Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #51ec517fc2424Run #51ec51f5849d9DiffDiff%
Number of Function Calls175 175 0 0.0%
Incl. Wall Time (microsec)9,967 10,091 124 1.2%
Incl. Wall Time (microsec) per call 57 58 1 1.2%
Excl. Wall Time (microsec)446 445 -1 -0.2%
Incl. CPU (microsecs)10,120 10,235 115 1.1%
Incl. CPU (microsecs) per call 58 58 1 1.1%
Excl. CPU (microsec)542 529 -13 -2.4%
Incl. MemUse (bytes)2,192,632 2,192,632 0 0.0%
Incl. MemUse (bytes) per call 12,529 12,529 0 0.0%
Excl. MemUse (bytes)-7,944 -7,944 0 0.0%
Incl. PeakMemUse (bytes)1,536,328 1,536,328 0 0.0%
Incl. PeakMemUse (bytes) per call 8,779 8,779 0 0.0%
Excl. PeakMemUse (bytes)6,232 6,232 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% 124 4.2% 115 3.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -0.8% -13 -11.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 74 59.7% 74 64.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 44 35.5% 43 37.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 38 30.6% 34 29.6% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% -25 -20.2% -23 -20.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% -8 -6.5% -6 -5.2% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 1 0.8% 6 5.2% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -3 -2.6% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::classExists0 N/A% 0 0.0% -12 -10.4% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 1 0.9% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 1 0.9% 0 N/A% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 152 122.6% 160 139.1% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -27 -21.8% -32 -27.8% 0 N/A% 0 N/A%