Diff Report
Run #51aaed996e9e3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51aaed996e9e3Run #51aaed0fcbd4eDiffDiff%
Number of Function Calls36 35 -1 -2.8%
Incl. Wall Time (microsec)10,001 10,173 172 1.7%
Incl. Wall Time (microsec) per call 278 291 13 4.6%
Excl. Wall Time (microsec)134 130 -4 -3.0%
Incl. CPU (microsecs)10,046 10,213 167 1.7%
Incl. CPU (microsecs) per call 279 292 13 4.6%
Excl. CPU (microsec)158 148 -10 -6.3%
Incl. MemUse (bytes)1,369,624 1,369,496 -128 -0.0%
Incl. MemUse (bytes) per call 38,045 39,128 1,083 2.8%
Excl. MemUse (bytes)304 304 0 0.0%
Incl. PeakMemUse (bytes)1,293,416 1,292,664 -752 -0.1%
Incl. PeakMemUse (bytes) per call 35,928 36,933 1,005 2.8%
Excl. PeakMemUse (bytes)4,736 4,736 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% 172 23.2% 167 37.4% -128 -0.2% -752 -1.2%
Exclusive Metrics Diff for Current Function-4 -2.3% -10 -6.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 154 89.5% 149 89.2% 8 6.2% -160 -21.3%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 34 19.8% 34 20.4% -136 -106.2% -584 -77.7%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -34 -19.8% -40 -24.0% 0 0.0% -8 -1.1%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 24 14.0% 30 18.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -5 -2.9% -5 -3.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -0.6% 2 1.2% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -2 -1.2% 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 functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 151 87.8% 152 91.0% -128 -100.0% -752 -100.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 25 14.5% 25 15.0% 0 0.0% 0 0.0%