Diff Report
Run #51a448a326782: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a4463d308ce: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for class_exists

class_existsRun #51a448a326782Run #51a4463d308ceDiffDiff%
Number of Function Calls51 47 -4 -7.8%
Incl. Wall Time (microsec)5,498 5,340 -158 -2.9%
Incl. Wall Time (microsec) per call 108 114 6 5.4%
Excl. Wall Time (microsec)295 270 -25 -8.5%
Incl. CPU (microsecs)16,001 4,001 -12,000 -75.0%
Incl. CPU (microsecs) per call 314 85 -229 -72.9%
Excl. CPU (microsec)0 4,001 4,001 N/A%
Incl. MemUse (bytes)442,196 442,172 -24 -0.0%
Incl. MemUse (bytes) per call 8,671 9,408 737 8.5%
Excl. MemUse (bytes)-1,076 -1,076 0 0.0%
Incl. PeakMemUse (bytes)354,632 354,520 -112 -0.0%
Incl. PeakMemUse (bytes) per call 6,954 7,543 589 8.5%
Excl. PeakMemUse (bytes)4,060 4,060 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_exists-4 -100.0% -158 -1.0% -12,000 -150.0% -24 -0.0% -112 -0.1%
Exclusive Metrics Diff for Current Function-25 -15.8% 4,001 33.3% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -139 -88.0% -3,999 -33.3% -24 -100.0% -72 -64.3%
Drupal\Core\Template\TwigEnvironment::loadTemplate-4 -100.0% -15 -9.5% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 8 5.1% -4,000 -33.3% 0 0.0% -40 -35.7%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -7 -4.4% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -3 -1.9% -4,001 -33.3% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% -2 -1.3% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -1 -0.6% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 1 0.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -143 -90.5% -12,001 -100.0% -24 -100.0% -92 -82.1%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 10 6.3% -4,000 -33.3% 0 0.0% -20 -17.9%