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

class_existsRun #519a6c2cb620cRun #519a6b3fa9c9cDiffDiff%
Number of Function Calls113 113 0 0.0%
Incl. Wall Time (microsec)12,985 13,265 280 2.2%
Incl. Wall Time (microsec) per call 115 117 2 2.2%
Excl. Wall Time (microsec)500 522 22 4.4%
Incl. CPU (microsecs)13,103 13,382 279 2.1%
Incl. CPU (microsecs) per call 116 118 2 2.1%
Excl. CPU (microsec)532 540 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 Function22 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%