XHProf: Hierarchical Profiler Report

Diff Report: Run #519c146573182: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c116ac5313: 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 #519c146573182	Run #519c116ac5313	Diff	Diff%
Number of Function Calls	86	86	0	0.0%
Incl. Wall Time (microsec)	73,881	76,756	2,875	3.9%
Incl. Wall Time (microsec) per call	859	893	33	3.9%
Excl. Wall Time (microsec)	816	800	-16	-2.0%
Incl. CPU (microsecs)	40,927	40,201	-726	-1.8%
Incl. CPU (microsecs) per call	476	467	-8	-1.8%
Excl. CPU (microsec)	765	730	-35	-4.6%
Incl. MemUse (bytes)	1,317,832	1,317,808	-24	-0.0%
Incl. MemUse (bytes) per call	15,324	15,323	-0	-0.0%
Excl. MemUse (bytes)	-3,532	-3,532	0	0.0%
Incl. PeakMemUse (bytes)	1,639,844	1,640,016	172	0.0%
Incl. PeakMemUse (bytes) per call	19,068	19,070	2	0.0%
Excl. PeakMemUse (bytes)	4,076	4,076	0	0.0%

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%	2,875	5.1%	-726	-1.2%	-24	-0.0%	172	0.1%
Exclusive Metrics Diff for Current Function			-16	-0.6%	-35	-4.8%	0	0.0%	0	0.0%
*Parent functions*
Drupal\Core\Plugin\Discovery\CacheDecorator::getCachedDefinitions	0	N/A%	780	27.1%	-67	-9.2%	0	0.0%	24	14.0%
menu_tree_page_data	0	N/A%	489	17.0%	68	9.4%	0	0.0%	0	0.0%
Drupal\views\ViewsData::cacheGet	0	N/A%	371	12.9%	208	28.7%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getCachedImplementationInfo	0	N/A%	369	12.8%	58	8.0%	0	0.0%	0	0.0%
Drupal\Core\Config\CachedStorage::read	0	N/A%	281	9.8%	-699	-96.3%	-12	-50.0%	48	27.9%
entity_get_bundles	0	N/A%	194	6.7%	-9	-1.2%	0	0.0%	0	0.0%
Drupal\field\FieldInfo::getBundleInstances	0	N/A%	-183	-6.4%	-27	-3.7%	0	0.0%	0	0.0%
views_cache_get	0	N/A%	177	6.2%	93	12.8%	0	0.0%	0	0.0%
Drupal\Core\Entity\DatabaseStorageController::getFieldDefinitions	0	N/A%	-160	-5.6%	33	4.5%	0	0.0%	0	0.0%
system_list	0	N/A%	123	4.3%	8	1.1%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getBootstrapModules	0	N/A%	101	3.5%	-5	-0.7%	0	0.0%	0	0.0%
Drupal\Core\Utility\ThemeRegistry::__construct	0	N/A%	99	3.4%	-172	-23.7%	0	0.0%	68	39.5%
_menu_build_tree	0	N/A%	94	3.3%	-134	-18.5%	-16	-66.7%	80	46.5%
variable_initialize	0	N/A%	69	2.4%	-28	-3.9%	0	0.0%	0	0.0%
_field_info_collate_types	0	N/A%	52	1.8%	52	7.2%	0	0.0%	0	0.0%
_node_types_build	0	N/A%	46	1.6%	-21	-2.9%	0	0.0%	0	0.0%
Drupal\Core\Utility\CacheArray::__construct	0	N/A%	-21	-0.7%	-82	-11.3%	4	16.7%	-48	-27.9%
Drupal\Core\Extension\CachedModuleHandler::getHookInfo	0	N/A%	-6	-0.2%	-2	-0.3%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	2,890	100.5%	-696	-95.9%	-24	-100.0%	172	100.0%
reset	0	N/A%	1	0.0%	5	0.7%	0	0.0%	0	0.0%