Diff Report
Run #519fc956834f6: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc9a1407b3: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519fc956834f6Run #519fc9a1407b3DiffDiff%
Number of Function Calls75 76 1 1.3%
Incl. Wall Time (microsec)4,843 4,847 4 0.1%
Incl. Wall Time (microsec) per call 65 64 -1 -1.2%
Excl. Wall Time (microsec)277 255 -22 -7.9%
Incl. CPU (microsecs)8,000 16,001 8,001 100.0%
Incl. CPU (microsecs) per call 107 211 104 97.4%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)1,591,296 1,587,984 -3,312 -0.2%
Incl. MemUse (bytes) per call 21,217 20,895 -323 -1.5%
Excl. MemUse (bytes)-9,240 -9,240 0 0.0%
Incl. PeakMemUse (bytes)1,275,184 1,271,856 -3,328 -0.3%
Incl. PeakMemUse (bytes) per call 17,002 16,735 -268 -1.6%
Excl. PeakMemUse (bytes)8,496 8,408 -88 -1.0%

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_exists1 100.0% 4 1.0% 8,001 200.0% -3,312 -2.2% -3,328 -2.2%
Exclusive Metrics Diff for Current Function-22 -550.0% 0 0.0% 0 0.0% -88 -2.6%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -54 -1350.0% 0 0.0% -3,328 -100.5% -3,400 -102.2%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 50 1250.0% 4,001 50.0% 8 0.2% 152 4.6%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 3 75.0% 4,000 50.0% 8 0.2% 8 0.2%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 2 50.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 1 25.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 1 25.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 25.0% 0 0.0% 0 0.0% -88 -2.6%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 26 650.0% 8,001 100.0% -3,312 -100.0% -3,240 -97.4%