Diff Report
Run #51774c26bf054: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51774cdfb1214: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51774c26bf054Run #51774cdfb1214DiffDiff%
Number of Function Calls263 263 0 0.0%
Incl. Wall Time (microsec)30,034 29,728 -306 -1.0%
Incl. Wall Time (microsec) per call 114 113 -1 -1.0%
Excl. Wall Time (microsec)1,282 1,250 -32 -2.5%
Incl. CPU (microsecs)30,276 29,969 -307 -1.0%
Incl. CPU (microsecs) per call 115 114 -1 -1.0%
Excl. CPU (microsec)1,229 1,225 -4 -0.3%
Incl. MemUse (bytes)1,478,088 1,478,064 -24 -0.0%
Incl. MemUse (bytes) per call 5,620 5,620 -0 -0.0%
Excl. MemUse (bytes)-20,592 -20,592 0 0.0%
Incl. PeakMemUse (bytes)1,113,472 1,109,296 -4,176 -0.4%
Incl. PeakMemUse (bytes) per call 4,234 4,218 -16 -0.4%
Excl. PeakMemUse (bytes)10,776 10,648 -128 -1.2%

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% -306 -1.2% -307 -1.3% -24 -0.3% -4,176 -35.3%
Exclusive Metrics Diff for Current Function-32 -10.5% -4 -1.3% 0 0.0% -128 -3.1%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -160 -52.3% -161 -52.4% -24 -100.0% 40 1.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% -136 -44.4% -138 -45.0% 0 0.0% -4,160 -99.6%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -17 -5.6% -16 -5.2% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 7 2.3% 8 2.6% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% -2 -0.7% -1 -0.3% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% 1 0.3% 1 0.3% 0 0.0% -56 -1.3%
_drupal_simpletest_conf_path0 N/A% 1 0.3% 2 0.7% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -1 -0.3% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 0 0.0% -1 -0.3% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -178 -58.2% -198 -64.5% -24 -100.0% -536 -12.8%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -96 -31.4% -105 -34.2% 0 0.0% -3,512 -84.1%