Diff Report
Run #51aad231c9c46: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aad15cb89bb: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51aad231c9c46Run #51aad15cb89bbDiffDiff%
Number of Function Calls36 35 -1 -2.8%
Incl. Wall Time (microsec)9,814 10,002 188 1.9%
Incl. Wall Time (microsec) per call 273 286 13 4.8%
Excl. Wall Time (microsec)127 131 4 3.1%
Incl. CPU (microsecs)9,847 10,049 202 2.1%
Incl. CPU (microsecs) per call 274 287 14 5.0%
Excl. CPU (microsec)138 152 14 10.1%
Incl. MemUse (bytes)1,369,440 1,369,496 56 0.0%
Incl. MemUse (bytes) per call 38,040 39,128 1,088 2.9%
Excl. MemUse (bytes)304 304 0 0.0%
Incl. PeakMemUse (bytes)1,292,664 1,292,664 0 0.0%
Incl. PeakMemUse (bytes) per call 35,907 36,933 1,026 2.9%
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% 188 70.4% 202 13.4% 56 0.1% 0 0.0%
Exclusive Metrics Diff for Current Function4 2.1% 14 6.9% 0 0.0% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 107 56.9% 111 55.0% 112 200.0% 56 N/A%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 44 23.4% 43 21.3% -56 -100.0% -56 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 34 18.1% 41 20.3% 0 0.0% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 4 2.1% 4 2.0% 0 0.0% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -0.5% -2 -1.0% 0 0.0% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 0 0.0% 4 2.0% 0 0.0% 0 N/A%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 1 0.5% 0 0.0% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 185 98.4% 188 93.1% 56 100.0% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -1 -0.5% 0 0.0% 0 0.0% 0 N/A%