Diff Report
Run #518fbd1297c93: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #518fbd1297c93Run #518fb7370421eDiffDiff%
Number of Function Calls47 45 -2 -4.3%
Incl. Wall Time (microsec)2,330 2,322 -8 -0.3%
Incl. Wall Time (microsec) per call 50 52 2 4.1%
Excl. Wall Time (microsec)160 145 -15 -9.4%
Incl. CPU (microsecs)2,388 2,367 -21 -0.9%
Incl. CPU (microsecs) per call 51 53 2 3.5%
Excl. CPU (microsec)197 169 -28 -14.2%
Incl. MemUse (bytes)487,360 486,496 -864 -0.2%
Incl. MemUse (bytes) per call 10,369 10,811 442 4.3%
Excl. MemUse (bytes)-224 -1,032 -808 -360.7%
Incl. PeakMemUse (bytes)376,248 375,592 -656 -0.2%
Incl. PeakMemUse (bytes) per call 8,005 8,346 341 4.3%
Excl. PeakMemUse (bytes)7,584 6,856 -728 -9.6%

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-2 -100.0% -8 -0.3% -21 -0.5% -864 -0.2% -656 -0.2%
Exclusive Metrics Diff for Current Function-15 -187.5% -28 -133.3% -808 -93.5% -728 -111.0%
Parent functions
Drupal\Core\Database\Connection::getDriverClass0 0.0% 41 512.5% 41 195.2% -16 -1.9% -16 -2.4%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -28 -350.0% -34 -161.9% -40 -4.6% -32 -4.9%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -16 -200.0% -18 -85.7% 0 0.0% 120 18.3%
Drupal\Core\Template\TwigEnvironment::loadTemplate-2 -100.0% -3 -37.5% -8 -38.1% -808 -93.5% -728 -111.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -1 -12.5% -3 -14.3% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -1 -12.5% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 2 9.5% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -4.8% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 7 87.5% 7 33.3% -56 -6.5% 72 11.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%