XHProf: Hierarchical Profiler Report

Diff Report: Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8e1e5eca: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for array_keys

array_keys	Run #519fe7ae1f6cc	Run #519fe8e1e5eca	Diff	Diff%
Number of Function Calls	472	472	0	0.0%
Incl. Wall Time (microsec)	903	931	28	3.1%
Incl. Wall Time (microsec) per call	2	2	0	3.1%
Excl. Wall Time (microsec)	903	931	28	3.1%
Incl. CPU (microsecs)	1,356	1,366	10	0.7%
Incl. CPU (microsecs) per call	3	3	0	0.7%
Excl. CPU (microsec)	1,356	1,366	10	0.7%
Incl. MemUse (bytes)	219,128	219,128	0	0.0%
Incl. MemUse (bytes) per call	464	464	0	0.0%
Excl. MemUse (bytes)	219,128	219,128	0	0.0%
Incl. PeakMemUse (bytes)	66,744	66,784	40	0.1%
Incl. PeakMemUse (bytes) per call	141	141	0	0.1%
Excl. PeakMemUse (bytes)	66,744	66,784	40	0.1%

Parent/Child Regression/Improvement report for array_keys [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_keys	0	N/A%	28	10.2%	10	3.8%	0	0.0%	40	62.5%
Exclusive Metrics Diff for Current Function			28	100.0%	10	100.0%	0	N/A%	40	100.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	18	64.3%	7	70.0%	0	N/A%	0	0.0%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	7	25.0%	26	260.0%	0	N/A%	0	0.0%
Drupal\Core\Extension\ModuleHandler::getImplementations	0	N/A%	-7	-25.0%	-14	-140.0%	0	N/A%	0	0.0%
Drupal\Core\DrupalKernel::initializeContainer	0	N/A%	4	14.3%	3	30.0%	0	N/A%	0	0.0%
system_page_alter	0	N/A%	2	7.1%	0	0.0%	0	N/A%	0	0.0%
Drupal\Core\Database\Query\Insert::fields	0	N/A%	2	7.1%	0	0.0%	0	N/A%	0	0.0%
block_page_build	0	N/A%	1	3.6%	1	10.0%	0	N/A%	0	0.0%
Drupal\Core\Extension\ModuleHandler::alter	0	N/A%	1	3.6%	0	0.0%	0	N/A%	0	0.0%
element_children	0	N/A%	-1	-3.6%	-16	-160.0%	0	N/A%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	1	3.6%	8	80.0%	0	N/A%	0	0.0%
language_url_outbound_alter	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
language_url_rewrite_url	0	N/A%	0	0.0%	-1	-10.0%	0	N/A%	0	0.0%
theme@1	0	N/A%	0	0.0%	1	10.0%	0	N/A%	0	0.0%
drupal_get_js	0	N/A%	0	0.0%	-7	-70.0%	0	N/A%	0	0.0%
theme@2	0	N/A%	0	0.0%	2	20.0%	0	N/A%	0	0.0%
element_get_visible_children	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
Drupal\Core\Entity\DatabaseStorageController::load	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
language_types_get_configurable	0	N/A%	0	0.0%	-1	-10.0%	0	N/A%	0	0.0%
Drupal\Core\Language\LanguageManager::getLanguageTypes	0	N/A%	0	0.0%	1	10.0%	0	N/A%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getBootstrapModules	0	N/A%	0	0.0%	-1	-10.0%	0	N/A%	0	0.0%
Symfony\Component\HttpFoundation\HeaderBag::__toString	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
Drupal\user\UserStorageController::attachLoad	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
drupal_schema_fields_sql	0	N/A%	0	0.0%	1	10.0%	0	N/A%	40	100.0%
translation_entity_enabled	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%