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

class_existsRun #5196ef15c751eRun #5196f0780fa8cDiffDiff%
Number of Function Calls39 40 1 2.6%
Incl. Wall Time (microsec)231,175 686,827 455,652 197.1%
Incl. Wall Time (microsec) per call 5,928 17,171 11,243 189.7%
Excl. Wall Time (microsec)1,400 4,309 2,909 207.8%
Incl. CPU (microsecs)56,005 68,003 11,998 21.4%
Incl. CPU (microsecs) per call 1,436 1,700 264 18.4%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)8,366,248 8,367,376 1,128 0.0%
Incl. MemUse (bytes) per call 214,519 209,184 -5,335 -2.5%
Excl. MemUse (bytes)-7,568 -6,440 1,128 14.9%
Incl. PeakMemUse (bytes)7,996,064 7,996,064 0 0.0%
Incl. PeakMemUse (bytes) per call 205,027 199,902 -5,126 -2.5%
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_exists1 100.0% 455,652 7.1% 11,998 60.0% 1,128 0.1% 0 0.0%
Exclusive Metrics Diff for Current Function2,909 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::loadTemplate1 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%