Diff Report
Run #519ede3a9dd65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519edf3566aae: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #519ede3a9dd65Run #519edf3566aaeDiffDiff%
Number of Function Calls253 260 7 2.8%
Incl. Wall Time (microsec)32,151 32,016 -135 -0.4%
Incl. Wall Time (microsec) per call 127 123 -4 -3.1%
Excl. Wall Time (microsec)866 886 20 2.3%
Incl. CPU (microsecs)32,378 32,239 -139 -0.4%
Incl. CPU (microsecs) per call 128 124 -4 -3.1%
Excl. CPU (microsec)963 964 1 0.1%
Incl. MemUse (bytes)620,288 620,296 8 0.0%
Incl. MemUse (bytes) per call 2,452 2,386 -66 -2.7%
Excl. MemUse (bytes)-8,064 -8,064 0 0.0%
Incl. PeakMemUse (bytes)475,224 475,696 472 0.1%
Incl. PeakMemUse (bytes) per call 1,878 1,830 -49 -2.6%
Excl. PeakMemUse (bytes)9,096 9,096 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_exists7 100.0% -135 -0.5% -139 -0.5% 8 0.0% 472 0.3%
Exclusive Metrics Diff for Current Function20 14.8% 1 0.7% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -155 -114.8% -163 -117.3% 0 0.0% -8 -1.7%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -22 -16.3% -34 -24.5% 8 100.0% 520 110.2%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 22 16.3% 28 20.1% 16 200.0% -24 -5.1%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 9 6.7% 9 6.5% -16 -200.0% -16 -3.4%
Drupal\Core\Template\TwigEnvironment::loadTemplate7 100.0% 9 6.7% 16 11.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::extend0 0.0% 3 2.2% 3 2.2% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -1 -0.7% -2 -1.4% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% 1 0.7% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 0 0.0% 2 1.4% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 0.7% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -155 -114.8% -140 -100.7% 8 100.0% 472 100.0%