Diff Report
Run #518eceb4aac68: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518ed14bbba55: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #518eceb4aac68Run #518ed14bbba55DiffDiff%
Number of Function Calls48 49 1 2.1%
Incl. Wall Time (microsec)3,150 3,273 123 3.9%
Incl. Wall Time (microsec) per call 66 67 1 1.8%
Excl. Wall Time (microsec)204 203 -1 -0.5%
Incl. CPU (microsecs)3,220 3,354 134 4.2%
Incl. CPU (microsecs) per call 67 68 1 2.0%
Excl. CPU (microsec)239 246 7 2.9%
Incl. MemUse (bytes)588,720 588,728 8 0.0%
Incl. MemUse (bytes) per call 12,265 12,015 -250 -2.0%
Excl. MemUse (bytes)-2,952 -2,936 16 0.5%
Incl. PeakMemUse (bytes)488,152 488,216 64 0.0%
Incl. PeakMemUse (bytes) per call 10,170 9,964 -206 -2.0%
Excl. PeakMemUse (bytes)9,032 9,096 64 0.7%

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% 123 44.7% 134 42.9% 8 0.0% 64 0.3%
Exclusive Metrics Diff for Current Function-1 -0.8% 7 5.2% 16 200.0% 64 100.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 164 133.3% 171 127.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -22 -17.9% -21 -15.7% 16 200.0% 16 25.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -16 -13.0% -13 -9.7% -8 -100.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -2 -1.6% -2 -1.5% 0 0.0% 48 75.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -2 -1.6% -3 -2.2% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 0.8% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 2 1.5% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 123 100.0% 128 95.5% -8 -100.0% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 1 0.8% -1 -0.7% 0 0.0% 0 0.0%