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

class_existsRun #51fdbdbb58abcRun #51fdbca2b5409DiffDiff%
Number of Function Calls63 62 -1 -1.6%
Incl. Wall Time (microsec)8,934 8,924 -10 -0.1%
Incl. Wall Time (microsec) per call 142 144 2 1.5%
Excl. Wall Time (microsec)271 264 -7 -2.6%
Incl. CPU (microsecs)9,000 8,996 -4 -0.0%
Incl. CPU (microsecs) per call 143 145 2 1.6%
Excl. CPU (microsec)293 292 -1 -0.3%
Incl. MemUse (bytes)1,488,344 1,488,328 -16 -0.0%
Incl. MemUse (bytes) per call 23,625 24,005 381 1.6%
Excl. MemUse (bytes)-4,688 -4,688 0 0.0%
Incl. PeakMemUse (bytes)1,345,144 1,344,712 -432 -0.0%
Incl. PeakMemUse (bytes) per call 21,351 21,689 337 1.6%
Excl. PeakMemUse (bytes)8,608 8,528 -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_exists-1 -100.0% -10 -1.1% -4 -5.6% -16 -0.1% -432 -1.4%
Exclusive Metrics Diff for Current Function-7 -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::loadTemplate-1 -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%