XHProf: Hierarchical Profiler Report

Diff Report: Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff7de62889: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::get

Drupal\Core\Cache\DatabaseBackend::get	Run #519ff693b4ca2	Run #519ff7de62889	Diff	Diff%
Number of Function Calls	69	69	0	0.0%
Incl. Wall Time (microsec)	42,743	43,190	447	1.0%
Incl. Wall Time (microsec) per call	619	626	6	1.0%
Excl. Wall Time (microsec)	591	640	49	8.3%
Incl. CPU (microsecs)	40,369	40,855	486	1.2%
Incl. CPU (microsecs) per call	585	592	7	1.2%
Excl. CPU (microsec)	558	608	50	9.0%
Incl. MemUse (bytes)	1,772,088	1,775,664	3,576	0.2%
Incl. MemUse (bytes) per call	25,682	25,734	52	0.2%
Excl. MemUse (bytes)	7,080	7,080	0	0.0%
Incl. PeakMemUse (bytes)	2,315,672	2,320,264	4,592	0.2%
Incl. PeakMemUse (bytes) per call	33,560	33,627	67	0.2%
Excl. PeakMemUse (bytes)	9,560	9,600	40	0.4%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::get [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*
Drupal\Core\Cache\DatabaseBackend::get	0	N/A%	447	39.5%	486	41.4%	3,576	5.2%	4,592	6.6%
Exclusive Metrics Diff for Current Function			49	11.0%	50	10.3%	0	0.0%	40	0.9%
*Parent functions*
Drupal\Core\Config\CachedStorage::read	0	N/A%	245	54.8%	256	52.7%	-24	-0.7%	320	7.0%
menu_tree_page_data	0	N/A%	118	26.4%	85	17.5%	0	0.0%	-72	-1.6%
Drupal\field\FieldInfo::getBundleInstances	0	N/A%	81	18.1%	121	24.9%	0	0.0%	0	0.0%
Drupal\field\FieldInfo::getBundleExtraFields	0	N/A%	52	11.6%	47	9.7%	0	0.0%	0	0.0%
Drupal\Core\Utility\CacheArray::__construct	0	N/A%	-32	-7.2%	-24	-4.9%	0	0.0%	64	1.4%
Drupal\Core\Plugin\Discovery\CacheDecorator::getCachedDefinitions	0	N/A%	-30	-6.7%	-31	-6.4%	8	0.2%	0	0.0%
Drupal\Core\Utility\ThemeRegistry::__construct	0	N/A%	29	6.5%	30	6.2%	3,608	100.9%	4,136	90.1%
Drupal\Core\Entity\DatabaseStorageController::getFieldDefinitions	0	N/A%	-8	-1.8%	0	0.0%	0	0.0%	56	1.2%
variable_initialize	0	N/A%	-5	-1.1%	0	0.0%	0	0.0%	0	0.0%
_menu_build_tree	0	N/A%	5	1.1%	3	0.6%	-16	-0.4%	-16	-0.3%
_node_types_build	0	N/A%	-4	-0.9%	-1	-0.2%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getBootstrapModules	0	N/A%	-4	-0.9%	1	0.2%	0	0.0%	0	0.0%
entity_get_bundles	0	N/A%	3	0.7%	3	0.6%	0	0.0%	0	0.0%
entity_get_view_modes	0	N/A%	-2	-0.4%	3	0.6%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getCachedImplementationInfo	0	N/A%	-1	-0.2%	-3	-0.6%	0	0.0%	104	2.3%
Drupal\Core\Extension\CachedModuleHandler::getHookInfo	0	N/A%	0	0.0%	1	0.2%	0	0.0%	0	0.0%
system_list	0	N/A%	0	0.0%	-5	-1.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	399	89.3%	438	90.1%	3,576	100.0%	4,552	99.1%
reset	0	N/A%	-1	-0.2%	-2	-0.4%	0	0.0%	0	0.0%