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

class_existsRun #518fb7370421eRun #518fbd1297c93DiffDiff%
Number of Function Calls45 47 2 4.4%
Incl. Wall Time (microsec)2,322 2,330 8 0.3%
Incl. Wall Time (microsec) per call 52 50 -2 -3.9%
Excl. Wall Time (microsec)145 160 15 10.3%
Incl. CPU (microsecs)2,367 2,388 21 0.9%
Incl. CPU (microsecs) per call 53 51 -2 -3.4%
Excl. CPU (microsec)169 197 28 16.6%
Incl. MemUse (bytes)486,496 487,360 864 0.2%
Incl. MemUse (bytes) per call 10,811 10,369 -442 -4.1%
Excl. MemUse (bytes)-1,032 -224 808 78.3%
Incl. PeakMemUse (bytes)375,592 376,248 656 0.2%
Incl. PeakMemUse (bytes) per call 8,346 8,005 -341 -4.1%
Excl. PeakMemUse (bytes)6,856 7,584 728 10.6%

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_exists2 100.0% 8 0.3% 21 0.5% 864 0.2% 656 0.2%
Exclusive Metrics Diff for Current Function15 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::loadTemplate2 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%