Diff Report
Run #51904f8640386: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519050b464828: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51904f8640386Run #519050b464828DiffDiff%
Number of Function Calls47 47 0 0.0%
Incl. Wall Time (microsec)3,731 3,801 70 1.9%
Incl. Wall Time (microsec) per call 79 81 1 1.9%
Excl. Wall Time (microsec)179 181 2 1.1%
Incl. CPU (microsecs)3,783 3,850 67 1.8%
Incl. CPU (microsecs) per call 80 82 1 1.8%
Excl. CPU (microsec)199 195 -4 -2.0%
Incl. MemUse (bytes)581,712 581,712 0 0.0%
Incl. MemUse (bytes) per call 12,377 12,377 0 0.0%
Excl. MemUse (bytes)-160 -160 0 0.0%
Incl. PeakMemUse (bytes)500,072 500,072 0 0.0%
Incl. PeakMemUse (bytes) per call 10,640 10,640 0 0.0%
Excl. PeakMemUse (bytes)9,672 9,672 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% 70 76.1% 67 13.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 2.9% -4 -6.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 34 48.6% 34 50.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 33 47.1% 33 49.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 2 2.9% -1 -1.5% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 1 1.4% 2 3.0% 0 N/A% 0 N/A%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% -2 -3.0% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% 1 1.5% 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%
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% -1 -1.5% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 0 0.0% 1 1.5% 0 N/A% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 66 94.3% 69 103.0% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 2 2.9% 2 3.0% 0 N/A% 0 N/A%