Diff Report
Run #51b033ccbc666: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b032b631491: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #51b033ccbc666Run #51b032b631491DiffDiff%
Number of Function Calls42 41 -1 -2.4%
Incl. Wall Time (microsec)12,324 11,892 -432 -3.5%
Incl. Wall Time (microsec) per call 293 290 -3 -1.2%
Excl. Wall Time (microsec)172 153 -19 -11.0%
Incl. CPU (microsecs)12,374 11,949 -425 -3.4%
Incl. CPU (microsecs) per call 295 291 -3 -1.1%
Excl. CPU (microsec)195 181 -14 -7.2%
Incl. MemUse (bytes)1,262,424 1,262,408 -16 -0.0%
Incl. MemUse (bytes) per call 30,058 30,790 733 2.4%
Excl. MemUse (bytes)-704 -704 0 0.0%
Incl. PeakMemUse (bytes)1,051,896 1,052,664 768 0.1%
Incl. PeakMemUse (bytes) per call 25,045 25,675 630 2.5%
Excl. PeakMemUse (bytes)4,888 4,960 72 1.5%

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% -432 -2.3% -425 -2.1% -16 -0.0% 768 0.4%
Exclusive Metrics Diff for Current Function-19 -4.4% -14 -3.3% 0 0.0% 72 9.4%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -406 -94.0% -404 -95.1% -40 -250.0% 40 5.2%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -64 -14.8% -59 -13.9% 40 250.0% 712 92.7%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 51 11.8% 53 12.5% -16 -100.0% 16 2.1%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -13 -3.0% -14 -3.3% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 2 0.5% 2 0.5% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -2 -0.5% -2 -0.5% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -0.2% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -413 -95.6% -411 -96.7% -16 -100.0% 696 90.6%