Diff Report
Run #51904f8640386: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519050cbdc201: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51904f8640386Run #519050cbdc201DiffDiff%
Number of Function Calls47 48 1 2.1%
Incl. Wall Time (microsec)3,731 3,852 121 3.2%
Incl. Wall Time (microsec) per call 79 80 1 1.1%
Excl. Wall Time (microsec)179 213 34 19.0%
Incl. CPU (microsecs)3,783 3,891 108 2.9%
Incl. CPU (microsecs) per call 80 81 1 0.7%
Excl. CPU (microsec)199 227 28 14.1%
Incl. MemUse (bytes)581,712 581,696 -16 -0.0%
Incl. MemUse (bytes) per call 12,377 12,119 -258 -2.1%
Excl. MemUse (bytes)-160 -160 0 0.0%
Incl. PeakMemUse (bytes)500,072 499,976 -96 -0.0%
Incl. PeakMemUse (bytes) per call 10,640 10,416 -224 -2.1%
Excl. PeakMemUse (bytes)9,672 9,592 -80 -0.8%

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% 121 10.8% 108 6.9% -16 -0.0% -96 -0.1%
Exclusive Metrics Diff for Current Function34 28.1% 28 25.9% 0 0.0% -80 -83.3%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 52 43.0% 36 33.3% -16 -100.0% -96 -100.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 40 33.1% 37 34.3% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 16 13.2% 21 19.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 10 8.3% 10 9.3% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 0.8% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 1 0.8% 3 2.8% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 1 0.8% 2 1.9% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -0.9% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 67 55.4% 59 54.6% -16 -100.0% -16 -16.7%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 20 16.5% 21 19.4% 0 0.0% 0 0.0%