Diff Report
Run #519eb486908e7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb57e9174a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519eb486908e7Run #519eb57e9174aDiffDiff%
Number of Function Calls265 273 8 3.0%
Incl. Wall Time (microsec)43,921 44,305 384 0.9%
Incl. Wall Time (microsec) per call 166 162 -3 -2.1%
Excl. Wall Time (microsec)1,077 1,106 29 2.7%
Incl. CPU (microsecs)44,200 44,618 418 0.9%
Incl. CPU (microsecs) per call 167 163 -3 -2.0%
Excl. CPU (microsec)1,232 1,297 65 5.3%
Incl. MemUse (bytes)1,201,392 1,209,584 8,192 0.7%
Incl. MemUse (bytes) per call 4,534 4,431 -103 -2.3%
Excl. MemUse (bytes)-8,444 -8,444 0 0.0%
Incl. PeakMemUse (bytes)953,828 984,112 30,284 3.2%
Incl. PeakMemUse (bytes) per call 3,599 3,605 5 0.2%
Excl. PeakMemUse (bytes)5,168 5,620 452 8.7%

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_exists8 100.0% 384 21.9% 418 21.7% 8,192 3.5% 30,284 19.4%
Exclusive Metrics Diff for Current Function29 7.6% 65 15.6% 0 0.0% 452 1.5%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 244 63.5% 255 61.0% 8,192 100.0% 17,480 57.7%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 100 26.0% 112 26.8% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 19 4.9% 24 5.7% -4 -0.0% 12,880 42.5%
Drupal\Core\Template\TwigEnvironment::loadTemplate8 100.0% 16 4.2% 27 6.5% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 10 2.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -9 -2.3% -9 -2.2% 4 0.0% -76 -0.3%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 2 0.5% 4 1.0% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 1 0.3% 4 1.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 1 0.3% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 0.2% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 355 92.4% 353 84.4% 8,192 100.0% 29,832 98.5%