Diff Report
Run #519ff7de62889: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519ff7de62889Run #519ff693b4ca2DiffDiff%
Number of Function Calls61 59 -2 -3.3%
Incl. Wall Time (microsec)12,017 12,019 2 0.0%
Incl. Wall Time (microsec) per call 197 204 7 3.4%
Excl. Wall Time (microsec)322 318 -4 -1.2%
Incl. CPU (microsecs)12,091 12,089 -2 -0.0%
Incl. CPU (microsecs) per call 198 205 7 3.4%
Excl. CPU (microsec)358 353 -5 -1.4%
Incl. MemUse (bytes)575,688 575,624 -64 -0.0%
Incl. MemUse (bytes) per call 9,438 9,756 319 3.4%
Excl. MemUse (bytes)-2,400 -2,400 0 0.0%
Incl. PeakMemUse (bytes)484,672 485,296 624 0.1%
Incl. PeakMemUse (bytes) per call 7,945 8,225 280 3.5%
Excl. PeakMemUse (bytes)9,056 9,056 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-2 -100.0% 2 0.2% -2 -0.2% -64 -0.1% 624 0.9%
Exclusive Metrics Diff for Current Function-4 -200.0% -5 -250.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::getDriverClass0 0.0% 22 1100.0% 21 1050.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -13 -650.0% -12 -600.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -10 -500.0% -12 -600.0% -32 -50.0% 656 105.1%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 5 250.0% 8 400.0% -32 -50.0% -32 -5.1%
Drupal\Core\Template\TwigEnvironment::loadTemplate-2 -100.0% -4 -200.0% -5 -250.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::extend0 0.0% 1 50.0% -1 -50.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 1 50.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -50.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 6 300.0% 3 150.0% -64 -100.0% 624 100.0%