Diff Report
Run #5198b38f0f1d5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198b3cd5c9c1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #5198b38f0f1d5Run #5198b3cd5c9c1DiffDiff%
Number of Function Calls22 23 1 4.5%
Incl. Wall Time (microsec)2,437 2,445 8 0.3%
Incl. Wall Time (microsec) per call 111 106 -4 -4.0%
Excl. Wall Time (microsec)105 109 4 3.8%
Incl. CPU (microsecs)2,460 2,467 7 0.3%
Incl. CPU (microsecs) per call 112 107 -5 -4.1%
Excl. CPU (microsec)108 105 -3 -2.8%
Incl. MemUse (bytes)429,888 429,888 0 0.0%
Incl. MemUse (bytes) per call 19,540 18,691 -850 -4.3%
Excl. MemUse (bytes)2,264 2,264 0 0.0%
Incl. PeakMemUse (bytes)302,872 302,760 -112 -0.0%
Incl. PeakMemUse (bytes) per call 13,767 13,163 -603 -4.4%
Excl. PeakMemUse (bytes)6,632 6,632 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% 8 1.7% 7 2.5% 0 0.0% -112 -0.3%
Exclusive Metrics Diff for Current Function4 50.0% -3 -42.9% 0 N/A% 0 0.0%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 21 262.5% 20 285.7% 0 N/A% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -11 -137.5% -12 -171.4% 8 N/A% -104 -92.9%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -2 -25.0% -2 -28.6% -8 N/A% -8 -7.1%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 12.5% 2 28.6% 0 N/A% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -1 -12.5% -2 -28.6% 0 N/A% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 14.3% 0 N/A% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 20 250.0% 23 328.6% 0 N/A% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -16 -200.0% -13 -185.7% 0 N/A% -112 -100.0%