Diff Report
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51978cc86c728Run #51978d4d92dd9DiffDiff%
Number of Function Calls55 56 1 1.8%
Incl. Wall Time (microsec)19,885 19,612 -273 -1.4%
Incl. Wall Time (microsec) per call 362 350 -11 -3.1%
Excl. Wall Time (microsec)256 243 -13 -5.1%
Incl. CPU (microsecs)19,952 19,688 -264 -1.3%
Incl. CPU (microsecs) per call 363 352 -11 -3.1%
Excl. CPU (microsec)277 274 -3 -1.1%
Incl. MemUse (bytes)2,730,304 2,730,536 232 0.0%
Incl. MemUse (bytes) per call 49,642 48,760 -882 -1.8%
Excl. MemUse (bytes)-6,320 -6,320 0 0.0%
Incl. PeakMemUse (bytes)2,432,024 2,432,248 224 0.0%
Incl. PeakMemUse (bytes) per call 44,219 43,433 -786 -1.8%
Excl. PeakMemUse (bytes)6,032 5,848 -184 -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% -273 -109.6% -264 -218.2% 232 1.1% 224 1.0%
Exclusive Metrics Diff for Current Function-13 -4.8% -3 -1.1% 0 0.0% -184 -82.1%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -218 -79.9% -209 -79.2% -8 -3.4% 288 128.6%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -106 -38.8% -105 -39.8% 16 6.9% -200 -89.3%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 59 21.6% 54 20.5% 224 96.6% 136 60.7%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -8 -2.9% -5 -1.9% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 0.4% 2 0.8% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -1 -0.4% -1 -0.4% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -258 -94.5% -259 -98.1% 232 100.0% 408 182.1%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -2 -0.7% -2 -0.8% 0 0.0% 0 0.0%