XHProf: Hierarchical Profiler Report

Diff Report: Run #536ffbe232db1: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #536ffcbacf96d: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Regression/Improvement summary for class_exists

class_exists	Run #536ffbe232db1	Run #536ffcbacf96d	Diff	Diff%
Number of Function Calls	548	549	1	0.2%
Incl. Wall Time (microsec)	63,777	63,633	-144	-0.2%
Incl. Wall Time (microsec) per call	116	116	-0	-0.4%
Excl. Wall Time (microsec)	905	907	2	0.2%
Incl. CPU (microsecs)	64,218	64,105	-113	-0.2%
Incl. CPU (microsecs) per call	117	117	-0	-0.4%
Excl. CPU (microsec)	1,271	1,292	21	1.7%
Incl. MemUse (bytes)	7,614,352	7,614,544	192	0.0%
Incl. MemUse (bytes) per call	13,895	13,870	-25	-0.2%
Excl. MemUse (bytes)	10,736	10,736	0	0.0%
Incl. PeakMemUse (bytes)	6,944,560	6,925,416	-19,144	-0.3%
Incl. PeakMemUse (bytes) per call	12,673	12,615	-58	-0.5%
Excl. PeakMemUse (bytes)	10,296	10,352	56	0.5%

Parent/Child Regression/Improvement report for class_exists [View Callgraph Diff]

Function Name	Calls Diff	Calls 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%	-144	-9.1%	-113	-6.3%	192	0.5%	-19,144	-54.1%
Exclusive Metrics Diff for Current Function			2	1.4%	21	18.6%	0	0.0%	56	0.3%
*Parent functions*
Drupal\Core\Entity\EntityManager::getDefinition	0	0.0%	327	227.1%	342	302.7%	-72	-37.5%	-19,136	-100.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass	0	0.0%	-306	-212.5%	-302	-267.3%	104	54.2%	600	3.1%
Drupal\Core\Entity\EntityType::hasControllerClass	0	0.0%	-140	-97.2%	-135	-119.5%	176	91.7%	-832	-4.3%
Drupal\Core\Database\Connection::getDriverClass	0	0.0%	63	43.8%	62	54.9%	24	12.5%	136	0.7%
Drupal\Core\Entity\Query\QueryBase::getClass	0	0.0%	-53	-36.8%	-53	-46.9%	-72	-37.5%	-208	-1.1%
Drupal\Core\Form\FormBuilder::getFormId	0	0.0%	-38	-26.4%	-29	-25.7%	0	0.0%	64	0.3%
Drupal\Core\Controller\ControllerResolver::createController	0	0.0%	-8	-5.6%	-9	-8.0%	32	16.7%	232	1.2%
Drupal\Core\Database\Query\Select::extend	0	0.0%	7	4.9%	7	6.2%	0	0.0%	0	0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate	1	100.0%	3	2.1%	1	0.9%	0	0.0%	0	0.0%
file_stream_wrapper_get_instance_by_scheme	0	0.0%	1	0.7%	2	1.8%	0	0.0%	0	0.0%
file_stream_wrapper_get_instance_by_uri	0	0.0%	0	0.0%	-1	-0.9%	0	0.0%	0	0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists	0	0.0%	0	0.0%	1	0.9%	0	0.0%	0	0.0%
Drupal\Core\DrupalKernel::initializeContainer	0	0.0%	0	0.0%	1	0.9%	0	0.0%	0	0.0%
*Child function*
spl_autoload_call	0	N/A%	-146	-101.4%	-134	-118.6%	192	100.0%	-19,200	-100.3%