Diff Report
Run #5196f0780fa8c: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5196ef15c751e: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for class_exists

class_existsRun #5196f0780fa8cRun #5196ef15c751eDiffDiff%
Number of Function Calls40 39 -1 -2.5%
Incl. Wall Time (microsec)686,827 231,175 -455,652 -66.3%
Incl. Wall Time (microsec) per call 17,171 5,928 -11,243 -65.5%
Excl. Wall Time (microsec)4,309 1,400 -2,909 -67.5%
Incl. CPU (microsecs)68,003 56,005 -11,998 -17.6%
Incl. CPU (microsecs) per call 1,700 1,436 -264 -15.5%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)8,367,376 8,366,248 -1,128 -0.0%
Incl. MemUse (bytes) per call 209,184 214,519 5,335 2.6%
Excl. MemUse (bytes)-6,440 -7,568 -1,128 -17.5%
Incl. PeakMemUse (bytes)7,996,064 7,996,064 0 0.0%
Incl. PeakMemUse (bytes) per call 199,902 205,027 5,126 2.6%
Excl. PeakMemUse (bytes)3,888 3,888 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% -455,652 -7.1% -11,998 -60.0% -1,128 -0.1% 0 0.0%
Exclusive Metrics Diff for Current Function-2,909 -0.6% 0 0.0% -1,128 -100.0% 0 N/A%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -333,314 -73.2% -8,000 -66.7% 0 0.0% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -83,883 -18.4% -3,998 -33.3% 0 0.0% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -29,410 -6.5% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -5,418 -1.2% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -3,462 -0.8% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% -74 -0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -56 -0.0% 0 0.0% -1,128 -100.0% 0 N/A%
_drupal_simpletest_conf_path0 0.0% -35 -0.0% 0 0.0% 0 0.0% 0 N/A%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -452,743 -99.4% -11,998 -100.0% 0 0.0% 0 N/A%