Diff Report
Run #519c6200dd578: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c60f26cf68: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519c6200dd578Run #519c60f26cf68DiffDiff%
Number of Function Calls198 197 -1 -0.5%
Incl. Wall Time (microsec)42,423 41,725 -698 -1.6%
Incl. Wall Time (microsec) per call 214 212 -2 -1.1%
Excl. Wall Time (microsec)988 978 -10 -1.0%
Incl. CPU (microsecs)42,659 41,917 -742 -1.7%
Incl. CPU (microsecs) per call 215 213 -3 -1.2%
Excl. CPU (microsec)1,107 1,057 -50 -4.5%
Incl. MemUse (bytes)1,296,032 1,295,588 -444 -0.0%
Incl. MemUse (bytes) per call 6,546 6,577 31 0.5%
Excl. MemUse (bytes)-10,204 -10,660 -456 -4.5%
Incl. PeakMemUse (bytes)927,276 926,776 -500 -0.1%
Incl. PeakMemUse (bytes) per call 4,683 4,704 21 0.5%
Excl. PeakMemUse (bytes)5,568 5,112 -456 -8.2%

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% -698 -10.1% -742 -10.5% -444 -0.2% -500 -0.2%
Exclusive Metrics Diff for Current Function-10 -1.4% -50 -6.7% -456 -102.7% -456 -91.2%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -681 -97.6% -682 -91.9% 12 2.7% -72 -14.4%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 35 5.0% 11 1.5% 0 0.0% 28 5.6%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -34 -4.9% -39 -5.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -14 -2.0% -14 -1.9% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -2 -0.3% -4 -0.5% -456 -102.7% -456 -91.2%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -1 -0.1% -1 -0.1% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% -1 -0.1% -3 -0.4% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% -9 -1.2% 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% -688 -98.6% -692 -93.3% 12 2.7% -44 -8.8%