Diff Report
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbcb7249d1: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519fbb3f5c2a0Run #519fbcb7249d1DiffDiff%
Number of Function Calls80 81 1 1.2%
Incl. Wall Time (microsec)16,762 16,925 163 1.0%
Incl. Wall Time (microsec) per call 210 209 -1 -0.3%
Excl. Wall Time (microsec)286 313 27 9.4%
Incl. CPU (microsecs)16,849 17,003 154 0.9%
Incl. CPU (microsecs) per call 211 210 -1 -0.3%
Excl. CPU (microsec)343 340 -3 -0.9%
Incl. MemUse (bytes)1,758,560 1,758,680 120 0.0%
Incl. MemUse (bytes) per call 21,982 21,712 -270 -1.2%
Excl. MemUse (bytes)-7,128 -7,128 0 0.0%
Incl. PeakMemUse (bytes)1,148,360 1,148,664 304 0.0%
Incl. PeakMemUse (bytes) per call 14,355 14,181 -173 -1.2%
Excl. PeakMemUse (bytes)10,448 10,448 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_exists1 100.0% 163 42.8% 154 48.1% 120 0.3% 304 0.7%
Exclusive Metrics Diff for Current Function27 16.6% -3 -1.9% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 97 59.5% 91 59.1% 72 60.0% 200 65.8%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 93 57.1% 93 60.4% 0 0.0% 56 18.4%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -51 -31.3% -51 -33.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 19 11.7% 16 10.4% 48 40.0% 48 15.8%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 2 1.2% 2 1.3% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 2 1.2% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 1 0.6% 2 1.3% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% -1 -0.6% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 3 1.9% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -0.6% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 136 83.4% 157 101.9% 120 100.0% 304 100.0%