Diff Report
Run #5350e2663e694: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5350e128cfd2b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #5350e2663e694Run #5350e128cfd2bDiffDiff%
Number of Function Calls3,055 3,054 -1 -0.0%
Incl. Wall Time (microsec)44,629 44,204 -425 -1.0%
Incl. Wall Time (microsec) per call 15 14 -0 -0.9%
Excl. Wall Time (microsec)2,556 2,574 18 0.7%
Incl. CPU (microsecs)46,530 46,143 -387 -0.8%
Incl. CPU (microsecs) per call 15 15 -0 -0.8%
Excl. CPU (microsec)4,382 4,445 63 1.4%
Incl. MemUse (bytes)9,417,320 9,417,000 -320 -0.0%
Incl. MemUse (bytes) per call 3,083 3,083 1 0.0%
Excl. MemUse (bytes)-16,864 -16,880 -16 -0.1%
Incl. PeakMemUse (bytes)8,094,416 8,096,712 2,296 0.0%
Incl. PeakMemUse (bytes) per call 2,650 2,651 2 0.1%
Excl. PeakMemUse (bytes)9,616 10,056 440 4.6%

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% -425 -26.6% -387 -22.4% -320 -1.4% 2,296 10.2%
Exclusive Metrics Diff for Current Function18 4.2% 63 16.3% -16 -5.0% 440 19.2%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -330 -77.6% -329 -85.0% -368 -115.0% 3,168 138.0%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% -34 -8.0% 21 5.4% 248 77.5% -1,512 -65.9%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% -30 -7.1% -30 -7.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -20 -4.7% -19 -4.9% -16 -5.0% -56 -2.4%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% -9 -2.1% 0 0.0% 40 12.5% -432 -18.8%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% -3 -0.7% -3 -0.8% 48 15.0% 88 3.8%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% 1 0.2% 2 0.5% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 0 0.0% -2 -0.5% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 2 0.5% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% 0 0.0% -27 -7.0% -272 -85.0% 1,040 45.3%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% -2 -0.5% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -443 -104.2% -450 -116.3% -304 -95.0% 1,856 80.8%