XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: 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 #51ec3c5ab9ae4	Run #51ec3b81ad265	Diff	Diff%
Number of Function Calls	63	63	0	0.0%
Incl. Wall Time (microsec)	25,396	26,772	1,376	5.4%
Incl. Wall Time (microsec) per call	403	425	22	5.4%
Excl. Wall Time (microsec)	398	407	9	2.3%
Incl. CPU (microsecs)	18,998	19,593	595	3.1%
Incl. CPU (microsecs) per call	302	311	9	3.1%
Excl. CPU (microsec)	369	386	17	4.6%
Incl. MemUse (bytes)	1,971,400	1,970,456	-944	-0.0%
Incl. MemUse (bytes) per call	31,292	31,277	-15	-0.0%
Excl. MemUse (bytes)	6,608	6,608	0	0.0%
Incl. PeakMemUse (bytes)	2,586,648	2,585,296	-1,352	-0.1%
Incl. PeakMemUse (bytes) per call	41,058	41,036	-21	-0.1%
Excl. PeakMemUse (bytes)	5,968	5,968	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%	1,376	367.9%	595	56.2%	-944	-2.5%	-1,352	-3.6%
Exclusive Metrics Diff for Current Function			9	0.7%	17	2.9%	0	0.0%	0	0.0%
*Parent functions*
Drupal\Core\Plugin\Discovery\CacheDecorator::getCachedDefinitions	0	N/A%	663	48.2%	278	46.7%	8	0.8%	-128	-9.5%
Drupal\views\ViewsData::cacheGet	0	N/A%	221	16.1%	120	20.2%	0	0.0%	0	0.0%
Drupal\Core\Plugin\DefaultPluginManager::getCachedDefinitions	0	N/A%	201	14.6%	78	13.1%	-8	-0.8%	-8	-0.6%
Drupal\Core\Config\CachedStorage::read	0	N/A%	133	9.7%	30	5.0%	0	0.0%	-128	-9.5%
_menu_build_tree	0	N/A%	65	4.7%	75	12.6%	-8	-0.8%	-8	-0.6%
Drupal\Core\Utility\CacheArray::__construct	0	N/A%	62	4.5%	29	4.9%	0	0.0%	0	0.0%
system_list	0	N/A%	-61	-4.4%	-18	-3.0%	0	0.0%	0	0.0%
Drupal\field\FieldInfo::getFieldMap	0	N/A%	-49	-3.6%	-30	-5.0%	0	0.0%	0	0.0%
Drupal\Core\Cache\CacheCollector::updateCache	0	N/A%	46	3.3%	2	0.3%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getCachedImplementationInfo	0	N/A%	39	2.8%	22	3.7%	-32	-3.4%	-32	-2.4%
Drupal\Core\Config\CachedStorage::findByPrefix	0	N/A%	34	2.5%	23	3.9%	0	0.0%	0	0.0%
views_cache_get	0	N/A%	32	2.3%	30	5.0%	0	0.0%	0	0.0%
Drupal\Core\Utility\ThemeRegistry::__construct	0	N/A%	-29	-2.1%	3	0.5%	-896	-94.9%	-1,000	-74.0%
Drupal\Core\Cache\CacheCollector::lazyLoadCache	0	N/A%	21	1.5%	-12	-2.0%	0	0.0%	0	0.0%
menu_tree_page_data	0	N/A%	-9	-0.7%	-39	-6.6%	0	0.0%	0	0.0%
Drupal\Core\Entity\EntityManager::getFieldDefinitions	0	N/A%	9	0.7%	8	1.3%	0	0.0%	0	0.0%
_toolbar_get_subtree_hash	0	N/A%	-1	-0.1%	-4	-0.7%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getHookInfo	0	N/A%	-1	-0.1%	-1	-0.2%	0	0.0%	0	0.0%
variable_initialize	0	N/A%	0	0.0%	1	0.2%	-8	-0.8%	-48	-3.6%
Drupal\Core\Extension\CachedModuleHandler::getBootstrapModules	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	1,368	99.4%	594	99.8%	-944	-100.0%	-1,352	-100.0%
reset	0	N/A%	-1	-0.1%	-16	-2.7%	0	0.0%	0	0.0%