Diff Report
Run #519a6b3fa9c9c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519a6f8ea14bd: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #519a6b3fa9c9cRun #519a6f8ea14bdDiffDiff%
Number of Function Calls113 114 1 0.9%
Incl. Wall Time (microsec)13,265 12,606 -659 -5.0%
Incl. Wall Time (microsec) per call 117 111 -7 -5.8%
Excl. Wall Time (microsec)522 497 -25 -4.8%
Incl. CPU (microsecs)13,382 12,729 -653 -4.9%
Incl. CPU (microsecs) per call 118 112 -7 -5.7%
Excl. CPU (microsec)540 525 -15 -2.8%
Incl. MemUse (bytes)1,716,904 1,684,080 -32,824 -1.9%
Incl. MemUse (bytes) per call 15,194 14,773 -421 -2.8%
Excl. MemUse (bytes)-5,560 -5,560 0 0.0%
Incl. PeakMemUse (bytes)1,171,288 1,083,264 -88,024 -7.5%
Incl. PeakMemUse (bytes) per call 10,365 9,502 -863 -8.3%
Excl. PeakMemUse (bytes)7,568 7,456 -112 -1.5%

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_exists1 100.0% -659 -55.5% -653 -56.3% -32,824 -110.1% -88,024 -301.9%
Exclusive Metrics Diff for Current Function-25 -3.8% -15 -2.3% 0 0.0% -112 -0.1%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -509 -77.2% -501 -76.7% -32,760 -99.8% -87,920 -99.9%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -103 -15.6% -104 -15.9% -56 -0.2% -8 -0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -56 -8.5% -62 -9.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 5 0.8% 6 0.9% -8 -0.0% -96 -0.1%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 2 0.3% 4 0.6% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% -1 -0.2% 3 0.5% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 1 0.2% 1 0.2% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 1 0.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 1 0.2% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -590 -89.5% -592 -90.7% -32,824 -100.0% -87,912 -99.9%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -44 -6.7% -46 -7.0% 0 0.0% 0 0.0%