Diff Report
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a9457328375: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51a944519b58cRun #51a9457328375DiffDiff%
Number of Function Calls367 367 0 0.0%
Incl. Wall Time (microsec)56,967 56,729 -238 -0.4%
Incl. Wall Time (microsec) per call 155 155 -1 -0.4%
Excl. Wall Time (microsec)2,011 1,974 -37 -1.8%
Incl. CPU (microsecs)57,304 57,059 -245 -0.4%
Incl. CPU (microsecs) per call 156 155 -1 -0.4%
Excl. CPU (microsec)1,886 1,813 -73 -3.9%
Incl. MemUse (bytes)1,683,768 1,683,768 0 0.0%
Incl. MemUse (bytes) per call 4,588 4,588 0 0.0%
Excl. MemUse (bytes)-26,776 -26,776 0 0.0%
Incl. PeakMemUse (bytes)1,601,480 1,601,480 0 0.0%
Incl. PeakMemUse (bytes) per call 4,364 4,364 0 0.0%
Excl. PeakMemUse (bytes)6,448 6,448 0 0.0%

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% -238 -27.7% -245 -27.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-37 -15.5% -73 -29.8% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% -346 -145.4% -359 -146.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 84 35.3% 83 33.9% 0 N/A% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 64 26.9% 74 30.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -55 -23.1% -57 -23.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::extend0 N/A% 11 4.6% 10 4.1% 0 N/A% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 3 1.3% 3 1.2% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 2 0.8% 0 0.0% 0 N/A% 0 N/A%
file_stream_wrapper_valid_scheme0 N/A% -1 -0.4% 2 0.8% 0 N/A% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% -1 -0.4% -1 -0.4% 0 N/A% 0 N/A%
_drupal_simpletest_conf_path0 N/A% 1 0.4% 1 0.4% 0 N/A% 0 N/A%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% -1 -0.4% 0 N/A% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -230 -96.6% -228 -93.1% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 29 12.2% 56 22.9% 0 N/A% 0 N/A%