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

class_existsRun #535139ab6e707Run #53513afe3c568DiffDiff%
Number of Function Calls2,779 2,780 1 0.0%
Incl. Wall Time (microsec)32,530 32,313 -217 -0.7%
Incl. Wall Time (microsec) per call 12 12 -0 -0.7%
Excl. Wall Time (microsec)2,569 2,519 -50 -1.9%
Incl. CPU (microsecs)34,374 34,053 -321 -0.9%
Incl. CPU (microsecs) per call 12 12 -0 -1.0%
Excl. CPU (microsec)4,353 4,199 -154 -3.5%
Incl. MemUse (bytes)6,311,624 6,311,016 -608 -0.0%
Incl. MemUse (bytes) per call 2,271 2,270 -1 -0.0%
Excl. MemUse (bytes)-11,720 -11,712 8 0.1%
Incl. PeakMemUse (bytes)4,904,920 4,903,944 -976 -0.0%
Incl. PeakMemUse (bytes) per call 1,765 1,764 -1 -0.1%
Excl. PeakMemUse (bytes)7,944 8,280 336 4.2%

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_exists1 100.0% -217 -3.9% -321 -5.0% -608 -2.6% -976 -4.3%
Exclusive Metrics Diff for Current Function-50 -23.0% -154 -48.0% 8 1.3% 336 34.4%
Parent functions
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -125 -57.6% -128 -39.9% -528 -86.8% 48 4.9%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% -10 -4.6% -10 -3.1% -104 -17.1% 304 31.1%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 19 8.8% 19 5.9% -88 -14.5% 24 2.5%
Drupal\Core\Database\Query\Select::extend0 0.0% 4 1.8% 3 0.9% 0 0.0% -8 -0.8%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 2 0.6% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% -174 -80.2% -229 -71.3% -24 -3.9% 64 6.6%
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% 4 1.8% -25 -7.8% 112 18.4% -232 -23.8%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 77 35.5% 59 18.4% 24 3.9% -1,288 -132.0%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -13 -6.0% -12 -3.7% 0 0.0% 112 11.5%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 0.5% 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%