Diff Report
Run #523f27f8820ba: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f26a22745b: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #523f27f8820baRun #523f26a22745bDiffDiff%
Number of Function Calls583 583 0 0.0%
Incl. Wall Time (microsec)48,668 48,825 157 0.3%
Incl. Wall Time (microsec) per call 83 84 0 0.3%
Excl. Wall Time (microsec)878 885 7 0.8%
Incl. CPU (microsecs)49,244 49,392 148 0.3%
Incl. CPU (microsecs) per call 84 85 0 0.3%
Excl. CPU (microsec)1,387 1,393 6 0.4%
Incl. MemUse (bytes)6,271,064 6,271,208 144 0.0%
Incl. MemUse (bytes) per call 10,757 10,757 0 0.0%
Excl. MemUse (bytes)-10,888 -10,888 0 0.0%
Incl. PeakMemUse (bytes)5,437,368 5,437,728 360 0.0%
Incl. PeakMemUse (bytes) per call 9,327 9,327 1 0.0%
Excl. PeakMemUse (bytes)7,312 7,200 -112 -1.5%

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% 157 0.6% 148 0.6% 144 0.2% 360 0.4%
Exclusive Metrics Diff for Current Function7 4.5% 6 4.1% 0 0.0% -112 -31.1%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 251 159.9% 231 156.1% 208 144.4% 144 40.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -111 -70.7% -107 -72.3% -40 -27.8% 352 97.8%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 11 7.0% 11 7.4% -24 -16.7% -136 -37.8%
Drupal\Core\Controller\ControllerResolver::createController0 N/A% 7 4.5% 7 4.7% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% -1 -0.6% -3 -2.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 N/A% 1 0.6% 1 0.7% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% -1 -0.6% -1 -0.7% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% 8 5.4% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 0 0.0% 2 1.4% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::classExists0 N/A% 0 0.0% 2 1.4% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 N/A% 0 0.0% -1 -0.7% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -2 -1.4% 0 0.0% 0 0.0%
Child function
Composer\Autoload\ClassLoader::loadClass0 N/A% 150 95.5% 142 95.9% 144 100.0% 472 131.1%