Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls189 37 -152 -80.4%
Incl. Wall Time (microsec)7,390 5,867 -1,523 -20.6%
Incl. Wall Time (microsec) per call 39 159 119 305.5%
Excl. Wall Time (microsec)643 142 -501 -77.9%
Incl. CPU (microsecs)7,578 5,910 -1,668 -22.0%
Incl. CPU (microsecs) per call 40 160 120 298.4%
Excl. CPU (microsec)808 163 -645 -79.8%
Incl. MemUse (bytes)661,496 483,696 -177,800 -26.9%
Incl. MemUse (bytes) per call 3,500 13,073 9,573 273.5%
Excl. MemUse (bytes)-256 -256 0 0.0%
Incl. PeakMemUse (bytes)564,648 413,192 -151,456 -26.8%
Incl. PeakMemUse (bytes) per call 2,988 11,167 8,180 273.8%
Excl. PeakMemUse (bytes)8,024 8,096 72 0.9%

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-152 -98.7% -1,523 -0.5% -1,668 -1.4% -177,800 -40.0% -151,456 -26.6%
Exclusive Metrics Diff for Current Function-501 -32.9% -645 -38.7% 0 0.0% 72 0.0%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -1,198 -78.7% -1,200 -71.9% -100,992 -56.8% -102,160 -67.5%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 557 36.6% 562 33.7% -16 -0.0% -16 -0.0%
devel_watchdog-150 -98.7% -484 -31.8% -628 -37.6% -768 -0.4% -264 -0.2%
Drupal\Core\Database\Connection::getDriverClass-2 -1.3% -432 -28.4% -436 -26.1% -76,024 -42.8% -50,840 -33.6%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 37 2.4% 39 2.3% 0 0.0% 1,664 1.1%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -3 -0.2% -2 -0.1% 0 0.0% 160 0.1%
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%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 0.0% 0 0.0% -3 -0.2% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass-2 -100.0% -1,022 -67.1% -1,023 -61.3% -177,800 -100.0% -151,528 -100.0%