Diff Report
Run #519d9d94433aa: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519d9d94433aaRun #519d9cf28420eDiffDiff%
Number of Function Calls189 188 -1 -0.5%
Incl. Wall Time (microsec)46,180 45,974 -206 -0.4%
Incl. Wall Time (microsec) per call 244 245 0 0.1%
Excl. Wall Time (microsec)560 559 -1 -0.2%
Incl. CPU (microsecs)46,316 46,106 -210 -0.5%
Incl. CPU (microsecs) per call 245 245 0 0.1%
Excl. CPU (microsec)638 650 12 1.9%
Incl. MemUse (bytes)8,768,456 8,768,888 432 0.0%
Incl. MemUse (bytes) per call 46,394 46,643 249 0.5%
Excl. MemUse (bytes)-10,504 -10,504 0 0.0%
Incl. PeakMemUse (bytes)8,753,392 8,747,232 -6,160 -0.1%
Incl. PeakMemUse (bytes) per call 46,314 46,528 214 0.5%
Excl. PeakMemUse (bytes)3,328 3,480 152 4.6%

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% -206 -8.2% -210 -22.2% 432 0.6% -6,160 -8.6%
Exclusive Metrics Diff for Current Function-1 -0.5% 12 5.7% 0 0.0% 152 2.5%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -202 -98.1% -206 -98.1% 576 133.3% -7,120 -115.6%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 56 27.2% 63 30.0% 24 5.6% 216 3.5%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -56 -27.2% -60 -28.6% -168 -38.9% -8 -0.1%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -2 -1.0% -4 -1.9% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -2 -1.0% -2 -1.0% 0 0.0% 600 9.7%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% 4 1.9% 0 0.0% 792 12.9%
file_stream_wrapper_valid_scheme0 0.0% 0 0.0% -2 -1.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::classExists0 0.0% 0 0.0% -4 -1.9% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 2 1.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 0 0.0% -1 -0.5% 0 0.0% -640 -10.4%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -205 -99.5% -222 -105.7% 432 100.0% -6,312 -102.5%