Diff Report
Run #51ba946b609ed: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51ba929760d1b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51ba946b609edRun #51ba929760d1bDiffDiff%
Number of Function Calls45 45 0 0.0%
Incl. Wall Time (microsec)12,667 11,686 -981 -7.7%
Incl. Wall Time (microsec) per call 281 260 -22 -7.7%
Excl. Wall Time (microsec)135 125 -10 -7.4%
Incl. CPU (microsecs)12,723 11,740 -983 -7.7%
Incl. CPU (microsecs) per call 283 261 -22 -7.7%
Excl. CPU (microsec)167 161 -6 -3.6%
Incl. MemUse (bytes)1,128,944 1,083,448 -45,496 -4.0%
Incl. MemUse (bytes) per call 25,088 24,077 -1,011 -4.0%
Excl. MemUse (bytes)4,072 4,112 40 1.0%
Incl. PeakMemUse (bytes)103,504 808,728 705,224 681.3%
Incl. PeakMemUse (bytes) per call 2,300 17,972 15,672 681.3%
Excl. PeakMemUse (bytes)3,096 3,696 600 19.4%

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_exists0 N/A% -981 -0.1% -983 -0.1% -45,496 -0.3% 705,224 2.9%
Exclusive Metrics Diff for Current Function-10 -1.0% -6 -0.6% 40 0.1% 600 0.1%
Parent functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -431 -43.9% -431 -43.8% -10,784 -23.7% 303,680 43.1%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -270 -27.5% -272 -27.7% -5,416 -11.9% 358,336 50.8%
Drupal\Core\Controller\HtmlFormController::getFormObject0 N/A% -154 -15.7% -154 -15.7% -28,224 -62.0% -40,512 -5.7%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -131 -13.4% -133 -13.5% -1,072 -2.4% 83,968 11.9%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% 7 0.7% 6 0.6% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% -2 -0.2% -2 -0.2% 0 0.0% -248 -0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 1 0.1% 0 0.0% 0 0.0% 0 0.0%
PHPUnit_Framework_TestSuite::__construct@10 N/A% -1 -0.1% 2 0.2% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% -1 -0.1% 0 0.0% 0 0.0%
PHPUnit_Framework_TestSuite::__construct0 N/A% 0 0.0% -1 -0.1% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 2 0.2% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 1 0.1% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -971 -99.0% -977 -99.4% -45,536 -100.1% 704,624 99.9%