Diff Report
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51fdbca2b5409Run #51fdbdbb58abcDiffDiff%
Number of Function Calls62 63 1 1.6%
Incl. Wall Time (microsec)8,924 8,934 10 0.1%
Incl. Wall Time (microsec) per call 144 142 -2 -1.5%
Excl. Wall Time (microsec)264 271 7 2.7%
Incl. CPU (microsecs)8,996 9,000 4 0.0%
Incl. CPU (microsecs) per call 145 143 -2 -1.5%
Excl. CPU (microsec)292 293 1 0.3%
Incl. MemUse (bytes)1,488,328 1,488,344 16 0.0%
Incl. MemUse (bytes) per call 24,005 23,625 -381 -1.6%
Excl. MemUse (bytes)-4,688 -4,688 0 0.0%
Incl. PeakMemUse (bytes)1,344,712 1,345,144 432 0.0%
Incl. PeakMemUse (bytes) per call 21,689 21,351 -337 -1.6%
Excl. PeakMemUse (bytes)8,528 8,608 80 0.9%

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% 10 1.1% 4 5.6% 16 0.1% 432 1.4%
Exclusive Metrics Diff for Current Function7 70.0% 1 25.0% 0 0.0% 80 18.5%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 48 480.0% 47 1175.0% 0 0.0% -16 -3.7%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -45 -450.0% -47 -1175.0% 24 150.0% 72 16.7%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -20 -200.0% -19 -475.0% -8 -50.0% 288 66.7%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 17 170.0% 16 400.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::extend0 0.0% 9 90.0% 9 225.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 10.0% 0 0.0% 0 0.0% 88 20.4%
Doctrine\Common\Annotations\DocParser::classExists0 0.0% 0 0.0% -2 -50.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 1 25.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -25.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 17 170.0% 18 450.0% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -14 -140.0% -15 -375.0% 16 100.0% 352 81.5%