Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #51ec517fc2424Run #51ec52a09990aDiffDiff%
Number of Function Calls175 176 1 0.6%
Incl. Wall Time (microsec)9,967 9,650 -317 -3.2%
Incl. Wall Time (microsec) per call 57 55 -2 -3.7%
Excl. Wall Time (microsec)446 435 -11 -2.5%
Incl. CPU (microsecs)10,120 9,792 -328 -3.2%
Incl. CPU (microsecs) per call 58 56 -2 -3.8%
Excl. CPU (microsec)542 512 -30 -5.5%
Incl. MemUse (bytes)2,192,632 2,159,600 -33,032 -1.5%
Incl. MemUse (bytes) per call 12,529 12,270 -259 -2.1%
Excl. MemUse (bytes)-7,944 -7,928 16 0.2%
Incl. PeakMemUse (bytes)1,536,328 1,519,144 -17,184 -1.1%
Incl. PeakMemUse (bytes) per call 8,779 8,632 -148 -1.7%
Excl. PeakMemUse (bytes)6,232 6,424 192 3.1%

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_exists1 100.0% -317 -7.8% -328 -7.7% -33,032 -150.1% -17,184 -74.7%
Exclusive Metrics Diff for Current Function-11 -3.5% -30 -9.1% 16 0.0% 192 1.1%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -288 -90.9% -294 -89.6% -32,936 -99.7% -20,640 -120.1%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -40 -12.6% -43 -13.1% -112 -0.3% 1,288 7.5%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 8 2.5% 10 3.0% -8 -0.0% 12,016 69.9%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 3 0.9% 6 1.8% 24 0.1% -9,848 -57.3%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -1 -0.3% 1 0.3% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::classExists0 0.0% 1 0.3% -14 -4.3% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 0.3% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 0 0.0% 5 1.5% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -0.3% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 1 0.3% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -305 -96.2% -294 -89.6% -33,056 -100.1% -7,544 -43.9%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -1 -0.3% -4 -1.2% 8 0.0% -9,832 -57.2%