.0%
Incl. PeakMemUse (bytes) per call 5,426 5,450 24 0.4%
Excl. PeakMemUse (bytes)5,436 5,372 -64 -1.2%

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_exists-1 -100.0% -80 -22.3% -81 -43.3% 8 0.1% 8 0.1%
Exclusive Metrics Diff for Current Function-11 -13.8% -2 -2.5% -12 -150.0% -64 -800.0%
Parent functions
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% -42 -52.5% -52 -64.2% -2,048 -25600.0% -1,864 -23300.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -38 -47.5% -40 -49.4% 4 50.0% 4 50.0%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -23 -28.7% -24 -29.6% -4 -50.0% -44 -550.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 20 25.0% 24 29.6% -4 -50.0% -144 -1800.0%
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% 19 23.8% 24 29.6% 2,056 25700.0% 2,056 25700.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% -16 -20.0% -21 -25.9% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -2 -2.5% 1 1.2% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 1 1.2% 1 1.2% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 1 1.2% 6 7.4% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 1 1.2% 0 0.0% 0 0.0%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 0.0% 0 0.0% -1 -1.2% 4 50.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -69 -86.2% -79 -97.5% 20 250.0% 72 900.0%