Diff Report
Run #5190217a23e77: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #5190217a23e77Run #51901ff69a8a6DiffDiff%
Number of Function Calls72 71 -1 -1.4%
Incl. Wall Time (microsec)18,835 18,579 -256 -1.4%
Incl. Wall Time (microsec) per call 262 262 0 0.0%
Excl. Wall Time (microsec)313 333 20 6.4%
Incl. CPU (microsecs)18,918 18,656 -262 -1.4%
Incl. CPU (microsecs) per call 263 263 0 0.0%
Excl. CPU (microsec)339 344 5 1.5%
Incl. MemUse (bytes)3,099,584 3,099,424 -160 -0.0%
Incl. MemUse (bytes) per call 43,050 43,654 604 1.4%
Excl. MemUse (bytes)-8,992 -8,992 0 0.0%
Incl. PeakMemUse (bytes)2,781,256 2,781,456 200 0.0%
Incl. PeakMemUse (bytes) per call 38,629 39,175 547 1.4%
Excl. PeakMemUse (bytes)8,512 8,512 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% -256 -121.3% -262 -4366.7% -160 -0.6% 200 0.9%
Exclusive Metrics Diff for Current Function20 7.8% 5 1.9% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -137 -53.5% -140 -53.4% -152 -95.0% 224 112.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -92 -35.9% -89 -34.0% 0 0.0% -16 -8.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -23 -9.0% -22 -8.4% -8 -5.0% -8 -4.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -2 -0.8% -2 -0.8% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -2 -0.8% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -0.4% -4 -1.5% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 1 0.4% -1 -0.4% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -4 -1.5% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -274 -107.0% -267 -101.9% -160 -100.0% 200 100.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -2 -0.8% 0 0.0% 0 0.0% 0 0.0%