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

class_existsRun #519a496084867Run #519a4774889ddDiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)549,232 338,534 -210,698 -38.4%
Incl. Wall Time (microsec) per call 6,241 3,847 -2,394 -38.4%
Excl. Wall Time (microsec)4,422 2,757 -1,665 -37.7%
Incl. CPU (microsecs)100,007 76,005 -24,002 -24.0%
Incl. CPU (microsecs) per call 1,136 864 -273 -24.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)10,460,304 10,460,008 -296 -0.0%
Incl. MemUse (bytes) per call 118,867 118,864 -3 -0.0%
Excl. MemUse (bytes)-14,856 -14,856 0 0.0%
Incl. PeakMemUse (bytes)10,256,720 10,281,928 25,208 0.2%
Incl. PeakMemUse (bytes) per call 116,554 116,840 286 0.2%
Excl. PeakMemUse (bytes)8,912 8,608 -304 -3.4%

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_exists0 N/A% -210,698 -8.5% -24,002 -600.0% -296 -2.2% 25,208 173.8%
Exclusive Metrics Diff for Current Function-1,665 -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%