Diff Report
Run #51a5256dc4557: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a518f009231: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for class_exists

class_existsRun #51a5256dc4557Run #51a518f009231DiffDiff%
Number of Function Calls59 55 -4 -6.8%
Incl. Wall Time (microsec)3,804 3,968 164 4.3%
Incl. Wall Time (microsec) per call 64 72 8 11.9%
Excl. Wall Time (microsec)244 271 27 11.1%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 73 73 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)353,548 353,592 44 0.0%
Incl. MemUse (bytes) per call 5,992 6,429 437 7.3%
Excl. MemUse (bytes)1,144 1,144 0 0.0%
Incl. PeakMemUse (bytes)304,028 313,760 9,732 3.2%
Incl. PeakMemUse (bytes) per call 5,153 5,705 552 10.7%
Excl. PeakMemUse (bytes)2,884 3,260 376 13.0%

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_exists-4 -100.0% 164 4.7% 4,000 100.0% 44 0.1% 9,732 14.2%
Exclusive Metrics Diff for Current Function27 16.5% 0 0.0% 0 0.0% 376 3.9%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 77 47.0% 0 0.0% 44 100.0% 9,276 95.3%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 57 34.8% 4,000 100.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-5 -125.0% 31 18.9% 0 0.0% 0 0.0% 456 4.7%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -7 -4.3% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 4 2.4% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri1 25.0% 2 1.2% 0 0.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::classExists0 0.0% -1 -0.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 1 0.6% 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% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\ImageToolkitManager::getDefaultToolkit0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 79 48.2% 0 0.0% 44 100.0% 9,356 96.1%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 58 35.4% 4,000 100.0% 0 0.0% 0 0.0%