Diff Report
Run #51a188154f4e0: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a18906335b0: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for class_exists

class_existsRun #51a188154f4e0Run #51a18906335b0DiffDiff%
Number of Function Calls39 46 7 17.9%
Incl. Wall Time (microsec)4,116 4,454 338 8.2%
Incl. Wall Time (microsec) per call 106 97 -9 -8.3%
Excl. Wall Time (microsec)207 243 36 17.4%
Incl. CPU (microsecs)8,001 12,000 3,999 50.0%
Incl. CPU (microsecs) per call 205 261 56 27.2%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)362,272 407,316 45,044 12.4%
Incl. MemUse (bytes) per call 9,289 8,855 -434 -4.7%
Excl. MemUse (bytes)-500 -956 -456 -91.2%
Incl. PeakMemUse (bytes)324,876 335,836 10,960 3.4%
Incl. PeakMemUse (bytes) per call 8,330 7,301 -1,029 -12.4%
Excl. PeakMemUse (bytes)4,152 4,324 172 4.1%

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_exists7 77.8% 338 0.2% 3,999 5.3% 45,044 7.4% 10,960 1.7%
Exclusive Metrics Diff for Current Function36 10.7% 0 0.0% -456 -1.0% 172 1.6%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -4 -1.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 13 3.8% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 48 14.2% -4,000 -100.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass2 28.6% 249 73.7% 4,000 100.0% 45,032 100.0% 14,664 133.8%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 1 0.3% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass1 14.3% 19 5.6% 3,999 100.0% 12 0.0% -3,704 -33.8%
Drupal\Core\Template\TwigEnvironment::loadTemplate4 57.1% 12 3.6% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass2 100.0% 309 91.4% 3,999 100.0% 45,500 101.0% 10,788 98.4%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 0.0% -7 -2.1% 0 0.0% 0 0.0% 0 0.0%