Diff Report
Run #519ec8682c2dc: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ec94fa4daa: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #519ec8682c2dcRun #519ec94fa4daaDiffDiff%
Number of Function Calls380 388 8 2.1%
Incl. Wall Time (microsec)53,604 53,685 81 0.2%
Incl. Wall Time (microsec) per call 141 138 -3 -1.9%
Excl. Wall Time (microsec)1,399 1,445 46 3.3%
Incl. CPU (microsecs)53,927 54,001 74 0.1%
Incl. CPU (microsecs) per call 142 139 -3 -1.9%
Excl. CPU (microsec)1,477 1,529 52 3.5%
Incl. MemUse (bytes)617,400 618,216 816 0.1%
Incl. MemUse (bytes) per call 1,625 1,593 -31 -1.9%
Excl. MemUse (bytes)-15,368 -14,544 824 5.4%
Incl. PeakMemUse (bytes)470,200 472,144 1,944 0.4%
Incl. PeakMemUse (bytes) per call 1,237 1,217 -21 -1.7%
Excl. PeakMemUse (bytes)7,784 9,296 1,512 19.4%

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_exists8 100.0% 81 0.2% 74 0.2% 816 0.1% 1,944 0.3%
Exclusive Metrics Diff for Current Function46 56.8% 52 70.3% 824 101.0% 1,512 77.8%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 94 116.0% 78 105.4% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -18 -22.2% -16 -21.6% 0 0.0% 32 1.6%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 0 0.0% -1 -1.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 0 0.0% -1 -1.4% 16 2.0% 16 0.8%
Drupal\Core\Database\Query\Select::extend0 0.0% 15 18.5% 15 20.3% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 1 1.4% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -22 -27.2% -20 -27.0% -8 -1.0% 384 19.8%
Drupal\Core\Template\TwigEnvironment::loadTemplate8 100.0% 12 14.8% 17 23.0% 808 99.0% 728 37.4%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% 2 2.7% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 0 0.0% 0 0.0% 0 0.0% 784 40.3%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -1.4% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 35 43.2% 22 29.7% -8 -1.0% 432 22.2%