XHProf: Hierarchical Profiler Report

Diff Report: Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for array_merge

array_merge	Run #519d45fd795a4	Run #519d44ffb3845	Diff	Diff%
Number of Function Calls	296	267	-29	-9.8%
Incl. Wall Time (microsec)	969	814	-155	-16.0%
Incl. Wall Time (microsec) per call	3	3	-0	-6.9%
Excl. Wall Time (microsec)	969	814	-155	-16.0%
Incl. CPU (microsecs)	1,297	1,120	-177	-13.6%
Incl. CPU (microsecs) per call	4	4	-0	-4.3%
Excl. CPU (microsec)	1,297	1,120	-177	-13.6%
Incl. MemUse (bytes)	211,720	174,460	-37,260	-17.6%
Incl. MemUse (bytes) per call	715	653	-62	-8.6%
Excl. MemUse (bytes)	211,720	174,460	-37,260	-17.6%
Incl. PeakMemUse (bytes)	32,100	32,100	0	0.0%
Incl. PeakMemUse (bytes) per call	108	120	12	10.9%
Excl. PeakMemUse (bytes)	32,100	32,100	0	0.0%

Parent/Child Regression/Improvement report for array_merge [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*
array_merge	-29	-100.0%	-155	-0.3%	-177	-0.3%	-37,260	-40.2%	0	0.0%
Exclusive Metrics Diff for Current Function			-155	-100.0%	-177	-100.0%	-37,260	-100.0%	0	N/A%
*Parent functions*
__TwigTemplate_6dcf996ed8aa066b5b78a1b50ba266ba::doDisplay	-9	-31.0%	-91	-58.7%	-104	-58.8%	-25,576	-68.6%	0	N/A%
_form_set_attributes	-20	-69.0%	-46	-29.7%	-67	-37.9%	-11,680	-31.3%	0	N/A%
Drupal\image\ImageStyleStorageController::attachLoad	0	0.0%	-5	-3.2%	-4	-2.3%	0	0.0%	0	N/A%
form_builder@2	0	0.0%	-4	-2.6%	1	0.6%	0	0.0%	0	N/A%
field_invoke_method	0	0.0%	-3	-1.9%	-10	-5.6%	0	0.0%	0	N/A%
Drupal\Core\Config\Entity\ConfigStorageController::attachLoad	0	0.0%	-2	-1.3%	4	2.3%	0	0.0%	0	N/A%
Drupal\Core\Database\Query\Update::execute	0	0.0%	1	0.6%	-1	-0.6%	0	0.0%	0	N/A%
Doctrine\Common\Annotations\AnnotationReader::collectParsingMetadata	0	0.0%	-1	-0.6%	1	0.6%	0	0.0%	0	N/A%
theme_pager_link	0	0.0%	-1	-0.6%	-1	-0.6%	0	0.0%	0	N/A%
Drupal\field\Plugin\Type\Formatter\FormatterBase::view	0	0.0%	-1	-0.6%	1	0.6%	0	0.0%	0	N/A%
Doctrine\Common\Reflection\StaticReflectionParser::parse	0	0.0%	-1	-0.6%	1	0.6%	0	0.0%	0	N/A%
Twig_Environment::__construct	0	0.0%	-1	-0.6%	-1	-0.6%	0	0.0%	0	N/A%
Doctrine\Common\Annotations\AnnotationRegistry::registerAutoloadNamespaces	0	0.0%	-1	-0.6%	-2	-1.1%	0	0.0%	0	N/A%
Symfony\Cmf\Component\Routing\ChainRouter::sortRouters	0	0.0%	1	0.6%	1	0.6%	0	0.0%	0	N/A%
form_builder@1	0	0.0%	1	0.6%	1	0.6%	0	0.0%	0	N/A%
Drupal\Core\Entity\DatabaseStorageController::attachLoad	0	0.0%	1	0.6%	2	1.1%	0	0.0%	0	N/A%
Drupal\node\NodeStorageController::attachLoad	0	0.0%	-1	-0.6%	-1	-0.6%	0	0.0%	0	N/A%
menu_get_item	0	0.0%	-1	-0.6%	-1	-0.6%	0	0.0%	0	N/A%
views_view_has_form_elements	0	0.0%	0	0.0%	0	0.0%	-4	-0.0%	0	N/A%
menu_local_tasks	0	0.0%	0	0.0%	2	1.1%	0	0.0%	0	N/A%
Symfony\Cmf\Component\Routing\DynamicRouter::sortRouteEnhancers	0	0.0%	0	0.0%	-1	-0.6%	0	0.0%	0	N/A%
Drupal\Core\Extension\ModuleHandler::alter	0	0.0%	0	0.0%	1	0.6%	0	0.0%	0	N/A%
file_field_prepare_view	0	0.0%	0	0.0%	4	2.3%	0	0.0%	0	N/A%
form_builder	0	0.0%	0	0.0%	-1	-0.6%	0	0.0%	0	N/A%
Drupal\Core\PathProcessor\PathProcessorManager::sortProcessors	0	0.0%	0	0.0%	-2	-1.1%	0	0.0%	0	N/A%
Twig_Environment::initGlobals	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
drupal_retrieve_form	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%