Diff Report
Run #519af3b0bf970: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519af56893788: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #519af3b0bf970Run #519af56893788DiffDiff%
Number of Function Calls134 135 1 0.7%
Incl. Wall Time (microsec)15,028 15,258 230 1.5%
Incl. Wall Time (microsec) per call 112 113 1 0.8%
Excl. Wall Time (microsec)585 595 10 1.7%
Incl. CPU (microsecs)15,116 15,397 281 1.9%
Incl. CPU (microsecs) per call 113 114 1 1.1%
Excl. CPU (microsec)607 628 21 3.5%
Incl. MemUse (bytes)2,169,704 2,169,896 192 0.0%
Incl. MemUse (bytes) per call 16,192 16,073 -119 -0.7%
Excl. MemUse (bytes)-11,576 -11,576 0 0.0%
Incl. PeakMemUse (bytes)1,518,432 1,509,496 -8,936 -0.6%
Incl. PeakMemUse (bytes) per call 11,332 11,181 -150 -1.3%
Excl. PeakMemUse (bytes)9,336 9,336 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_exists1 100.0% 230 41.7% 281 59.4% 192 0.3% -8,936 -13.8%
Exclusive Metrics Diff for Current Function10 4.3% 21 7.5% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 262 113.9% 312 111.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -53 -23.0% -54 -19.2% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 24 10.4% 20 7.1% 56 29.2% -10,928 -122.3%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -8 -3.5% -1 -0.4% 136 70.8% 1,992 22.3%
file_stream_wrapper_valid_scheme0 0.0% 4 1.7% 5 1.8% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 2 0.9% 3 1.1% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% -1 -0.4% -3 -1.1% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% -1 -0.4% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 0 0.0% 1 0.4% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -0.4% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 239 103.9% 277 98.6% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -19 -8.3% -17 -6.0% 192 100.0% -8,936 -100.0%