Diff Report
Run #519fedcae68c3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ff0715b88b: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #519fedcae68c3Run #519ff0715b88bDiffDiff%
Number of Function Calls37 39 2 5.4%
Incl. Wall Time (microsec)6,217 6,394 177 2.8%
Incl. Wall Time (microsec) per call 168 164 -4 -2.4%
Excl. Wall Time (microsec)141 142 1 0.7%
Incl. CPU (microsecs)6,258 6,438 180 2.9%
Incl. CPU (microsecs) per call 169 165 -4 -2.4%
Excl. CPU (microsec)161 164 3 1.9%
Incl. MemUse (bytes)582,752 582,824 72 0.0%
Incl. MemUse (bytes) per call 15,750 14,944 -806 -5.1%
Excl. MemUse (bytes)-264 -264 0 0.0%
Incl. PeakMemUse (bytes)337,496 338,336 840 0.2%
Incl. PeakMemUse (bytes) per call 9,122 8,675 -446 -4.9%
Excl. PeakMemUse (bytes)5,136 5,080 -56 -1.1%

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_exists2 100.0% 177 14.2% 180 12.2% 72 0.1% 840 1.0%
Exclusive Metrics Diff for Current Function1 0.6% 3 1.7% 0 0.0% -56 -6.7%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 88 49.7% 86 47.8% 40 55.6% 600 71.4%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 71 40.1% 72 40.0% 32 44.4% -32 -3.8%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 16 9.0% 20 11.1% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate2 100.0% 2 1.1% 0 0.0% 0 0.0% -88 -10.5%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 1 0.6% 2 1.1% 0 0.0% 360 42.9%
_drupal_simpletest_conf_path0 0.0% -1 -0.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 0 0.0% -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%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 176 99.4% 177 98.3% 72 100.0% 896 106.7%