Diff Report
Run #519ea984d991e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519ea884c38e9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #519ea984d991eRun #519ea884c38e9DiffDiff%
Number of Function Calls228 227 -1 -0.4%
Incl. Wall Time (microsec)24,319 24,388 69 0.3%
Incl. Wall Time (microsec) per call 107 107 1 0.7%
Excl. Wall Time (microsec)1,056 1,052 -4 -0.4%
Incl. CPU (microsecs)24,516 24,631 115 0.5%
Incl. CPU (microsecs) per call 108 109 1 0.9%
Excl. CPU (microsec)1,009 1,025 16 1.6%
Incl. MemUse (bytes)1,441,488 1,441,568 80 0.0%
Incl. MemUse (bytes) per call 6,322 6,351 28 0.4%
Excl. MemUse (bytes)-18,152 -18,136 16 0.1%
Incl. PeakMemUse (bytes)893,376 892,832 -544 -0.1%
Incl. PeakMemUse (bytes) per call 3,918 3,933 15 0.4%
Excl. PeakMemUse (bytes)10,040 9,600 -440 -4.4%

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_exists-1 -100.0% 69 0.2% 115 0.3% 80 0.2% -544 -1.0%
Exclusive Metrics Diff for Current Function-4 -5.8% 16 13.9% 16 20.0% -440 -80.9%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 98 142.0% 139 120.9% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -65 -94.2% -66 -57.4% 0 0.0% -32 -5.9%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 34 49.3% 33 28.7% 64 80.0% -80 -14.7%
file_stream_wrapper_get_instance_by_uri0 0.0% 2 2.9% -4 -3.5% 0 0.0% -448 -82.4%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 2 2.9% 13 11.3% 16 20.0% 16 2.9%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -1.4% 1 0.9% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -1 -1.4% -1 -0.9% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 116 168.1% 123 107.0% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -43 -62.3% -24 -20.9% 64 80.0% -104 -19.1%