Diff Report
Run #51f628573214c: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #51f62b0e7bc11: XHProf Run (Namespace=drupal-perf-fabianx)
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Regression/Improvement summary for class_exists

class_existsRun #51f628573214cRun #51f62b0e7bc11DiffDiff%
Number of Function Calls416 416 0 0.0%
Incl. Wall Time (microsec)37,653 37,834 181 0.5%
Incl. Wall Time (microsec) per call 91 91 0 0.5%
Excl. Wall Time (microsec)1,692 1,702 10 0.6%
Incl. CPU (microsecs)36,003 28,002 -8,001 -22.2%
Incl. CPU (microsecs) per call 87 67 -19 -22.2%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)3,075,368 3,075,296 -72 -0.0%
Incl. MemUse (bytes) per call 7,393 7,393 -0 -0.0%
Excl. MemUse (bytes)-43,688 -43,688 0 0.0%
Incl. PeakMemUse (bytes)2,275,608 2,272,000 -3,608 -0.2%
Incl. PeakMemUse (bytes) per call 5,470 5,462 -9 -0.2%
Excl. PeakMemUse (bytes)14,488 14,600 112 0.8%

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_exists0 N/A% 181 1.0% -8,001 -40.0% -72 -0.0% -3,608 -0.8%
Exclusive Metrics Diff for Current Function10 5.5% -4,000 -50.0% 0 0.0% 112 3.1%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 94 51.9% 0 0.0% -16 -22.2% 840 23.3%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 92 50.8% -20,002 -250.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -9 -5.0% 4,001 50.0% 8 11.1% 152 4.2%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 5 2.8% 0 0.0% -64 -88.9% -4,560 -126.4%
Drupal\Core\Database\Query\Select::extend0 N/A% 2 1.1% 4,000 50.0% 0 0.0% -40 -1.1%
_drupal_simpletest_conf_path0 N/A% -1 -0.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% -1 -0.6% 4,000 50.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% -1 -0.6% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::classExists0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 109 60.2% 8,001 100.0% -72 -100.0% -3,720 -103.1%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 62 34.3% -12,002 -150.0% 0 0.0% 0 0.0%