Diff Report
Run #52d3e93cb560e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e983be01d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #52d3e93cb560eRun #52d3e983be01dDiffDiff%
Number of Function Calls51 48 -3 -5.9%
Incl. Wall Time (microsec)6,176 6,329 153 2.5%
Incl. Wall Time (microsec) per call 121 132 11 8.9%
Excl. Wall Time (microsec)149 147 -2 -1.3%
Incl. CPU (microsecs)6,222 6,371 149 2.4%
Incl. CPU (microsecs) per call 122 133 11 8.8%
Excl. CPU (microsec)166 158 -8 -4.8%
Incl. MemUse (bytes)925,944 925,984 40 0.0%
Incl. MemUse (bytes) per call 18,156 19,291 1,136 6.3%
Excl. MemUse (bytes)-176 -176 0 0.0%
Incl. PeakMemUse (bytes)799,256 801,264 2,008 0.3%
Incl. PeakMemUse (bytes) per call 15,672 16,693 1,021 6.5%
Excl. PeakMemUse (bytes)9,944 9,952 8 0.1%

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-3 -100.0% 153 4.3% 149 4.7% 40 0.0% 2,008 1.4%
Exclusive Metrics Diff for Current Function-2 -1.3% -8 -5.4% 0 0.0% 8 0.4%
Parent functions
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 69 45.1% 70 47.0% 8 20.0% 80 4.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 65 42.5% 66 44.3% 40 100.0% 1,936 96.4%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 29 19.0% 28 18.8% 8 20.0% 8 0.4%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -9 -5.9% -9 -6.0% -16 -40.0% -16 -0.8%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 4 2.6% 5 3.4% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-3 -100.0% -3 -2.0% -9 -6.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::extend0 0.0% -2 -1.3% -3 -2.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 2 1.3% 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%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 0 0.0% -1 -0.7% 0 0.0% 0 0.0%
Child function
Composer\Autoload\ClassLoader::loadClass0 N/A% 155 101.3% 157 105.4% 40 100.0% 2,000 99.6%