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

class_existsRun #51981beb768adRun #51981e3ae1e6cDiffDiff%
Number of Function Calls50 51 1 2.0%
Incl. Wall Time (microsec)15,003 14,831 -172 -1.1%
Incl. Wall Time (microsec) per call 300 291 -9 -3.1%
Excl. Wall Time (microsec)264 231 -33 -12.5%
Incl. CPU (microsecs)15,061 14,890 -171 -1.1%
Incl. CPU (microsecs) per call 301 292 -9 -3.1%
Excl. CPU (microsec)277 241 -36 -13.0%
Incl. MemUse (bytes)1,798,016 1,797,952 -64 -0.0%
Incl. MemUse (bytes) per call 35,960 35,254 -706 -2.0%
Excl. MemUse (bytes)-4,688 -4,688 0 0.0%
Incl. PeakMemUse (bytes)1,600,784 1,600,640 -144 -0.0%
Incl. PeakMemUse (bytes) per call 32,016 31,385 -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_exists1 100.0% -172 -139.8% -171 -32.1% -64 -0.2% -144 -0.5%
Exclusive Metrics Diff for Current Function-33 -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::loadTemplate1 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%