Diff Report
Run #52f5c0b2e882a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c11235c73: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #52f5c0b2e882aRun #52f5c11235c73DiffDiff%
Number of Function Calls88 89 1 1.1%
Incl. Wall Time (microsec)13,490 13,330 -160 -1.2%
Incl. Wall Time (microsec) per call 153 150 -4 -2.3%
Excl. Wall Time (microsec)212 210 -2 -0.9%
Incl. CPU (microsecs)13,515 13,399 -116 -0.9%
Incl. CPU (microsecs) per call 154 151 -3 -2.0%
Excl. CPU (microsec)259 257 -2 -0.8%
Incl. MemUse (bytes)3,078,600 3,078,344 -256 -0.0%
Incl. MemUse (bytes) per call 34,984 34,588 -396 -1.1%
Excl. MemUse (bytes)-1,200 -1,200 0 0.0%
Incl. PeakMemUse (bytes)2,915,216 2,906,472 -8,744 -0.3%
Incl. PeakMemUse (bytes) per call 33,127 32,657 -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_exists1 100.0% -160 -38.5% -116 -48.9% -256 -0.6% -8,744 -19.7%
Exclusive Metrics Diff for Current Function-2 -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::loadTemplate1 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%