Diff Report
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a496084867: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for class_exists

class_existsRun #519a4774889ddRun #519a496084867DiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)338,534 549,232 210,698 62.2%
Incl. Wall Time (microsec) per call 3,847 6,241 2,394 62.2%
Excl. Wall Time (microsec)2,757 4,422 1,665 60.4%
Incl. CPU (microsecs)76,005 100,007 24,002 31.6%
Incl. CPU (microsecs) per call 864 1,136 273 31.6%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)10,460,008 10,460,304 296 0.0%
Incl. MemUse (bytes) per call 118,864 118,867 3 0.0%
Excl. MemUse (bytes)-14,856 -14,856 0 0.0%
Incl. PeakMemUse (bytes)10,281,928 10,256,720 -25,208 -0.2%
Incl. PeakMemUse (bytes) per call 116,840 116,554 -286 -0.2%
Excl. PeakMemUse (bytes)8,608 8,912 304 3.5%

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% 210,698 8.5% 24,002 600.0% 296 2.2% -25,208 -173.8%
Exclusive Metrics Diff for Current Function1,665 0.8% 0 0.0% 0 0.0% 304 1.2%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 139,268 66.1% 28,003 116.7% 416 140.5% -32,280 -128.1%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 42,146 20.0% -4,000 -16.7% 160 54.1% -136 -0.5%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 17,052 8.1% -4,001 -16.7% -280 -94.6% 7,024 27.9%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 10,339 4.9% 4,000 16.7% 0 0.0% 88 0.3%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 1,797 0.9% 0 0.0% 0 0.0% 96 0.4%
file_stream_wrapper_get_instance_by_uri0 N/A% 29 0.0% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% 23 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 22 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 12 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 N/A% 10 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 209,033 99.2% 24,002 100.0% 296 100.0% -25,512 -101.2%