Diff Report
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e636f9416a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519e62c02d767Run #519e636f9416aDiffDiff%
Number of Function Calls273 274 1 0.4%
Incl. Wall Time (microsec)18,004 18,039 35 0.2%
Incl. Wall Time (microsec) per call 66 66 -0 -0.2%
Excl. Wall Time (microsec)887 888 1 0.1%
Incl. CPU (microsecs)18,262 18,300 38 0.2%
Incl. CPU (microsecs) per call 67 67 -0 -0.2%
Excl. CPU (microsec)988 1,015 27 2.7%
Incl. MemUse (bytes)1,942,296 1,942,328 32 0.0%
Incl. MemUse (bytes) per call 7,115 7,089 -26 -0.4%
Excl. MemUse (bytes)-14,568 -14,568 0 0.0%
Incl. PeakMemUse (bytes)1,118,488 1,118,488 0 0.0%
Incl. PeakMemUse (bytes) per call 4,097 4,082 -15 -0.4%
Excl. PeakMemUse (bytes)9,096 9,096 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_exists1 100.0% 35 0.2% 38 0.3% 32 0.1% 0 0.0%
Exclusive Metrics Diff for Current Function1 2.9% 27 71.1% 0 0.0% 0 N/A%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -46 -131.4% -40 -105.3% 0 0.0% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 1 2.9% 7 18.4% 32 100.0% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -7 -20.0% -8 -21.1% 0 0.0% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 30 85.7% 30 78.9% 0 0.0% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 2 5.3% 0 0.0% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 54 154.3% 55 144.7% 0 0.0% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 2.9% 2 5.3% 0 0.0% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% -3 -7.9% 0 0.0% 0 N/A%
file_stream_wrapper_valid_scheme0 0.0% 1 2.9% -7 -18.4% 0 0.0% 0 N/A%
_drupal_simpletest_conf_path0 0.0% 1 2.9% 0 0.0% 0 0.0% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 83 237.1% 63 165.8% 32 100.0% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -49 -140.0% -52 -136.8% 0 0.0% 0 N/A%