Diff Report
Run #52f5c574bebaf: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c520502f0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #52f5c574bebafRun #52f5c520502f0DiffDiff%
Number of Function Calls97 96 -1 -1.0%
Incl. Wall Time (microsec)13,406 13,503 97 0.7%
Incl. Wall Time (microsec) per call 138 141 2 1.8%
Excl. Wall Time (microsec)225 213 -12 -5.3%
Incl. CPU (microsecs)13,488 13,580 92 0.7%
Incl. CPU (microsecs) per call 139 141 2 1.7%
Excl. CPU (microsec)278 259 -19 -6.8%
Incl. MemUse (bytes)3,078,304 3,078,728 424 0.0%
Incl. MemUse (bytes) per call 31,735 32,070 335 1.1%
Excl. MemUse (bytes)-1,200 -1,200 0 0.0%
Incl. PeakMemUse (bytes)2,901,520 2,910,480 8,960 0.3%
Incl. PeakMemUse (bytes) per call 29,913 30,318 405 1.4%
Excl. PeakMemUse (bytes)9,848 9,848 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% 97 421.7% 92 100.0% 424 1.0% 8,960 19.6%
Exclusive Metrics Diff for Current Function-12 -12.4% -19 -20.7% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% 69 71.1% 66 71.7% 152 35.8% 3,256 36.3%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -56 -57.7% -56 -60.9% -40 -9.4% 152 1.7%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% 51 52.6% 51 55.4% 208 49.1% 5,600 62.5%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 42 43.3% 41 44.6% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -20 -20.6% -20 -21.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 12 12.4% 14 15.2% 16 3.8% 16 0.2%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 1 1.0% 1 1.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -1 -1.0% 0 0.0% 88 20.8% -64 -0.7%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -1.0% -2 -2.2% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -1.1% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% -1 -1.1% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -1.1% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 109 112.4% 111 120.7% 424 100.0% 8,960 100.0%