Diff Report
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for class_exists

class_existsRun #53923e49d2b58Run #53923d861ff11DiffDiff%
Number of Function Calls1,079 1,079 0 0.0%
Incl. Wall Time (microsec)14,498 14,408 -90 -0.6%
Incl. Wall Time (microsec) per call 13 13 -0 -0.6%
Excl. Wall Time (microsec)1,840 1,869 29 1.6%
Incl. CPU (microsecs)15,681 15,532 -149 -1.0%
Incl. CPU (microsecs) per call 15 14 -0 -1.0%
Excl. CPU (microsec)2,948 2,925 -23 -0.8%
Incl. MemUse (bytes)1,698,452 1,698,504 52 0.0%
Incl. MemUse (bytes) per call 1,574 1,574 0 0.0%
Excl. MemUse (bytes)-10,840 -10,844 -4 -0.0%
Incl. PeakMemUse (bytes)1,361,448 1,373,988 12,540 0.9%
Incl. PeakMemUse (bytes) per call 1,262 1,273 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 Function29 32.2% -23 -15.4% -4 -7.7% 0 0.0%
Parent functions
Drupal\Core\Database\Query\Select::extend0 N/A% -75 -83.3% -74 -49.7% 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\EntityManager::getDefinition0 N/A% -27 -30.0% -97 -65.1% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -26 -28.9% -11 -7.4% 28 53.8% 11,812 94.2%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -13 -14.4% -12 -8.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% -8 -8.9% -19 -12.8% 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\Template\TwigEnvironment::loadTemplate0 N/A% 2 2.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -2 -2.2% -1 -0.7% 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%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -1 -0.7% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -119 -132.2% -126 -84.6% 56 107.7% 12,540 100.0%