Diff Report
Run #51990c6b6ce43: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51990d1de2dc4: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51990c6b6ce43Run #51990d1de2dc4DiffDiff%
Number of Function Calls113 113 0 0.0%
Incl. Wall Time (microsec)12,216 12,365 149 1.2%
Incl. Wall Time (microsec) per call 108 109 1 1.2%
Excl. Wall Time (microsec)487 488 1 0.2%
Incl. CPU (microsecs)12,334 12,484 150 1.2%
Incl. CPU (microsecs) per call 109 110 1 1.2%
Excl. CPU (microsec)502 515 13 2.6%
Incl. MemUse (bytes)1,683,880 1,683,880 0 0.0%
Incl. MemUse (bytes) per call 14,902 14,902 0 0.0%
Excl. MemUse (bytes)-5,560 -5,560 0 0.0%
Incl. PeakMemUse (bytes)1,104,496 1,104,496 0 0.0%
Incl. PeakMemUse (bytes) per call 9,774 9,774 0 0.0%
Excl. PeakMemUse (bytes)7,520 7,520 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% 149 41.0% 150 714.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 0.7% 13 8.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 340 228.2% 330 220.0% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -152 -102.0% -144 -96.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -28 -18.8% -28 -18.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -12 -8.1% -8 -5.3% 0 N/A% 0 N/A%
file_stream_wrapper_valid_scheme0 N/A% 2 1.3% 4 2.7% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% -1 -0.7% -3 -2.0% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 1 0.7% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 0 0.0% -2 -1.3% 0 N/A% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 327 219.5% 313 208.7% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -179 -120.1% -176 -117.3% 0 N/A% 0 N/A%