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

class_existsRun #51774cdfb1214Run #51774c26bf054DiffDiff%
Number of Function Calls263 263 0 0.0%
Incl. Wall Time (microsec)29,728 30,034 306 1.0%
Incl. Wall Time (microsec) per call 113 114 1 1.0%
Excl. Wall Time (microsec)1,250 1,282 32 2.6%
Incl. CPU (microsecs)29,969 30,276 307 1.0%
Incl. CPU (microsecs) per call 114 115 1 1.0%
Excl. CPU (microsec)1,225 1,229 4 0.3%
Incl. MemUse (bytes)1,478,064 1,478,088 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)1,109,296 1,113,472 4,176 0.4%
Incl. PeakMemUse (bytes) per call 4,218 4,234 16 0.4%
Excl. PeakMemUse (bytes)10,648 10,776 128 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 Function32 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%