XHProf: Hierarchical Profiler Report

Diff Report: Run #519ff7de62889: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff693b4ca2: 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 #519ff7de62889	Run #519ff693b4ca2	Diff	Diff%
Number of Function Calls	69	69	0	0.0%
Incl. Wall Time (microsec)	43,190	42,743	-447	-1.0%
Incl. Wall Time (microsec) per call	626	619	-6	-1.0%
Excl. Wall Time (microsec)	640	591	-49	-7.7%
Incl. CPU (microsecs)	40,855	40,369	-486	-1.2%
Incl. CPU (microsecs) per call	592	585	-7	-1.2%
Excl. CPU (microsec)	608	558	-50	-8.2%
Incl. MemUse (bytes)	1,775,664	1,772,088	-3,576	-0.2%
Incl. MemUse (bytes) per call	25,734	25,682	-52	-0.2%
Excl. MemUse (bytes)	7,080	7,080	0	0.0%
Incl. PeakMemUse (bytes)	2,320,264	2,315,672	-4,592	-0.2%
Incl. PeakMemUse (bytes) per call	33,627	33,560	-67	-0.2%
Excl. PeakMemUse (bytes)	9,600	9,560	-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%