Diff Report
Run #526a239923027: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #526a240c73a50: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #526a239923027Run #526a240c73a50DiffDiff%
Number of Function Calls44 48 4 9.1%
Incl. Wall Time (microsec)5,208 5,537 329 6.3%
Incl. Wall Time (microsec) per call 118 115 -3 -2.5%
Excl. Wall Time (microsec)121 126 5 4.1%
Incl. CPU (microsecs)5,269 5,600 331 6.3%
Incl. CPU (microsecs) per call 120 117 -3 -2.6%
Excl. CPU (microsec)170 173 3 1.8%
Incl. MemUse (bytes)665,248 665,672 424 0.1%
Incl. MemUse (bytes) per call 15,119 13,868 -1,251 -8.3%
Excl. MemUse (bytes)5,368 5,368 0 0.0%
Incl. PeakMemUse (bytes)484,352 482,824 -1,528 -0.3%
Incl. PeakMemUse (bytes) per call 11,008 10,059 -949 -8.6%
Excl. PeakMemUse (bytes)8,064 7,552 -512 -6.3%

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_exists4 100.0% 329 967.6% 331 200.6% 424 0.2% -1,528 -0.8%
Exclusive Metrics Diff for Current Function5 1.5% 3 0.9% 0 0.0% -512 -33.5%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 310 94.2% 305 92.1% -8 -1.9% 320 20.9%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 93 28.3% 93 28.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% -87 -26.4% -89 -26.9% -16 -3.8% -16 -1.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 32 9.7% 32 9.7% 448 105.7% -1,320 -86.4%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -26 -7.9% -26 -7.9% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% 7 2.1% 8 2.4% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate5 125.0% 2 0.6% 11 3.3% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri-1 -25.0% -2 -0.6% -1 -0.3% 0 0.0% -512 -33.5%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 1 0.3% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% -1 -0.3% -1 -0.3% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 1 0.3% 0 0.0% 0 0.0%
Drupal\Core\ImageToolkit\ImageToolkitManager::getDefaultToolkit0 0.0% 0 0.0% -1 -0.3% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -0.3% 0 0.0% 0 0.0%
Child function
Composer\Autoload\ClassLoader::loadClass0 N/A% 324 98.5% 328 99.1% 424 100.0% -1,016 -66.5%