Diff Report
Run #519fc84e17238: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc53e46a65: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519fc84e17238Run #519fc53e46a65DiffDiff%
Number of Function Calls65 65 0 0.0%
Incl. Wall Time (microsec)2,828 2,834 6 0.2%
Incl. Wall Time (microsec) per call 44 44 0 0.2%
Excl. Wall Time (microsec)164 166 2 1.2%
Incl. CPU (microsecs)4,000 4,000 0 0.0%
Incl. CPU (microsecs) per call 62 62 0 0.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)1,480,360 1,480,344 -16 -0.0%
Incl. MemUse (bytes) per call 22,775 22,775 -0 -0.0%
Excl. MemUse (bytes)-6,352 -6,352 0 0.0%
Incl. PeakMemUse (bytes)1,221,464 1,221,664 200 0.0%
Incl. PeakMemUse (bytes) per call 18,792 18,795 3 0.0%
Excl. PeakMemUse (bytes)8,264 8,296 32 0.4%

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_exists0 N/A% 6 1.1% 0 0.0% -16 -0.2% 200 1.9%
Exclusive Metrics Diff for Current Function2 33.3% 0 N/A% 0 0.0% 32 16.0%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% -7 -116.7% 0 N/A% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 18 300.0% 0 N/A% -8 -50.0% 264 132.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 1 16.7% 0 N/A% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 2 33.3% 0 N/A% -8 -50.0% -8 -4.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -8 -133.3% 0 N/A% 0 0.0% -56 -28.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 12 200.0% 0 N/A% -16 -100.0% 168 84.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -8 -133.3% 0 N/A% 0 0.0% 0 0.0%