Diff Report
Run #512a40ad78082: XHProf Run (Namespace=drupal-perf)
vs.
Run #512a40915a5dd: XHProf Run (Namespace=drupal-perf)
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Regression/Improvement summary for class_exists

class_existsRun #512a40ad78082Run #512a40915a5ddDiffDiff%
Number of Function Calls256 243 -13 -5.1%
Incl. Wall Time (microsec)5,313 3,623 -1,690 -31.8%
Incl. Wall Time (microsec) per call 21 15 -6 -28.2%
Excl. Wall Time (microsec)847 786 -61 -7.2%
Incl. CPU (microsecs)4,000 8,000 4,000 100.0%
Incl. CPU (microsecs) per call 16 33 17 110.7%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)1,799,536 717,600 -1,081,936 -60.1%
Incl. MemUse (bytes) per call 7,029 2,953 -4,076 -58.0%
Excl. MemUse (bytes)-20,760 -13,144 7,616 36.7%
Incl. PeakMemUse (bytes)1,367,368 543,528 -823,840 -60.3%
Incl. PeakMemUse (bytes) per call 5,341 2,237 -3,105 -58.1%
Excl. PeakMemUse (bytes)7,264 7,464 200 2.8%

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-13 -54.2% -1,690 -5.9% 4,000 14.3% -1,081,936 -32.5% -823,840 -24.2%
Exclusive Metrics Diff for Current Function-61 -3.6% 0 0.0% 7,616 0.7% 200 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass-12 -92.3% -1,596 -94.4% 0 0.0% -1,017,928 -94.1% -757,464 -91.9%
Drupal\Core\Entity\EntityManager::getControllerClass-2 -15.4% -100 -5.9% 0 0.0% -65,112 -6.0% -67,432 -8.2%
Drupal\Core\Database\Query\Select::extend1 7.7% 13 0.8% 0 0.0% 1,112 0.1% 960 0.1%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -7 -0.4% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 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%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 0 0.0% 4,000 100.0% -8 -0.0% 96 0.0%
drupal_classloader0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\UniversalClassLoader::loadClass-11 -100.0% -1,629 -96.4% 4,000 100.0% -1,089,552 -100.7% -824,040 -100.0%