XHProf: Hierarchical Profiler Report

Diff Report: Run #531ee5f3237b0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ee657ba49e: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for array_keys

array_keys	Run #531ee5f3237b0	Run #531ee657ba49e	Diff	Diff%
Number of Function Calls	1,228	1,218	-10	-0.8%
Incl. Wall Time (microsec)	1,564	1,537	-27	-1.7%
Incl. Wall Time (microsec) per call	1	1	-0	-0.9%
Excl. Wall Time (microsec)	1,564	1,537	-27	-1.7%
Incl. CPU (microsecs)	2,593	2,534	-59	-2.3%
Incl. CPU (microsecs) per call	2	2	-0	-1.5%
Excl. CPU (microsec)	2,593	2,534	-59	-2.3%
Incl. MemUse (bytes)	2,293,760	2,294,080	320	0.0%
Incl. MemUse (bytes) per call	1,868	1,883	16	0.8%
Excl. MemUse (bytes)	2,293,760	2,294,080	320	0.0%
Incl. PeakMemUse (bytes)	157,832	154,832	-3,000	-1.9%
Incl. PeakMemUse (bytes) per call	129	127	-1	-1.1%
Excl. PeakMemUse (bytes)	157,832	154,832	-3,000	-1.9%

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	-10	-100.0%	-27	-1.1%	-59	-2.0%	320	0.4%	-3,000	-3.8%
Exclusive Metrics Diff for Current Function			-27	-100.0%	-59	-100.0%	320	100.0%	-3,000	-100.0%
*Parent functions*
Drupal\Core\Extension\ModuleHandler::getImplementations	-1	-10.0%	-23	-85.2%	-15	-25.4%	-64	-20.0%	-696	-23.2%
Drupal\Core\Cache\DatabaseBackend::checksumTags	1	10.0%	-23	-85.2%	-26	-44.1%	664	207.5%	-3,032	-101.1%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	0.0%	13	48.1%	1	1.7%	-24	-7.5%	64	2.1%
drupal_schema_fields_sql	0	0.0%	-6	-22.2%	-9	-15.3%	40	12.5%	-8	-0.3%
Drupal\Core\Render\Element::children	-12	-120.0%	6	22.2%	-13	-22.0%	-1,064	-332.5%	-8	-0.3%
Drupal\Core\Routing\RouteCompiler::getPathWithoutDefaults	0	0.0%	4	14.8%	2	3.4%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple	1	10.0%	3	11.1%	5	8.5%	400	125.0%	0	0.0%
Drupal\Core\Extension\ModuleHandler::alter	0	0.0%	-2	-7.4%	-4	-6.8%	0	0.0%	-40	-1.3%
Drupal\Core\Database\Connection::expandArguments	1	10.0%	2	7.4%	1	1.7%	336	105.0%	0	0.0%
_theme@1	-1	-10.0%	1	3.7%	-1	-1.7%	-336	-105.0%	-392	-13.1%
_theme@2	0	0.0%	-1	-3.7%	-1	-1.7%	0	0.0%	0	0.0%
contextual_preprocess	1	10.0%	-1	-3.7%	2	3.4%	336	105.0%	1,112	37.1%
Drupal\Core\Render\Element::getVisibleChildren	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Field\FieldItemBase::setValue	0	0.0%	0	0.0%	2	3.4%	0	0.0%	0	0.0%
Drupal\Core\Config\Entity\Query\Condition::matchArray@1	0	0.0%	0	0.0%	-1	-1.7%	16	5.0%	0	0.0%
Drupal\Core\Asset\CssCollectionRenderer::render	0	0.0%	0	0.0%	-1	-1.7%	16	5.0%	0	0.0%
drupal_get_js	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Entity\FieldableDatabaseStorageController::attachPropertyData	0	0.0%	0	0.0%	-1	-1.7%	0	0.0%	0	0.0%
Drupal\Core\Entity\FieldableDatabaseStorageController::loadMultiple	0	0.0%	0	0.0%	-4	-6.8%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	0.0%	0	0.0%	-1	-1.7%	0	0.0%	0	0.0%
Drupal\Core\Authentication\AuthenticationManager::defaultProviderId	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
block_page_build	0	0.0%	0	0.0%	1	1.7%	0	0.0%	0	0.0%
Drupal\Core\DrupalKernel::initializeContainer	0	0.0%	0	0.0%	3	5.1%	0	0.0%	0	0.0%
system_page_alter	0	0.0%	0	0.0%	1	1.7%	0	0.0%	0	0.0%
_theme	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%