Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #51ec485525502Run #51ec491641923DiffDiff%
Number of Function Calls163 165 2 1.2%
Incl. Wall Time (microsec)6,880 6,761 -119 -1.7%
Incl. Wall Time (microsec) per call 42 41 -1 -2.9%
Excl. Wall Time (microsec)459 448 -11 -2.4%
Incl. CPU (microsecs)7,031 6,890 -141 -2.0%
Incl. CPU (microsecs) per call 43 42 -1 -3.2%
Excl. CPU (microsec)555 520 -35 -6.3%
Incl. MemUse (bytes)2,120,136 2,120,480 344 0.0%
Incl. MemUse (bytes) per call 13,007 12,851 -156 -1.2%
Excl. MemUse (bytes)-10,208 -10,208 0 0.0%
Incl. PeakMemUse (bytes)1,508,184 1,509,672 1,488 0.1%
Incl. PeakMemUse (bytes) per call 9,253 9,150 -103 -1.1%
Excl. PeakMemUse (bytes)8,208 8,152 -56 -0.7%

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_exists2 100.0% -119 -7.7% -141 -8.1% 344 0.3% 1,488 1.1%
Exclusive Metrics Diff for Current Function-11 -9.2% -35 -24.8% 0 0.0% -56 -3.8%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -46 -38.7% -51 -36.2% 928 269.8% 1,048 70.4%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -45 -37.8% -45 -31.9% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -41 -34.5% -47 -33.3% -576 -167.4% 344 23.1%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 11 9.2% 10 7.1% -8 -2.3% 96 6.5%
Doctrine\Common\Annotations\DocParser::classExists0 0.0% 1 0.8% -1 -0.7% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate2 100.0% -1 -0.8% -4 -2.8% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 1 0.8% -2 -1.4% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 1 0.8% -1 -0.7% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 0.7% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -0.7% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -70 -58.8% -69 -48.9% 344 100.0% 1,544 103.8%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -38 -31.9% -37 -26.2% 0 0.0% 0 0.0%