Diff Report
Run #51f3c666a1782: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #51f3c80c2ab79: XHProf Run (Namespace=drupal-perf-fabianx)
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Regression/Improvement summary for class_exists

class_existsRun #51f3c666a1782Run #51f3c80c2ab79DiffDiff%
Number of Function Calls416 416 0 0.0%
Incl. Wall Time (microsec)38,211 38,339 128 0.3%
Incl. Wall Time (microsec) per call 92 92 0 0.3%
Excl. Wall Time (microsec)1,732 1,713 -19 -1.1%
Incl. CPU (microsecs)56,004 44,005 -11,999 -21.4%
Incl. CPU (microsecs) per call 135 106 -29 -21.4%
Excl. CPU (microsec)0 4,001 4,001 N/A%
Incl. MemUse (bytes)3,098,880 3,098,928 48 0.0%
Incl. MemUse (bytes) per call 7,449 7,449 0 0.0%
Excl. MemUse (bytes)-43,688 -43,688 0 0.0%
Incl. PeakMemUse (bytes)2,301,160 2,301,944 784 0.0%
Incl. PeakMemUse (bytes) per call 5,532 5,534 2 0.0%
Excl. PeakMemUse (bytes)14,488 14,488 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% 128 10.9% -11,999 N/A% 48 2.3% 784 13.5%
Exclusive Metrics Diff for Current Function-19 -14.8% 4,001 33.3% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 127 99.2% 8,003 66.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 15 11.7% 0 0.0% 96 200.0% -176 -22.4%
Drupal\Core\Database\Query\Select::extend0 N/A% -12 -9.4% 0 0.0% 16 33.3% 16 2.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 6 4.7% -4,000 -33.3% -64 -133.3% 560 71.4%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -4 -3.1% -16,002 -133.4% 0 0.0% 384 49.0%
Doctrine\Common\Annotations\DocParser::classExists0 N/A% -3 -2.3% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 N/A% -1 -0.8% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 102 79.7% 4,002 33.4% 16 33.3% 16 2.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 45 35.2% -20,002 -166.7% 32 66.7% 768 98.0%