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

class_existsRun #519af44245f83Run #519af4b90e33bDiffDiff%
Number of Function Calls70 72 2 2.9%
Incl. Wall Time (microsec)48,875 48,598 -277 -0.6%
Incl. Wall Time (microsec) per call 698 675 -23 -3.3%
Excl. Wall Time (microsec)420 411 -9 -2.1%
Incl. CPU (microsecs)48,959 48,703 -256 -0.5%
Incl. CPU (microsecs) per call 699 676 -23 -3.3%
Excl. CPU (microsec)451 462 11 2.4%
Incl. MemUse (bytes)5,595,208 5,595,064 -144 -0.0%
Incl. MemUse (bytes) per call 79,932 77,709 -2,222 -2.8%
Excl. MemUse (bytes)-7,352 -7,352 0 0.0%
Incl. PeakMemUse (bytes)4,871,344 4,870,592 -752 -0.0%
Incl. PeakMemUse (bytes) per call 69,591 67,647 -1,944 -2.8%
Excl. PeakMemUse (bytes)6,976 6,920 -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_exists2 100.0% -277 -12.2% -256 -13.8% -144 -0.2% -752 -1.0%
Exclusive Metrics Diff for Current Function-9 -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::loadTemplate2 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%