XHProf: Hierarchical Profiler Report

Diff Report: Run #517d51ae434de: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d52998923d: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for array_keys

array_keys	Run #517d51ae434de	Run #517d52998923d	Diff	Diff%
Number of Function Calls	477	478	1	0.2%
Incl. Wall Time (microsec)	548	556	8	1.5%
Incl. Wall Time (microsec) per call	1	1	0	1.2%
Excl. Wall Time (microsec)	548	556	8	1.5%
Incl. CPU (microsecs)	940	918	-22	-2.3%
Incl. CPU (microsecs) per call	2	2	-0	-2.5%
Excl. CPU (microsec)	940	918	-22	-2.3%
Incl. MemUse (bytes)	230,064	229,744	-320	-0.1%
Incl. MemUse (bytes) per call	482	481	-2	-0.3%
Excl. MemUse (bytes)	230,064	229,744	-320	-0.1%
Incl. PeakMemUse (bytes)	50,104	49,920	-184	-0.4%
Incl. PeakMemUse (bytes) per call	105	104	-1	-0.6%
Excl. PeakMemUse (bytes)	50,104	49,920	-184	-0.4%

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%	8	0.2%	-22	-0.9%	-320	-4.8%	-184	-2.8%
Exclusive Metrics Diff for Current Function			8	100.0%	-22	-100.0%	-320	-100.0%	-184	-100.0%
*Parent functions*
Drupal\Core\Database\Connection::expandArguments	0	0.0%	5	62.5%	-2	-9.1%	8	2.5%	0	0.0%
drupal_schema_fields_sql	0	0.0%	4	50.0%	4	18.2%	0	0.0%	0	0.0%
element_children	0	0.0%	-4	-50.0%	3	13.6%	0	0.0%	0	0.0%
Drupal\Core\Extension\ModuleHandler::getImplementations	1	100.0%	4	50.0%	-3	-13.6%	88	27.5%	-168	-91.3%
Drupal\user\UserStorageController::attachLoad	0	0.0%	-3	-37.5%	-3	-13.6%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	0.0%	2	25.0%	-6	-27.3%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	0.0%	1	12.5%	3	13.6%	0	0.0%	0	0.0%
element_get_visible_children	0	0.0%	-1	-12.5%	-2	-9.1%	0	0.0%	0	0.0%
Drupal\Core\DrupalKernel::initializeContainer	0	0.0%	-1	-12.5%	-3	-13.6%	0	0.0%	0	0.0%
theme@1	0	0.0%	1	12.5%	0	0.0%	0	0.0%	0	0.0%
block_page_build	0	0.0%	0	0.0%	-11	-50.0%	0	0.0%	0	0.0%
theme@2	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
system_page_alter	0	0.0%	0	0.0%	2	9.1%	0	0.0%	0	0.0%
field_content_languages	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Entity\Field\FieldItemBase::setValue	0	0.0%	0	0.0%	-1	-4.5%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getBootstrapModules	0	0.0%	0	0.0%	-1	-4.5%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	0.0%	0	0.0%	7	31.8%	-416	-130.0%	-16	-8.7%
Drupal\Core\Entity\DatabaseStorageController::load	0	0.0%	0	0.0%	-4	-18.2%	0	0.0%	0	0.0%
Drupal\node\NodeStorageController::attachLoad	0	0.0%	0	0.0%	1	4.5%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Entity\Field\Type\Field::setValue	0	0.0%	0	0.0%	-6	-27.3%	0	0.0%	0	0.0%