Diff Report
Run #51990c6b6ce43: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51990ceb6ce00: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51990c6b6ce43Run #51990ceb6ce00DiffDiff%
Number of Function Calls113 114 1 0.9%
Incl. Wall Time (microsec)12,216 12,382 166 1.4%
Incl. Wall Time (microsec) per call 108 109 1 0.5%
Excl. Wall Time (microsec)487 511 24 4.9%
Incl. CPU (microsecs)12,334 12,500 166 1.3%
Incl. CPU (microsecs) per call 109 110 0 0.5%
Excl. CPU (microsec)502 543 41 8.2%
Incl. MemUse (bytes)1,683,880 1,683,848 -32 -0.0%
Incl. MemUse (bytes) per call 14,902 14,771 -131 -0.9%
Excl. MemUse (bytes)-5,560 -5,560 0 0.0%
Incl. PeakMemUse (bytes)1,104,496 1,081,800 -22,696 -2.1%
Incl. PeakMemUse (bytes) per call 9,774 9,489 -285 -2.9%
Excl. PeakMemUse (bytes)7,520 7,408 -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% 166 36.9% 166 13.5% -32 -0.1% -22,696 -78.2%
Exclusive Metrics Diff for Current Function24 14.5% 41 24.7% 0 0.0% -112 -0.5%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 78 47.0% 71 42.8% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 38 22.9% 40 24.1% -8 -25.0% 40 0.2%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 33 19.9% 37 22.3% -24 -75.0% -22,736 -100.2%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 12 7.2% 12 7.2% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 4 2.4% 4 2.4% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 1 0.6% 1 0.6% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 0.6% 3 1.8% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -1 -0.6% -2 -1.2% 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%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 77 46.4% 65 39.2% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 65 39.2% 60 36.1% -32 -100.0% -22,584 -99.5%