Diff Report
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519ac1a144fa6: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for class_exists

class_existsRun #519abf80bb905Run #519ac1a144fa6DiffDiff%
Number of Function Calls59 58 -1 -1.7%
Incl. Wall Time (microsec)75,891 74,020 -1,871 -2.5%
Incl. Wall Time (microsec) per call 1,286 1,276 -10 -0.8%
Excl. Wall Time (microsec)474 461 -13 -2.7%
Incl. CPU (microsecs)75,993 74,119 -1,874 -2.5%
Incl. CPU (microsecs) per call 1,288 1,278 -10 -0.8%
Excl. CPU (microsec)514 488 -26 -5.1%
Incl. MemUse (bytes)6,486,608 6,377,344 -109,264 -1.7%
Incl. MemUse (bytes) per call 109,943 109,954 12 0.0%
Excl. MemUse (bytes)-7,480 -7,072 408 5.5%
Incl. PeakMemUse (bytes)6,361,944 6,243,656 -118,288 -1.9%
Incl. PeakMemUse (bytes) per call 107,830 107,649 -180 -0.2%
Excl. PeakMemUse (bytes)6,448 6,208 -240 -3.7%

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 -50.0% -1,871 -234.5% -1,874 -123.0% -109,264 -25.5% -118,288 -7.4%
Exclusive Metrics Diff for Current Function-13 -0.7% -26 -1.4% 408 0.4% -240 -0.2%
Parent functions
Drupal\Core\Database\Connection::getDriverClass-1 -100.0% -1,494 -79.9% -1,494 -79.7% -109,008 -99.8% -118,000 -99.8%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -317 -16.9% -321 -17.1% -216 -0.2% -136 -0.1%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -83 -4.4% -78 -4.2% -40 -0.0% -152 -0.1%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 26 1.4% 24 1.3% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -25 -1.3% -25 -1.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::extend0 0.0% 23 1.2% 21 1.1% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% -1 -0.1% -1 -0.1% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 0.0% 0 0.0% -1 -0.1% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 1 0.1% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass-1 -100.0% -1,858 -99.3% -1,848 -98.6% -109,672 -100.4% -118,048 -99.8%