XHProf: Hierarchical Profiler Report

Diff Report: Run #52c2677cc22b0: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52c2694eecde3: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Regression/Improvement summary for class_exists

class_exists	Run #52c2677cc22b0	Run #52c2694eecde3	Diff	Diff%
Number of Function Calls	41	42	1	2.4%
Incl. Wall Time (microsec)	20,555	19,404	-1,151	-5.6%
Incl. Wall Time (microsec) per call	501	462	-39	-7.8%
Excl. Wall Time (microsec)	151	150	-1	-0.7%
Incl. CPU (microsecs)	20,605	19,458	-1,147	-5.6%
Incl. CPU (microsecs) per call	503	463	-39	-7.8%
Excl. CPU (microsec)	173	176	3	1.7%
Incl. MemUse (bytes)	1,846,600	1,846,776	176	0.0%
Incl. MemUse (bytes) per call	45,039	43,971	-1,068	-2.4%
Excl. MemUse (bytes)	10,832	10,856	24	0.2%
Incl. PeakMemUse (bytes)	1,466,136	1,465,864	-272	-0.0%
Incl. PeakMemUse (bytes) per call	35,759	34,902	-858	-2.4%
Excl. PeakMemUse (bytes)	4,256	4,256	0	0.0%

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%	-1,151	-2.7%	-1,147	-2.8%	176	0.2%	-272	-0.2%
Exclusive Metrics Diff for Current Function			-1	-0.1%	3	0.3%	24	13.6%	0	0.0%
*Parent functions*
Drupal\Core\Entity\EntityManager::getControllerClass	0	0.0%	-1,144	-99.4%	-1,137	-99.1%	-56	-31.8%	-560	-205.9%
Drupal\Core\Database\Connection::getDriverClass	0	0.0%	-67	-5.8%	-68	-5.9%	104	59.1%	64	23.5%
Drupal\Core\Form\FormBuilder::getFormId	0	0.0%	57	5.0%	57	5.0%	-24	-13.6%	32	11.8%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass	0	0.0%	-47	-4.1%	-51	-4.4%	24	13.6%	392	144.1%
Drupal\Core\Controller\HtmlFormController::getFormObject	0	0.0%	36	3.1%	41	3.6%	-40	-22.7%	-80	-29.4%
Drupal\Core\Controller\ControllerResolver::createController	0	0.0%	18	1.6%	20	1.7%	0	0.0%	-64	-23.5%
Drupal\Core\Entity\Query\QueryBase::getClass	0	0.0%	-7	-0.6%	-8	-0.7%	104	59.1%	0	0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate	1	100.0%	3	0.3%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get	0	0.0%	1	0.1%	1	0.1%	64	36.4%	-56	-20.6%
file_stream_wrapper_get_instance_by_scheme	0	0.0%	-1	-0.1%	-1	-0.1%	0	0.0%	0	0.0%
Drupal\Core\DrupalKernel::initializeContainer	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
_drupal_simpletest_conf_path	0	0.0%	0	0.0%	-1	-0.1%	0	0.0%	0	0.0%
*Child function*
spl_autoload_call	0	N/A%	-1,150	-99.9%	-1,150	-100.3%	152	86.4%	-272	-100.0%