Diff Report
Run #519f02278cd90: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519f012418c24: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #519f02278cd90Run #519f012418c24DiffDiff%
Number of Function Calls348 348 0 0.0%
Incl. Wall Time (microsec)27,864 27,964 100 0.4%
Incl. Wall Time (microsec) per call 80 80 0 0.4%
Excl. Wall Time (microsec)1,360 1,351 -9 -0.7%
Incl. CPU (microsecs)28,237 28,291 54 0.2%
Incl. CPU (microsecs) per call 81 81 0 0.2%
Excl. CPU (microsec)1,391 1,402 11 0.8%
Incl. MemUse (bytes)2,330,728 2,330,808 80 0.0%
Incl. MemUse (bytes) per call 6,697 6,698 0 0.0%
Excl. MemUse (bytes)-25,240 -25,240 0 0.0%
Incl. PeakMemUse (bytes)1,247,840 1,247,864 24 0.0%
Incl. PeakMemUse (bytes) per call 3,586 3,586 0 0.0%
Excl. PeakMemUse (bytes)9,544 9,544 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% 100 4.1% 54 1.7% 80 1.2% 24 0.1%
Exclusive Metrics Diff for Current Function-9 -9.0% 11 20.4% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 139 139.0% 122 225.9% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -48 -48.0% -62 -114.8% -32 -40.0% -80 -333.3%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 16 16.0% 12 22.2% 0 0.0% 64 266.7%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -8 -8.0% -11 -20.4% 112 140.0% 40 166.7%
file_stream_wrapper_get_instance_by_uri0 N/A% 2 2.0% 2 3.7% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% -1 -1.0% -5 -9.3% 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%
Doctrine\Common\Annotations\DocParser::classExists0 N/A% 0 0.0% -3 -5.6% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 N/A% 0 0.0% -1 -1.9% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 153 153.0% 110 203.7% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -44 -44.0% -67 -124.1% 80 100.0% 24 100.0%