Diff Report
Run #517896dc57c6e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5178989df1d0f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #517896dc57c6eRun #5178989df1d0fDiffDiff%
Number of Function Calls264 264 0 0.0%
Incl. Wall Time (microsec)29,371 29,177 -194 -0.7%
Incl. Wall Time (microsec) per call 111 111 -1 -0.7%
Excl. Wall Time (microsec)1,273 1,288 15 1.2%
Incl. CPU (microsecs)29,591 29,400 -191 -0.6%
Incl. CPU (microsecs) per call 112 111 -1 -0.6%
Excl. CPU (microsec)1,205 1,197 -8 -0.7%
Incl. MemUse (bytes)1,477,624 1,477,592 -32 -0.0%
Incl. MemUse (bytes) per call 5,597 5,597 -0 -0.0%
Excl. MemUse (bytes)-20,592 -20,592 0 0.0%
Incl. PeakMemUse (bytes)1,140,808 1,140,984 176 0.0%
Incl. PeakMemUse (bytes) per call 4,321 4,322 1 0.0%
Excl. PeakMemUse (bytes)9,936 9,992 56 0.6%

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% -194 -4.8% -191 -3.9% -32 -0.5% 176 3.0%
Exclusive Metrics Diff for Current Function15 7.7% -8 -4.2% 0 0.0% 56 31.8%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% -73 -37.6% -67 -35.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -66 -34.0% -68 -35.6% 8 25.0% 64 36.4%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -64 -33.0% -63 -33.0% -32 -100.0% 120 68.2%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 9 4.6% 10 5.2% -8 -25.0% -8 -4.5%
_drupal_simpletest_conf_path0 N/A% -1 -0.5% 2 1.0% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% 1 0.5% 2 1.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% -5 -2.6% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -1 -0.5% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 0 0.0% -1 -0.5% 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%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -163 -84.0% -154 -80.6% -32 -100.0% 120 68.2%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -46 -23.7% -29 -15.2% 0 0.0% 0 0.0%