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

class_existsRun #51a518f009231Run #51a5256dc4557DiffDiff%
Number of Function Calls55 59 4 7.3%
Incl. Wall Time (microsec)3,968 3,804 -164 -4.1%
Incl. Wall Time (microsec) per call 72 64 -8 -10.6%
Excl. Wall Time (microsec)271 244 -27 -10.0%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 73 0 -73 -100.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)353,592 353,548 -44 -0.0%
Incl. MemUse (bytes) per call 6,429 5,992 -437 -6.8%
Excl. MemUse (bytes)1,144 1,144 0 0.0%
Incl. PeakMemUse (bytes)313,760 304,028 -9,732 -3.1%
Incl. PeakMemUse (bytes) per call 5,705 5,153 -552 -9.7%
Excl. PeakMemUse (bytes)3,260 2,884 -376 -11.5%

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_exists4 100.0% -164 -4.7% -4,000 -100.0% -44 -0.1% -9,732 -14.2%
Exclusive Metrics Diff for Current Function-27 -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::loadTemplate5 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_uri-1 -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%