Diff Report
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #51ec227a9cea0Run #51ec243650361DiffDiff%
Number of Function Calls632 633 1 0.2%
Incl. Wall Time (microsec)22,502 22,634 132 0.6%
Incl. Wall Time (microsec) per call 36 36 0 0.4%
Excl. Wall Time (microsec)1,389 1,408 19 1.4%
Incl. CPU (microsecs)23,006 23,205 199 0.9%
Incl. CPU (microsecs) per call 36 37 0 0.7%
Excl. CPU (microsec)1,720 1,798 78 4.5%
Incl. MemUse (bytes)2,130,160 2,134,240 4,080 0.2%
Incl. MemUse (bytes) per call 3,371 3,372 1 0.0%
Excl. MemUse (bytes)-16,104 -16,104 0 0.0%
Incl. PeakMemUse (bytes)1,486,448 1,485,584 -864 -0.1%
Incl. PeakMemUse (bytes) per call 2,352 2,347 -5 -0.2%
Excl. PeakMemUse (bytes)8,592 8,648 56 0.7%

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% 132 1.5% 199 3.0% 4,080 13.6% -864 -2.7%
Exclusive Metrics Diff for Current Function19 14.4% 78 39.2% 0 0.0% 56 6.5%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 97 73.5% 97 48.7% 4,048 99.2% 4,400 509.3%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 35 26.5% 36 18.1% -48 -1.2% -5,168 -598.1%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 7 5.3% 9 4.5% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% -5 -3.8% -2 -1.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::classExists0 0.0% -1 -0.8% 35 17.6% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% -1 -0.8% 17 8.5% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -1 -0.8% 2 1.0% 80 2.0% -128 -14.8%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 0.8% 3 1.5% 0 0.0% 88 10.2%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% 8 4.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 0 0.0% -5 -2.5% 0 0.0% -56 -6.5%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -0.5% 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% 114 86.4% 120 60.3% 4,080 100.0% -864 -100.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -1 -0.8% 1 0.5% 0 0.0% -56 -6.5%