Diff Report
Run #519c153c76aa0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c1681d41e5: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519c153c76aa0Run #519c1681d41e5DiffDiff%
Number of Function Calls140 141 1 0.7%
Incl. Wall Time (microsec)44,094 43,386 -708 -1.6%
Incl. Wall Time (microsec) per call 315 308 -7 -2.3%
Excl. Wall Time (microsec)454 444 -10 -2.2%
Incl. CPU (microsecs)44,206 43,491 -715 -1.6%
Incl. CPU (microsecs) per call 316 308 -7 -2.3%
Excl. CPU (microsec)526 509 -17 -3.2%
Incl. MemUse (bytes)8,405,368 8,405,448 80 0.0%
Incl. MemUse (bytes) per call 60,038 59,613 -425 -0.7%
Excl. MemUse (bytes)-9,680 -9,680 0 0.0%
Incl. PeakMemUse (bytes)8,763,944 8,757,656 -6,288 -0.1%
Incl. PeakMemUse (bytes) per call 62,600 62,111 -489 -0.8%
Excl. PeakMemUse (bytes)2,856 2,856 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% -708 -19.0% -715 -25.1% 80 0.1% -6,288 -10.9%
Exclusive Metrics Diff for Current Function-10 -1.4% -17 -2.4% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -521 -73.6% -528 -73.8% 16 20.0% 56 0.9%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -186 -26.3% -186 -26.0% 40 50.0% -6,408 -101.9%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -3 -0.4% -2 -0.3% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 2 0.3% 4 0.6% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 2 0.3% 1 0.1% 24 30.0% 64 1.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -2 -0.3% -3 -0.4% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% -4 -0.6% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 2 0.3% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 1 0.1% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -698 -98.6% -698 -97.6% 80 100.0% -6,288 -100.0%