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

class_existsRun #51aaed0fcbd4eRun #51aaed996e9e3DiffDiff%
Number of Function Calls35 36 1 2.9%
Incl. Wall Time (microsec)10,173 10,001 -172 -1.7%
Incl. Wall Time (microsec) per call 291 278 -13 -4.4%
Excl. Wall Time (microsec)130 134 4 3.1%
Incl. CPU (microsecs)10,213 10,046 -167 -1.6%
Incl. CPU (microsecs) per call 292 279 -13 -4.4%
Excl. CPU (microsec)148 158 10 6.8%
Incl. MemUse (bytes)1,369,496 1,369,624 128 0.0%
Incl. MemUse (bytes) per call 39,128 38,045 -1,083 -2.8%
Excl. MemUse (bytes)304 304 0 0.0%
Incl. PeakMemUse (bytes)1,292,664 1,293,416 752 0.1%
Incl. PeakMemUse (bytes) per call 36,933 35,928 -1,005 -2.7%
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_exists1 100.0% -172 -23.2% -167 -37.4% 128 0.2% 752 1.2%
Exclusive Metrics Diff for Current Function4 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::loadTemplate1 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%