Diff Report
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b1f732b14: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #52d4b18f32fb6Run #52d4b1f732b14DiffDiff%
Number of Function Calls55 54 -1 -1.8%
Incl. Wall Time (microsec)6,164 6,468 304 4.9%
Incl. Wall Time (microsec) per call 112 120 8 6.9%
Excl. Wall Time (microsec)153 151 -2 -1.3%
Incl. CPU (microsecs)6,218 6,521 303 4.9%
Incl. CPU (microsecs) per call 113 121 8 6.8%
Excl. CPU (microsec)179 173 -6 -3.4%
Incl. MemUse (bytes)905,320 938,040 32,720 3.6%
Incl. MemUse (bytes) per call 16,460 17,371 911 5.5%
Excl. MemUse (bytes)160 160 0 0.0%
Incl. PeakMemUse (bytes)777,368 805,048 27,680 3.6%
Incl. PeakMemUse (bytes) per call 14,134 14,908 774 5.5%
Excl. PeakMemUse (bytes)9,632 9,616 -16 -0.2%

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% 304 16.7% 303 16.5% 32,720 37.3% 27,680 32.6%
Exclusive Metrics Diff for Current Function-2 -0.7% -6 -2.0% 0 0.0% -16 -0.1%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 225 74.0% 229 75.6% 32,728 100.0% 33,888 122.4%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 30 9.9% 30 9.9% 0 0.0% 32 0.1%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 28 9.2% 30 9.9% 0 0.0% -4,704 -17.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 22 7.2% 20 6.6% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 2 0.7% 0 0.0% -8 -0.0% -1,456 -5.3%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -0.3% -5 -1.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::extend0 0.0% -1 -0.3% -3 -1.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% -1 -0.3% -2 -0.7% 0 0.0% -80 -0.3%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 0 0.0% 1 0.3% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 2 0.7% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 1 0.3% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Composer\Autoload\ClassLoader::loadClass0 N/A% 306 100.7% 309 102.0% 32,720 100.0% 27,696 100.1%