Diff Report
Run #519ec94fa4daa: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ec8682c2dc: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #519ec94fa4daaRun #519ec8682c2dcDiffDiff%
Number of Function Calls388 380 -8 -2.1%
Incl. Wall Time (microsec)53,685 53,604 -81 -0.2%
Incl. Wall Time (microsec) per call 138 141 3 2.0%
Excl. Wall Time (microsec)1,445 1,399 -46 -3.2%
Incl. CPU (microsecs)54,001 53,927 -74 -0.1%
Incl. CPU (microsecs) per call 139 142 3 2.0%
Excl. CPU (microsec)1,529 1,477 -52 -3.4%
Incl. MemUse (bytes)618,216 617,400 -816 -0.1%
Incl. MemUse (bytes) per call 1,593 1,625 31 2.0%
Excl. MemUse (bytes)-14,544 -15,368 -824 -5.7%
Incl. PeakMemUse (bytes)472,144 470,200 -1,944 -0.4%
Incl. PeakMemUse (bytes) per call 1,217 1,237 21 1.7%
Excl. PeakMemUse (bytes)9,296 7,784 -1,512 -16.3%

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-8 -100.0% -81 -0.2% -74 -0.2% -816 -0.1% -1,944 -0.3%
Exclusive Metrics Diff for Current Function-46 -56.8% -52 -70.3% -824 -101.0% -1,512 -77.8%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -94 -116.0% -78 -105.4% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 22 27.2% 20 27.0% 8 1.0% -384 -19.8%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 18 22.2% 16 21.6% 0 0.0% -32 -1.6%
Drupal\Core\Database\Query\Select::extend0 0.0% -15 -18.5% -15 -20.3% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-8 -100.0% -12 -14.8% -17 -23.0% -808 -99.0% -728 -37.4%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% -2 -2.7% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 0 0.0% 0 0.0% 0 0.0% -784 -40.3%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -1.4% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 1.4% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 0 0.0% 1 1.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 0 0.0% 1 1.4% -16 -2.0% -16 -0.8%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -35 -43.2% -22 -29.7% 8 1.0% -432 -22.2%