Diff Report
Run #517dc23f63001: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #517dc41118628: XHProf Run (Namespace=drupal-perf-fabianx)
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Regression/Improvement summary for class_exists

class_existsRun #517dc23f63001Run #517dc41118628DiffDiff%
Number of Function Calls240 268 28 11.7%
Incl. Wall Time (microsec)14,609 14,670 61 0.4%
Incl. Wall Time (microsec) per call 61 55 -6 -10.1%
Excl. Wall Time (microsec)764 802 38 5.0%
Incl. CPU (microsecs)4,000 16,000 12,000 300.0%
Incl. CPU (microsecs) per call 17 60 43 258.2%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)2,217,600 2,217,664 64 0.0%
Incl. MemUse (bytes) per call 9,240 8,275 -965 -10.4%
Excl. MemUse (bytes)-18,376 -18,376 0 0.0%
Incl. PeakMemUse (bytes)1,760,336 1,757,400 -2,936 -0.2%
Incl. PeakMemUse (bytes) per call 7,335 6,557 -777 -10.6%
Excl. PeakMemUse (bytes)13,464 13,752 288 2.1%

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_exists28 100.0% 61 0.1% 12,000 23.1% 64 0.0% -2,936 -0.2%
Exclusive Metrics Diff for Current Function38 62.3% 0 0.0% 0 0.0% 288 9.8%
Parent functions
devel_watchdog0 0.0% 0 0.0% 0 0.0% 0 0.0% 152 5.2%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 18 29.5% 12,000 100.0% 0 0.0% -144 -4.9%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 9 14.8% 0 0.0% 32 50.0% -9,760 -332.4%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 0 0.0% 0 0.0% 80 125.0% -280 -9.5%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 6 9.8% 0 0.0% -48 -75.0% 7,328 249.6%
Drupal\Core\Template\TwigEnvironment::loadTemplate28 100.0% 28 45.9% 0 0.0% 0 0.0% -232 -7.9%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 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%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 61 100.0% 0 0.0% 64 100.0% -3,080 -104.9%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -38 -62.3% 12,000 100.0% 0 0.0% -144 -4.9%