XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: 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 #51ec3b81ad265	Run #51ec3c5ab9ae4	Diff	Diff%
Number of Function Calls	63	63	0	0.0%
Incl. Wall Time (microsec)	26,772	25,396	-1,376	-5.1%
Incl. Wall Time (microsec) per call	425	403	-22	-5.1%
Excl. Wall Time (microsec)	407	398	-9	-2.2%
Incl. CPU (microsecs)	19,593	18,998	-595	-3.0%
Incl. CPU (microsecs) per call	311	302	-9	-3.0%
Excl. CPU (microsec)	386	369	-17	-4.4%
Incl. MemUse (bytes)	1,970,456	1,971,400	944	0.0%
Incl. MemUse (bytes) per call	31,277	31,292	15	0.0%
Excl. MemUse (bytes)	6,608	6,608	0	0.0%
Incl. PeakMemUse (bytes)	2,585,296	2,586,648	1,352	0.1%
Incl. PeakMemUse (bytes) per call	41,036	41,058	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%