Diff Report
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #53513afe3c568Run #535139ab6e707DiffDiff%
Number of Function Calls2,780 2,779 -1 -0.0%
Incl. Wall Time (microsec)32,313 32,530 217 0.7%
Incl. Wall Time (microsec) per call 12 12 0 0.7%
Excl. Wall Time (microsec)2,519 2,569 50 2.0%
Incl. CPU (microsecs)34,053 34,374 321 0.9%
Incl. CPU (microsecs) per call 12 12 0 1.0%
Excl. CPU (microsec)4,199 4,353 154 3.7%
Incl. MemUse (bytes)6,311,016 6,311,624 608 0.0%
Incl. MemUse (bytes) per call 2,270 2,271 1 0.0%
Excl. MemUse (bytes)-11,712 -11,720 -8 -0.1%
Incl. PeakMemUse (bytes)4,903,944 4,904,920 976 0.0%
Incl. PeakMemUse (bytes) per call 1,764 1,765 1 0.1%
Excl. PeakMemUse (bytes)8,280 7,944 -336 -4.1%

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_exists-1 -100.0% 217 3.9% 321 5.0% 608 2.6% 976 4.3%
Exclusive Metrics Diff for Current Function50 23.0% 154 48.0% -8 -1.3% -336 -34.4%
Parent functions
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% 174 80.2% 229 71.3% 24 3.9% -64 -6.6%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 125 57.6% 128 39.9% 528 86.8% -48 -4.9%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% -77 -35.5% -59 -18.4% -24 -3.9% 1,288 132.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -19 -8.8% -19 -5.9% 88 14.5% -24 -2.5%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 13 6.0% 12 3.7% 0 0.0% -112 -11.5%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 10 4.6% 10 3.1% 104 17.1% -304 -31.1%
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% -4 -1.8% 25 7.8% -112 -18.4% 232 23.8%
Drupal\Core\Database\Query\Select::extend0 0.0% -4 -1.8% -3 -0.9% 0 0.0% 8 0.8%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -0.5% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -2 -0.6% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 167 77.0% 167 52.0% 616 101.3% 1,312 134.4%