Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #51ec3b81ad265Run #51ec3c5ab9ae4DiffDiff%
Number of Function Calls72 73 1 1.4%
Incl. Wall Time (microsec)7,817 7,716 -101 -1.3%
Incl. Wall Time (microsec) per call 109 106 -3 -2.6%
Excl. Wall Time (microsec)261 251 -10 -3.8%
Incl. CPU (microsecs)7,885 7,785 -100 -1.3%
Incl. CPU (microsecs) per call 110 107 -3 -2.6%
Excl. CPU (microsec)295 288 -7 -2.4%
Incl. MemUse (bytes)1,961,464 1,961,392 -72 -0.0%
Incl. MemUse (bytes) per call 27,243 26,868 -374 -1.4%
Excl. MemUse (bytes)-4,792 -4,792 0 0.0%
Incl. PeakMemUse (bytes)1,579,928 1,579,712 -216 -0.0%
Incl. PeakMemUse (bytes) per call 21,943 21,640 -304 -1.4%
Excl. PeakMemUse (bytes)8,512 8,512 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% -101 -27.0% -100 -9.4% -72 -0.2% -216 -0.6%
Exclusive Metrics Diff for Current Function-10 -9.9% -7 -7.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 1.0% 1 1.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -1 -1.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -98 -97.0% -86 -86.0% -88 -122.2% -248 -114.8%
Doctrine\Common\Annotations\DocParser::classExists0 0.0% 0 0.0% -3 -3.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 27 26.7% 26 26.0% 16 22.2% 32 14.8%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -23 -22.8% -30 -30.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -1.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -6 -5.9% -6 -6.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% -1 -1.0% -1 -1.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 0 0.0% 1 1.0% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -91 -90.1% -94 -94.0% -72 -100.0% -216 -100.0%