Diff Report
Run #518ef09a47b3b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518eee9367b5d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #518ef09a47b3bRun #518eee9367b5dDiffDiff%
Number of Function Calls44 43 -1 -2.3%
Incl. Wall Time (microsec)3,006 2,999 -7 -0.2%
Incl. Wall Time (microsec) per call 68 70 1 2.1%
Excl. Wall Time (microsec)180 178 -2 -1.1%
Incl. CPU (microsecs)3,059 3,043 -16 -0.5%
Incl. CPU (microsecs) per call 70 71 1 1.8%
Excl. CPU (microsec)203 188 -15 -7.4%
Incl. MemUse (bytes)546,992 546,992 0 0.0%
Incl. MemUse (bytes) per call 12,432 12,721 289 2.3%
Excl. MemUse (bytes)-1,720 -1,720 0 0.0%
Incl. PeakMemUse (bytes)425,840 425,840 0 0.0%
Incl. PeakMemUse (bytes) per call 9,678 9,903 225 2.3%
Excl. PeakMemUse (bytes)8,272 8,272 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-1 -100.0% -7 -3.8% -16 -3.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -28.6% -15 -93.8% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -49 -700.0% -51 -318.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 33 471.4% 34 212.5% -8 N/A% -8 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 24 342.9% 15 93.8% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -17 -242.9% -15 -93.8% 8 N/A% 8 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 3 42.9% 4 25.0% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -14.3% -3 -18.8% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 6.2% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -6.2% 0 N/A% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -49 -700.0% -47 -293.8% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 44 628.6% 46 287.5% 0 N/A% 0 N/A%