Diff Report
Run #52f5c11235c73: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c0b2e882a: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for class_exists

class_existsRun #52f5c11235c73Run #52f5c0b2e882aDiffDiff%
Number of Function Calls89 88 -1 -1.1%
Incl. Wall Time (microsec)13,330 13,490 160 1.2%
Incl. Wall Time (microsec) per call 150 153 4 2.4%
Excl. Wall Time (microsec)210 212 2 1.0%
Incl. CPU (microsecs)13,399 13,515 116 0.9%
Incl. CPU (microsecs) per call 151 154 3 2.0%
Excl. CPU (microsec)257 259 2 0.8%
Incl. MemUse (bytes)3,078,344 3,078,600 256 0.0%
Incl. MemUse (bytes) per call 34,588 34,984 396 1.1%
Excl. MemUse (bytes)-1,200 -1,200 0 0.0%
Incl. PeakMemUse (bytes)2,906,472 2,915,216 8,744 0.3%
Incl. PeakMemUse (bytes) per call 32,657 33,127 470 1.4%
Excl. PeakMemUse (bytes)10,000 10,000 0 0.0%

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% 160 38.5% 116 48.9% 256 0.6% 8,744 19.7%
Exclusive Metrics Diff for Current Function2 1.2% 2 1.7% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% 80 50.0% 68 58.6% 136 53.1% 5,592 64.0%
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% 70 43.8% 51 44.0% 32 12.5% 2,896 33.1%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 48 30.0% 42 36.2% 32 12.5% -24 -0.3%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -42 -26.2% -49 -42.2% 0 0.0% 280 3.2%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 5 3.1% 3 2.6% 56 21.9% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -3 -1.9% -3 -2.6% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 2 1.2% 2 1.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% -1 -0.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% 1 0.6% 1 0.9% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 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% 1 0.9% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 158 98.8% 114 98.3% 256 100.0% 8,744 100.0%