Diff Report
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec2301b5aa5: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #51ec227a9cea0Run #51ec2301b5aa5DiffDiff%
Number of Function Calls632 632 0 0.0%
Incl. Wall Time (microsec)22,502 22,481 -21 -0.1%
Incl. Wall Time (microsec) per call 36 36 -0 -0.1%
Excl. Wall Time (microsec)1,389 1,391 2 0.1%
Incl. CPU (microsecs)23,006 23,028 22 0.1%
Incl. CPU (microsecs) per call 36 36 0 0.1%
Excl. CPU (microsec)1,720 1,751 31 1.8%
Incl. MemUse (bytes)2,130,160 2,130,160 0 0.0%
Incl. MemUse (bytes) per call 3,371 3,371 0 0.0%
Excl. MemUse (bytes)-16,104 -16,104 0 0.0%
Incl. PeakMemUse (bytes)1,486,448 1,486,448 0 0.0%
Incl. PeakMemUse (bytes) per call 2,352 2,352 0 0.0%
Excl. PeakMemUse (bytes)8,592 8,592 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_exists0 N/A% -21 -0.8% 22 0.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 9.5% 31 140.9% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 29 138.1% 37 168.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -21 -100.0% -20 -90.9% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% -14 -66.7% -21 -95.5% 0 N/A% 0 N/A%
file_stream_wrapper_valid_scheme0 N/A% -11 -52.4% 5 22.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -10 -47.6% -4 -18.2% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::classExists0 N/A% 7 33.3% 23 104.5% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% -1 -4.8% 1 4.5% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 1 4.5% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% -2 -9.1% 0 N/A% 0 N/A%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% 0 0.0% 2 9.1% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 1 4.5% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 0 0.0% -1 -4.5% 0 N/A% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -29 -138.1% -21 -95.5% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 6 28.6% 12 54.5% 0 N/A% 0 N/A%