Diff Report
Run #5178989df1d0f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517896dc57c6e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #5178989df1d0fRun #517896dc57c6eDiffDiff%
Number of Function Calls264 264 0 0.0%
Incl. Wall Time (microsec)29,177 29,371 194 0.7%
Incl. Wall Time (microsec) per call 111 111 1 0.7%
Excl. Wall Time (microsec)1,288 1,273 -15 -1.2%
Incl. CPU (microsecs)29,400 29,591 191 0.6%
Incl. CPU (microsecs) per call 111 112 1 0.6%
Excl. CPU (microsec)1,197 1,205 8 0.7%
Incl. MemUse (bytes)1,477,592 1,477,624 32 0.0%
Incl. MemUse (bytes) per call 5,597 5,597 0 0.0%
Excl. MemUse (bytes)-20,592 -20,592 0 0.0%
Incl. PeakMemUse (bytes)1,140,984 1,140,808 -176 -0.0%
Incl. PeakMemUse (bytes) per call 4,322 4,321 -1 -0.0%
Excl. PeakMemUse (bytes)9,992 9,936 -56 -0.6%

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_exists0 N/A% 194 4.8% 191 3.9% 32 0.5% -176 -3.0%
Exclusive Metrics Diff for Current Function-15 -7.7% 8 4.2% 0 0.0% -56 -31.8%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 73 37.6% 67 35.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 66 34.0% 68 35.6% -8 -25.0% -64 -36.4%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 64 33.0% 63 33.0% 32 100.0% -120 -68.2%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -9 -4.6% -10 -5.2% 8 25.0% 8 4.5%
_drupal_simpletest_conf_path0 N/A% 1 0.5% -2 -1.0% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% -1 -0.5% -2 -1.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% 5 2.6% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 1 0.5% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 0 0.0% 1 0.5% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 163 84.0% 154 80.6% 32 100.0% -120 -68.2%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 46 23.7% 29 15.2% 0 0.0% 0 0.0%