Diff Report
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #51ec3c5ab9ae4Run #51ec3b81ad265DiffDiff%
Number of Function Calls73 72 -1 -1.4%
Incl. Wall Time (microsec)7,716 7,817 101 1.3%
Incl. Wall Time (microsec) per call 106 109 3 2.7%
Excl. Wall Time (microsec)251 261 10 4.0%
Incl. CPU (microsecs)7,785 7,885 100 1.3%
Incl. CPU (microsecs) per call 107 110 3 2.7%
Excl. CPU (microsec)288 295 7 2.4%
Incl. MemUse (bytes)1,961,392 1,961,464 72 0.0%
Incl. MemUse (bytes) per call 26,868 27,243 374 1.4%
Excl. MemUse (bytes)-4,792 -4,792 0 0.0%
Incl. PeakMemUse (bytes)1,579,712 1,579,928 216 0.0%
Incl. PeakMemUse (bytes) per call 21,640 21,943 304 1.4%
Excl. PeakMemUse (bytes)8,512 8,512 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_exists-1 -100.0% 101 27.0% 100 9.4% 72 0.2% 216 0.6%
Exclusive Metrics Diff for Current Function10 9.9% 7 7.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 98 97.0% 86 86.0% 88 122.2% 248 114.8%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -27 -26.7% -26 -26.0% -16 -22.2% -32 -14.8%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 23 22.8% 30 30.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 6 5.9% 6 6.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -1.0% -1 -1.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 1 1.0% 1 1.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 1 1.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::classExists0 0.0% 0 0.0% 3 3.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 1 1.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 91 90.1% 94 94.0% 72 100.0% 216 100.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 0 0.0% -1 -1.0% 0 0.0% 0 0.0%