Diff Report
Run #519af4b90e33b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519af44245f83: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #519af4b90e33bRun #519af44245f83DiffDiff%
Number of Function Calls72 70 -2 -2.8%
Incl. Wall Time (microsec)48,598 48,875 277 0.6%
Incl. Wall Time (microsec) per call 675 698 23 3.4%
Excl. Wall Time (microsec)411 420 9 2.2%
Incl. CPU (microsecs)48,703 48,959 256 0.5%
Incl. CPU (microsecs) per call 676 699 23 3.4%
Excl. CPU (microsec)462 451 -11 -2.4%
Incl. MemUse (bytes)5,595,064 5,595,208 144 0.0%
Incl. MemUse (bytes) per call 77,709 79,932 2,222 2.9%
Excl. MemUse (bytes)-7,352 -7,352 0 0.0%
Incl. PeakMemUse (bytes)4,870,592 4,871,344 752 0.0%
Incl. PeakMemUse (bytes) per call 67,647 69,591 1,944 2.9%
Excl. PeakMemUse (bytes)6,920 6,976 56 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_exists-2 -100.0% 277 12.2% 256 13.8% 144 0.2% 752 1.0%
Exclusive Metrics Diff for Current Function9 3.2% -11 -4.3% 0 0.0% 56 7.4%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 137 49.5% 136 53.1% 72 50.0% 128 17.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 61 22.0% 47 18.4% 80 55.6% 656 87.2%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 47 17.0% 47 18.4% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 22 7.9% 22 8.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::extend0 0.0% 8 2.9% 8 3.1% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 8 2.9% 7 2.7% -8 -5.6% -32 -4.3%
Drupal\Core\Template\TwigEnvironment::loadTemplate-2 -100.0% -6 -2.2% -6 -2.3% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% -5 -2.0% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 0 0.0% -1 -0.4% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 2 0.8% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -0.4% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 268 96.8% 267 104.3% 144 100.0% 696 92.6%