Diff Report
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls189 38 -151 -79.9%
Incl. Wall Time (microsec)6,158 5,442 -716 -11.6%
Incl. Wall Time (microsec) per call 33 143 111 339.5%
Excl. Wall Time (microsec)609 138 -471 -77.3%
Incl. CPU (microsecs)6,357 5,475 -882 -13.9%
Incl. CPU (microsecs) per call 34 144 110 328.4%
Excl. CPU (microsec)779 153 -626 -80.4%
Incl. MemUse (bytes)560,488 483,680 -76,808 -13.7%
Incl. MemUse (bytes) per call 2,966 12,728 9,763 329.2%
Excl. MemUse (bytes)-256 -256 0 0.0%
Incl. PeakMemUse (bytes)461,664 411,784 -49,880 -10.8%
Incl. PeakMemUse (bytes) per call 2,443 10,836 8,394 343.6%
Excl. PeakMemUse (bytes)8,168 7,960 -208 -2.5%

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-151 -98.7% -716 -0.3% -882 -0.9% -76,808 -31.6% -49,880 -14.1%
Exclusive Metrics Diff for Current Function-471 -65.8% -626 -71.0% 0 0.0% -208 -0.4%
Parent functions
Drupal\Core\Database\Connection::getDriverClass-2 -1.3% -342 -47.8% -346 -39.2% -75,984 -98.9% -50,688 -101.6%
devel_watchdog-150 -99.3% -455 -63.5% -612 -69.4% -768 -1.0% -288 -0.6%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 62 8.7% 59 6.7% -40 -0.1% -40 -0.1%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 17 2.4% 14 1.6% -16 -0.0% 16 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 0.7% 1 0.1% 2 0.2% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -1 -0.1% -1 -0.1% 0 0.0% 1,120 2.2%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -0.1% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 2 0.3% 2 0.2% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 1 0.1% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass-2 -100.0% -245 -34.2% -256 -29.0% -76,808 -100.0% -49,672 -99.6%