Diff Report
Run #539fd0a78f1b7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd2b68bc13: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for class_exists

class_existsRun #539fd0a78f1b7Run #539fd2b68bc13DiffDiff%
Number of Function Calls2,494 2,494 0 0.0%
Incl. Wall Time (microsec)101,538 97,714 -3,824 -3.8%
Incl. Wall Time (microsec) per call 41 39 -2 -3.8%
Excl. Wall Time (microsec)3,376 3,331 -45 -1.3%
Incl. CPU (microsecs)103,724 99,842 -3,882 -3.7%
Incl. CPU (microsecs) per call 42 40 -2 -3.7%
Excl. CPU (microsec)5,446 5,357 -89 -1.6%
Incl. MemUse (bytes)10,567,264 10,568,000 736 0.0%
Incl. MemUse (bytes) per call 4,237 4,237 0 0.0%
Excl. MemUse (bytes)9,920 9,920 0 0.0%
Incl. PeakMemUse (bytes)8,670,320 9,009,344 339,024 3.9%
Incl. PeakMemUse (bytes) per call 3,476 3,612 136 3.9%
Excl. PeakMemUse (bytes)11,984 11,736 -248 -2.1%

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% -3,824 -9.3% -3,882 -9.5% 736 0.0% 339,024 20.4%
Exclusive Metrics Diff for Current Function-45 -1.2% -89 -2.3% 0 0.0% -248 -0.1%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -1,471 -38.5% -1,460 -37.6% 96 13.0% 183,688 54.2%
Drupal\Core\Entity\EntityManager::getDefinition0 N/A% -1,375 -36.0% -1,430 -36.8% 144 19.6% -296 -0.1%
Drupal\Core\Entity\EntityType::hasControllerClass0 N/A% -709 -18.5% -732 -18.9% 384 52.2% 156,024 46.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -642 -16.8% -637 -16.4% 32 4.3% -344 -0.1%
Drupal\Core\Entity\Query\QueryBase::getClass0 N/A% 468 12.2% 461 11.9% 64 8.7% -96 -0.0%
Drupal\Core\Form\FormBuilder::getFormId0 N/A% -94 -2.5% -93 -2.4% 24 3.3% 48 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% 3 0.1% 6 0.2% 0 0.0% 0 0.0%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 N/A% -3 -0.1% -5 -0.1% -8 -1.1% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 N/A% -2 -0.1% -6 -0.2% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 1 0.0% 2 0.1% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 13 0.3% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% -1 -0.0% 0 0.0% 0 0.0%
Child function
spl_autoload_call0 N/A% -3,779 -98.8% -3,793 -97.7% 736 100.0% 339,272 100.1%