Diff Report
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519ac1c42d00d: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for class_exists

class_existsRun #519abf80bb905Run #519ac1c42d00dDiffDiff%
Number of Function Calls59 60 1 1.7%
Incl. Wall Time (microsec)75,891 76,562 671 0.9%
Incl. Wall Time (microsec) per call 1,286 1,276 -10 -0.8%
Excl. Wall Time (microsec)474 490 16 3.4%
Incl. CPU (microsecs)75,993 76,659 666 0.9%
Incl. CPU (microsecs) per call 1,288 1,278 -10 -0.8%
Excl. CPU (microsec)514 512 -2 -0.4%
Incl. MemUse (bytes)6,486,608 6,592,832 106,224 1.6%
Incl. MemUse (bytes) per call 109,943 109,881 -62 -0.1%
Excl. MemUse (bytes)-7,480 -7,888 -408 -5.5%
Incl. PeakMemUse (bytes)6,361,944 6,415,344 53,400 0.8%
Incl. PeakMemUse (bytes) per call 107,830 106,922 -907 -0.8%
Excl. PeakMemUse (bytes)6,448 6,288 -160 -2.5%

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_exists1 50.0% 671 5.6% 666 4.6% 106,224 68.4% 53,400 4.0%
Exclusive Metrics Diff for Current Function16 2.4% -2 -0.3% -408 -0.4% -160 -0.3%
Parent functions
Drupal\Core\Database\Connection::getDriverClass1 100.0% 933 139.0% 934 140.2% 106,456 100.2% 53,760 100.7%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -437 -65.1% -443 -66.5% -224 -0.2% -256 -0.5%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 147 21.9% 149 22.4% -8 -0.0% -104 -0.2%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 0.0% 0 0.0% 3 0.5% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -7 -1.0% -10 -1.5% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 43 6.4% 44 6.6% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -0.2% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::extend0 0.0% -8 -1.2% -10 -1.5% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass1 100.0% 655 97.6% 668 100.3% 106,632 100.4% 53,560 100.3%