Diff Report
Run #560d7dac0c098: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #560d8088818a3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #560d7dac0c098Run #560d8088818a3DiffDiff%
Number of Function Calls483 485 2 0.4%
Incl. Wall Time (microsec)29,134 30,172 1,038 3.6%
Incl. Wall Time (microsec) per call 60 62 2 3.1%
Excl. Wall Time (microsec)166 184 18 10.8%
Incl. MemUse (bytes)6,060,696 6,060,752 56 0.0%
Incl. MemUse (bytes) per call 12,548 12,496 -52 -0.4%
Excl. MemUse (bytes)7,488 7,488 0 0.0%
Incl. PeakMemUse (bytes)2,470,440 2,476,600 6,160 0.2%
Incl. PeakMemUse (bytes) per call 5,115 5,106 -8 -0.2%
Excl. PeakMemUse (bytes)2,112 2,152 40 1.9%

Parent/Child Regression/Improvement report for class_exists [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
class_exists2 100.0% 1,038 7.4% 56 0.2% 6,160 22.1%
Exclusive Metrics Diff for Current Function18 1.7% 0 0.0% 40 0.6%
Parent functions
Twig_Environment::loadTemplate2 100.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 8 0.8% 32 57.1% 0 0.0%
Twig_Environment::loadTemplate@10 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 210 20.2% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -37 -3.6% 472 842.9% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 57 5.5% -32 -57.1% -64 -1.0%
Symfony\Bridge\PsrHttpMessage\Factory\DiactorosFactory::__construct0 0.0% -37 -3.6% -48 -85.7% 152 2.5%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% 335 32.3% -32 -57.1% 6,632 107.7%
Drupal\Core\Entity\EntityType::hasHandlerClass0 0.0% 501 48.3% -336 -600.0% -560 -9.1%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 0.0% 1 0.1% 0 0.0% 0 0.0%
???_op@20 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
spl_autoload_call0 N/A% 1,020 98.3% 56 100.0% 6,120 99.4%