Diff Report
Run #51af435181b2e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #51af435181b2eRun #51af3d98520b7DiffDiff%
Number of Function Calls29 28 -1 -3.4%
Incl. Wall Time (microsec)12,733 12,578 -155 -1.2%
Incl. Wall Time (microsec) per call 439 449 10 2.3%
Excl. Wall Time (microsec)120 123 3 2.5%
Incl. CPU (microsecs)12,762 12,600 -162 -1.3%
Incl. CPU (microsecs) per call 440 450 10 2.3%
Excl. CPU (microsec)129 128 -1 -0.8%
Incl. MemUse (bytes)2,195,360 2,195,344 -16 -0.0%
Incl. MemUse (bytes) per call 75,702 78,405 2,703 3.6%
Excl. MemUse (bytes)64 72 8 12.5%
Incl. PeakMemUse (bytes)2,352,536 2,352,928 392 0.0%
Incl. PeakMemUse (bytes) per call 81,122 84,033 2,911 3.6%
Excl. PeakMemUse (bytes)1,928 1,928 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_exists-1 -100.0% -155 -19.4% -162 -17.0% -16 -0.0% 392 0.6%
Exclusive Metrics Diff for Current Function3 1.9% -1 -0.6% 8 50.0% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -67 -43.2% -69 -42.6% -16 -100.0% 24 6.1%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -67 -43.2% -66 -40.7% -24 -150.0% 56 14.3%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -10 -6.5% -11 -6.8% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -9 -5.8% -13 -8.0% 24 150.0% 312 79.6%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -2 -1.3% -1 -0.6% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -0.6% 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\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 0 0.0% -1 -0.6% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -158 -101.9% -161 -99.4% -24 -150.0% 392 100.0%