XHProf: Hierarchical Profiler Report

Diff Report: Run #519fe82fef731: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe6587b366: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for array_keys

array_keys	Run #519fe82fef731	Run #519fe6587b366	Diff	Diff%
Number of Function Calls	556	557	1	0.2%
Incl. Wall Time (microsec)	287	268	-19	-6.6%
Incl. Wall Time (microsec) per call	1	0	-0	-6.8%
Excl. Wall Time (microsec)	287	268	-19	-6.6%
Incl. CPU (microsecs)	0	0	0	N/A%
Incl. CPU (microsecs) per call	0	0	0	N/A%
Excl. CPU (microsec)	0	0	0	N/A%
Incl. MemUse (bytes)	273,584	275,672	2,088	0.8%
Incl. MemUse (bytes) per call	492	495	3	0.6%
Excl. MemUse (bytes)	273,584	275,672	2,088	0.8%
Incl. PeakMemUse (bytes)	74,360	72,632	-1,728	-2.3%
Incl. PeakMemUse (bytes) per call	134	130	-3	-2.5%
Excl. PeakMemUse (bytes)	74,360	72,632	-1,728	-2.3%

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	1	100.0%	-19	-0.5%	0	0.0%	2,088	3.3%	-1,728	-2.8%
Exclusive Metrics Diff for Current Function			-19	-100.0%	0	N/A%	2,088	100.0%	-1,728	-100.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	0.0%	-21	-110.5%	0	N/A%	8	0.4%	8	0.5%
Drupal\Core\Database\Connection::expandArguments	0	0.0%	7	36.8%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\Extension\ModuleHandler::getImplementations	0	0.0%	3	15.8%	0	N/A%	0	0.0%	0	0.0%
drupal_schema_fields_sql	0	0.0%	-3	-15.8%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	0.0%	-2	-10.5%	0	N/A%	0	0.0%	0	0.0%
system_page_alter	0	0.0%	-2	-10.5%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\Entity\Field\FieldItemBase::setValue	0	0.0%	-1	-5.3%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\Extension\ModuleHandler::alter	0	0.0%	-1	-5.3%	0	N/A%	0	0.0%	0	0.0%
theme@1	0	0.0%	1	5.3%	0	N/A%	0	0.0%	0	0.0%
element_children	1	100.0%	-1	-5.3%	0	N/A%	2,080	99.6%	-1,736	-100.5%
Drupal\Core\DrupalKernel::initializeContainer	0	0.0%	1	5.3%	0	N/A%	0	0.0%	0	0.0%
element_get_visible_children	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
menu_set_active_menu_names	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
theme@2	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
drupal_get_js	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
block_page_build	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getBootstrapModules	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\Entity\DatabaseStorageController::load	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
Drupal\user\UserStorageController::attachLoad	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\Entity\Field\Type\Field::setValue	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%