Diff Report
Run #517c7d73caad2: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c7dc1dc4c3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #517c7d73caad2Run #517c7dc1dc4c3DiffDiff%
Number of Function Calls37 37 0 0.0%
Incl. Wall Time (microsec)5,923 5,529 -394 -6.7%
Incl. Wall Time (microsec) per call 160 149 -11 -6.7%
Excl. Wall Time (microsec)148 140 -8 -5.4%
Incl. CPU (microsecs)5,966 5,571 -395 -6.6%
Incl. CPU (microsecs) per call 161 151 -11 -6.6%
Excl. CPU (microsec)171 159 -12 -7.0%
Incl. MemUse (bytes)483,688 483,720 32 0.0%
Incl. MemUse (bytes) per call 13,073 13,074 1 0.0%
Excl. MemUse (bytes)-256 -256 0 0.0%
Incl. PeakMemUse (bytes)412,408 412,624 216 0.1%
Incl. PeakMemUse (bytes) per call 11,146 11,152 6 0.1%
Excl. PeakMemUse (bytes)8,096 8,096 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_exists0 N/A% -394 -111.6% -395 -42.2% 32 1.3% 216 8.8%
Exclusive Metrics Diff for Current Function-8 -2.0% -12 -3.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -278 -70.6% -278 -70.4% 40 125.0% 224 103.7%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -154 -39.1% -156 -39.5% -16 -50.0% -16 -7.4%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 44 11.2% 45 11.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -8 -2.0% -8 -2.0% 8 25.0% 8 3.7%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 2 0.5% 2 0.5% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 1 0.3% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -1 -0.3% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -386 -98.0% -383 -97.0% 32 100.0% 216 100.0%