Diff Report
Run #543bf339ee873: XHProf Run (Namespace=drupal-perf-dawehner)
vs.
Run #543bf51d41339: XHProf Run (Namespace=drupal-perf-dawehner)
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Regression/Improvement summary for class_exists

class_existsRun #543bf339ee873Run #543bf51d41339DiffDiff%
Number of Function Calls369 369 0 0.0%
Incl. Wall Time (microsec)30,581 30,220 -361 -1.2%
Incl. Wall Time (microsec) per call 83 82 -1 -1.2%
Excl. Wall Time (microsec)1,068 1,077 9 0.8%
Incl. CPU (microsecs)30,857 30,494 -363 -1.2%
Incl. CPU (microsecs) per call 84 83 -1 -1.2%
Excl. CPU (microsec)1,319 1,350 31 2.4%
Incl. MemUse (bytes)4,438,096 4,405,592 -32,504 -0.7%
Incl. MemUse (bytes) per call 12,027 11,939 -88 -0.7%
Excl. MemUse (bytes)8,328 8,328 0 0.0%
Incl. PeakMemUse (bytes)3,588,304 3,523,016 -65,288 -1.8%
Incl. PeakMemUse (bytes) per call 9,724 9,547 -177 -1.8%
Excl. PeakMemUse (bytes)22,296 21,912 -384 -1.7%

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_exists0 N/A% -361 -4.8% -363 -3.4% -32,504 -1.7% -65,288 -3.4%
Exclusive Metrics Diff for Current Function9 2.5% 31 8.5% 0 0.0% -384 -0.6%
Parent functions
Drupal\Core\Entity\EntityType::hasHandlerClass0 N/A% -427 -118.3% -431 -118.7% -32,720 -100.7% -65,112 -99.7%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 39 10.8% 46 12.7% 216 0.7% 472 0.7%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% 29 8.0% 13 3.6% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% -9 -2.5% -4 -1.1% 0 0.0% -64 -0.1%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% 4 1.1% 4 1.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 4 1.1% 4 1.1% 0 0.0% -32 -0.0%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% -2 -0.6% 2 0.6% 0 0.0% -552 -0.8%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 1 0.3% 3 0.8% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% -1 -0.3% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 1 0.3% 0 0.0% 0 0.0%
Child function
spl_autoload_call0 N/A% -370 -102.5% -394 -108.5% -32,504 -100.0% -64,904 -99.4%