Diff Report
Run #5198f7eab7067: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5198f92a4c3fa: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for class_exists

class_existsRun #5198f7eab7067Run #5198f92a4c3faDiffDiff%
Number of Function Calls285 285 0 0.0%
Incl. Wall Time (microsec)139,643 137,893 -1,750 -1.3%
Incl. Wall Time (microsec) per call 490 484 -6 -1.3%
Excl. Wall Time (microsec)2,203 2,226 23 1.0%
Incl. CPU (microsecs)112,005 120,006 8,001 7.1%
Incl. CPU (microsecs) per call 393 421 28 7.1%
Excl. CPU (microsec)4,000 4,000 0 0.0%
Incl. MemUse (bytes)10,062,880 10,062,880 0 0.0%
Incl. MemUse (bytes) per call 35,308 35,308 0 0.0%
Excl. MemUse (bytes)-18,032 -18,032 0 0.0%
Incl. PeakMemUse (bytes)9,820,264 9,820,264 0 0.0%
Incl. PeakMemUse (bytes) per call 34,457 34,457 0 0.0%
Excl. PeakMemUse (bytes)7,456 7,456 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% -1,750 -172.8% 8,001 N/A% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function23 1.3% 0 0.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -2,183 -124.7% 20,001 250.0% 0 N/A% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 613 35.0% -12,001 -150.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -197 -11.3% 1 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 12 0.7% 0 0.0% 0 N/A% 0 N/A%
file_stream_wrapper_valid_scheme0 N/A% 2 0.1% -4,000 -50.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 2 0.1% 0 0.0% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% -1 -0.1% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 1 0.1% 0 0.0% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 1 0.1% 4,000 50.0% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -1,773 -101.3% 8,001 100.0% 0 N/A% 0 N/A%