Diff Report
Run #51981e3ae1e6c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51981e3ae1e6cRun #51981beb768adDiffDiff%
Number of Function Calls51 50 -1 -2.0%
Incl. Wall Time (microsec)14,831 15,003 172 1.2%
Incl. Wall Time (microsec) per call 291 300 9 3.2%
Excl. Wall Time (microsec)231 264 33 14.3%
Incl. CPU (microsecs)14,890 15,061 171 1.1%
Incl. CPU (microsecs) per call 292 301 9 3.2%
Excl. CPU (microsec)241 277 36 14.9%
Incl. MemUse (bytes)1,797,952 1,798,016 64 0.0%
Incl. MemUse (bytes) per call 35,254 35,960 706 2.0%
Excl. MemUse (bytes)-4,688 -4,688 0 0.0%
Incl. PeakMemUse (bytes)1,600,640 1,600,784 144 0.0%
Incl. PeakMemUse (bytes) per call 31,385 32,016 631 2.0%
Excl. PeakMemUse (bytes)6,824 6,824 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% 172 139.8% 171 32.1% 64 0.2% 144 0.5%
Exclusive Metrics Diff for Current Function33 19.2% 36 21.1% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 115 66.9% 109 63.7% -56 -87.5% -136 -94.4%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 59 34.3% 59 34.5% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 6 3.5% 10 5.8% -24 -37.5% -64 -44.4%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -4 -2.3% -6 -3.5% 144 225.0% 344 238.9%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -3 -1.7% 1 0.6% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -0.6% -3 -1.8% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 0.6% 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 functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 144 83.7% 138 80.7% 64 100.0% 144 100.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -5 -2.9% -3 -1.8% 0 0.0% 0 0.0%