Diff Report
Run #519a6b3fa9c9c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519a6c2cb620c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #519a6b3fa9c9cRun #519a6c2cb620cDiffDiff%
Number of Function Calls113 113 0 0.0%
Incl. Wall Time (microsec)13,265 12,985 -280 -2.1%
Incl. Wall Time (microsec) per call 117 115 -2 -2.1%
Excl. Wall Time (microsec)522 500 -22 -4.2%
Incl. CPU (microsecs)13,382 13,103 -279 -2.1%
Incl. CPU (microsecs) per call 118 116 -2 -2.1%
Excl. CPU (microsec)540 532 -8 -1.5%
Incl. MemUse (bytes)1,716,904 1,716,904 0 0.0%
Incl. MemUse (bytes) per call 15,194 15,194 0 0.0%
Excl. MemUse (bytes)-5,560 -5,560 0 0.0%
Incl. PeakMemUse (bytes)1,171,288 1,171,288 0 0.0%
Incl. PeakMemUse (bytes) per call 10,365 10,365 0 0.0%
Excl. PeakMemUse (bytes)7,568 7,568 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% -280 -35.9% -279 -36.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-22 -7.9% -8 -2.9% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% -208 -74.3% -215 -77.1% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -64 -22.9% -63 -22.6% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -18 -6.4% -11 -3.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 7 2.5% 7 2.5% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 1 0.4% 0 0.0% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 1 0.4% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 1 0.4% 0 0.0% 0 N/A% 0 N/A%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% 2 0.7% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 0 0.0% 1 0.4% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -178 -63.6% -178 -63.8% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -80 -28.6% -93 -33.3% 0 N/A% 0 N/A%