Diff Report
Run #544333b05173f: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #54433ad6a7755: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #544333b05173fRun #54433ad6a7755DiffDiff%
Number of Function Calls6,197 6,197 0 0.0%
Incl. Wall Time (microsec)105,910 110,433 4,523 4.3%
Incl. Wall Time (microsec) per call 17 18 1 4.3%
Excl. Wall Time (microsec)7,484 7,573 89 1.2%
Incl. CPU (microsecs)109,822 114,277 4,455 4.1%
Incl. CPU (microsecs) per call 18 18 1 4.1%
Excl. CPU (microsec)11,958 12,502 544 4.5%
Incl. MemUse (bytes)12,005,696 12,002,640 -3,056 -0.0%
Incl. MemUse (bytes) per call 1,937 1,937 -0 -0.0%
Excl. MemUse (bytes)9,128 9,152 24 0.3%
Incl. PeakMemUse (bytes)10,226,080 10,334,392 108,312 1.1%
Incl. PeakMemUse (bytes) per call 1,650 1,668 17 1.1%
Excl. PeakMemUse (bytes)19,072 19,160 88 0.5%

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% 4,523 5.2% 4,455 5.4% -3,056 -5.1% 108,312 191.8%
Exclusive Metrics Diff for Current Function89 2.0% 544 12.2% 24 0.8% 88 0.1%
Parent functions
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% 2,660 58.8% 2,815 63.2% -1,416 -46.3% -1,520 -1.4%
Drupal\Core\Entity\EntityType::hasHandlerClass0 N/A% 609 13.5% 570 12.8% -760 -24.9% -848 -0.8%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 404 8.9% 255 5.7% -840 -27.5% 110,240 101.8%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% 335 7.4% 334 7.5% 216 7.1% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 288 6.4% 253 5.7% -272 -8.9% 248 0.2%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% 155 3.4% 155 3.5% -8 -0.3% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 65 1.4% 60 1.3% 0 0.0% 192 0.2%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 5 0.1% 7 0.2% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% 3 0.1% 6 0.1% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% -1 -0.0% 0 0.0% 24 0.8% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate@10 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
spl_autoload_call0 N/A% 4,434 98.0% 3,911 87.8% -3,080 -100.8% 108,224 99.9%