XHProf: Hierarchical Profiler Report

Diff Report: Run #52f5cbc19a0d8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for array_keys

array_keys	Run #52f5cbc19a0d8	Run #52f5cb0964fa0	Diff	Diff%
Number of Function Calls	1,148	1,148	0	0.0%
Incl. Wall Time (microsec)	631	638	7	1.1%
Incl. Wall Time (microsec) per call	1	1	0	1.1%
Excl. Wall Time (microsec)	631	638	7	1.1%
Incl. CPU (microsecs)	1,605	1,621	16	1.0%
Incl. CPU (microsecs) per call	1	1	0	1.0%
Excl. CPU (microsec)	1,605	1,621	16	1.0%
Incl. MemUse (bytes)	546,256	546,296	40	0.0%
Incl. MemUse (bytes) per call	476	476	0	0.0%
Excl. MemUse (bytes)	546,256	546,296	40	0.0%
Incl. PeakMemUse (bytes)	104,712	103,480	-1,232	-1.2%
Incl. PeakMemUse (bytes) per call	91	90	-1	-1.2%
Excl. PeakMemUse (bytes)	104,712	103,480	-1,232	-1.2%

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%	7	7.5%	16	8.2%	40	0.1%	-1,232	-4.1%
Exclusive Metrics Diff for Current Function			7	100.0%	16	100.0%	40	100.0%	-1,232	-100.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	-8	-114.3%	0	0.0%	264	660.0%	1,224	99.4%
Drupal\Core\Extension\ModuleHandler::getImplementations	0	N/A%	6	85.7%	16	100.0%	0	0.0%	1,000	81.2%
Drupal\Core\Render\Element::children	0	N/A%	5	71.4%	4	25.0%	16	40.0%	112	9.1%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	3	42.9%	-1	-6.2%	16	40.0%	0	0.0%
Drupal\Core\Extension\ModuleHandler::alter	0	N/A%	-3	-42.9%	-1	-6.2%	16	40.0%	-3,416	-277.3%
Drupal\Component\Plugin\DefaultPluginBag::__construct	0	N/A%	-2	-28.6%	-3	-18.8%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-2	-28.6%	14	87.5%	0	0.0%	48	3.9%
Drupal\Core\Field\FieldItemList::setValue	0	N/A%	2	28.6%	3	18.8%	0	0.0%	0	0.0%
Drupal\Core\Field\FieldItemBase::setValue	0	N/A%	2	28.6%	-9	-56.2%	0	0.0%	-136	-11.0%
block_page_build	0	N/A%	1	14.3%	-1	-6.2%	0	0.0%	352	28.6%
contextual_preprocess	-1	N/A%	1	14.3%	-4	-25.0%	-360	-900.0%	-416	-33.8%
theme@2	0	N/A%	-1	-14.3%	-1	-6.2%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteCompiler::getPathWithoutDefaults	0	N/A%	1	14.3%	3	18.8%	0	0.0%	0	0.0%
theme@1	0	N/A%	1	14.3%	-2	-12.5%	0	0.0%	0	0.0%
Drupal\Core\DrupalKernel::initializeContainer	0	N/A%	-1	-14.3%	0	0.0%	0	0.0%	0	0.0%
drupal_schema_fields_sql	0	N/A%	1	14.3%	2	12.5%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	1	14.3%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Render\Element::getVisibleChildren	0	N/A%	0	0.0%	2	12.5%	0	0.0%	0	0.0%
Drupal\Core\Asset\CssCollectionRenderer::render	0	N/A%	0	0.0%	-1	-6.2%	0	0.0%	0	0.0%
system_page_alter	0	N/A%	0	0.0%	-1	-6.2%	0	0.0%	0	0.0%
comment_entity_load	0	N/A%	0	0.0%	-1	-6.2%	0	0.0%	0	0.0%
Drupal\Core\Authentication\AuthenticationManager::defaultProviderId	0	N/A%	0	0.0%	-1	-6.2%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	N/A%	0	0.0%	-1	-6.2%	0	0.0%	0	0.0%
Drupal\Core\Entity\FieldableDatabaseStorageController::loadMultiple	1	N/A%	0	0.0%	1	6.2%	88	220.0%	0	0.0%
Drupal\Core\Entity\FieldableDatabaseStorageController::attachPropertyData	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
theme	0	N/A%	0	0.0%	-1	-6.2%	0	0.0%	0	0.0%
Drupal\user\UserStorageController::addRoles	0	N/A%	0	0.0%	-1	-6.2%	0	0.0%	0	0.0%