Diff Report
Run #519afb4e24ae7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519afa8ec2e5c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #519afb4e24ae7Run #519afa8ec2e5cDiffDiff%
Number of Function Calls79 78 -1 -1.3%
Incl. Wall Time (microsec)50,174 50,170 -4 -0.0%
Incl. Wall Time (microsec) per call 635 643 8 1.3%
Excl. Wall Time (microsec)445 441 -4 -0.9%
Incl. CPU (microsecs)50,272 50,260 -12 -0.0%
Incl. CPU (microsecs) per call 636 644 8 1.3%
Excl. CPU (microsec)483 473 -10 -2.1%
Incl. MemUse (bytes)5,514,560 5,513,992 -568 -0.0%
Incl. MemUse (bytes) per call 69,805 70,692 888 1.3%
Excl. MemUse (bytes)-6,968 -6,968 0 0.0%
Incl. PeakMemUse (bytes)4,818,072 4,817,496 -576 -0.0%
Incl. PeakMemUse (bytes) per call 60,988 61,763 775 1.3%
Excl. PeakMemUse (bytes)7,128 7,200 72 1.0%

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_exists-1 -100.0% -4 -0.4% -12 -0.8% -568 -1.1% -576 -1.1%
Exclusive Metrics Diff for Current Function-4 -100.0% -10 -83.3% 0 0.0% 72 12.5%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 203 5075.0% 205 1708.3% -224 -39.4% -208 -36.1%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -116 -2900.0% -126 -1050.0% -424 -74.6% -400 -69.4%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -96 -2400.0% -95 -791.7% 88 15.5% -8 -1.4%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 19 475.0% 18 150.0% -8 -1.4% -32 -5.6%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -15 -375.0% -19 -158.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::extend0 0.0% 4 100.0% 5 41.7% 0 0.0% 72 12.5%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -3 -75.0% -2 -16.7% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 0 0.0% -2 -16.7% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% 2 16.7% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 2 16.7% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 0 0.0% -2 -16.7% -568 -100.0% -648 -112.5%