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

class_existsRun #519e636f9416aRun #519e62c02d767DiffDiff%
Number of Function Calls274 273 -1 -0.4%
Incl. Wall Time (microsec)18,039 18,004 -35 -0.2%
Incl. Wall Time (microsec) per call 66 66 0 0.2%
Excl. Wall Time (microsec)888 887 -1 -0.1%
Incl. CPU (microsecs)18,300 18,262 -38 -0.2%
Incl. CPU (microsecs) per call 67 67 0 0.2%
Excl. CPU (microsec)1,015 988 -27 -2.7%
Incl. MemUse (bytes)1,942,328 1,942,296 -32 -0.0%
Incl. MemUse (bytes) per call 7,089 7,115 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 4,082 4,097 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_exists-1 -100.0% -35 -0.2% -38 -0.3% -32 -0.1% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -2.9% -27 -71.1% 0 0.0% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -54 -154.3% -55 -144.7% 0 0.0% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 46 131.4% 40 105.3% 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\Config\Context\ConfigContextFactory::get0 0.0% 7 20.0% 8 21.1% 0 0.0% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -2.9% -2 -5.3% 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\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -1 -2.9% -7 -18.4% -32 -100.0% 0 N/A%
_drupal_simpletest_conf_path0 0.0% -1 -2.9% 0 0.0% 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%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -2 -5.3% 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%