XHProf: Hierarchical Profiler Report

Diff Report: Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

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

Drupal\Core\Cache\DatabaseBackend::get	Run #538e3ac0de109	Run #538e3b37c1a66	Diff	Diff%
Number of Function Calls	56	58	2	3.6%
Incl. Wall Time (microsec)	33,311	34,009	698	2.1%
Incl. Wall Time (microsec) per call	595	586	-8	-1.4%
Excl. Wall Time (microsec)	372	396	24	6.5%
Incl. CPU (microsecs)	24,741	25,027	286	1.2%
Incl. CPU (microsecs) per call	442	432	-10	-2.3%
Excl. CPU (microsec)	307	324	17	5.5%
Incl. MemUse (bytes)	3,719,360	3,725,216	5,856	0.2%
Incl. MemUse (bytes) per call	66,417	64,228	-2,189	-3.3%
Excl. MemUse (bytes)	3,368	2,936	-432	-12.8%
Incl. PeakMemUse (bytes)	4,341,728	4,352,248	10,520	0.2%
Incl. PeakMemUse (bytes) per call	77,531	75,039	-2,492	-3.2%
Excl. PeakMemUse (bytes)	3,728	3,728	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	2	33.3%	698	16.3%	286	7.7%	5,856	5.5%	10,520	8.9%
Exclusive Metrics Diff for Current Function			24	3.4%	17	5.9%	-432	-7.4%	0	0.0%
*Parent functions*
Drupal\Core\Template\TwigEnvironment::needsUpdate	2	100.0%	497	71.2%	249	87.1%	3,984	68.0%	23,400	222.4%
Drupal\Core\Plugin\DefaultPluginManager::getCachedDefinitions	0	0.0%	164	23.5%	66	23.1%	24	0.4%	-14,864	-141.3%
Drupal\Core\Entity\EntityManager::getFieldDefinitions	0	0.0%	86	12.3%	38	13.3%	40	0.7%	-136	-1.3%
Drupal\Core\Entity\EntityManager::getBaseFieldDefinitions	0	0.0%	-41	-5.9%	-48	-16.8%	16	0.3%	120	1.1%
Drupal\menu_link\MenuTree::doBuildTree	0	0.0%	31	4.4%	25	8.7%	24	0.4%	8	0.1%
Drupal\Core\Extension\ModuleHandler::getImplementationInfo	0	0.0%	-20	-2.9%	-18	-6.3%	-24	-0.4%	-64	-0.6%
Drupal\Core\Entity\EntityManager::getAllDisplayModesByEntityType	0	0.0%	-19	-2.7%	-15	-5.2%	0	0.0%	152	1.4%
Drupal\menu_link\MenuTree::buildPageData	0	0.0%	14	2.0%	1	0.3%	-16	-0.3%	-288	-2.7%
Drupal\Core\Cache\CacheCollector::lazyLoadCache	0	0.0%	-13	-1.9%	-8	-2.8%	0	0.0%	0	0.0%
Drupal\Core\Asset\LibraryDiscovery::getCache	0	0.0%	-12	-1.7%	-6	-2.1%	0	0.0%	48	0.5%
Drupal\Core\Utility\ThemeRegistry::__construct	0	0.0%	7	1.0%	7	2.4%	1,784	30.5%	2,120	20.2%
drupal_get_complete_schema	0	0.0%	5	0.7%	1	0.3%	0	0.0%	-80	-0.8%
system_list	0	0.0%	-1	-0.1%	-4	-1.4%	24	0.4%	80	0.8%
Drupal\Core\Menu\LocalTaskManager::getLocalTasksForRoute	0	0.0%	0	0.0%	2	0.7%	0	0.0%	-40	-0.4%
Drupal\Core\Entity\EntityManager::getExtraFields	0	0.0%	0	0.0%	-2	-0.7%	0	0.0%	64	0.6%
Drupal\Core\Entity\EntityManager::getFieldMap	0	0.0%	0	0.0%	-2	-0.7%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	2	50.0%	683	97.9%	266	93.0%	6,288	107.4%	10,520	100.0%
reset	2	50.0%	-9	-1.3%	3	1.0%	0	0.0%	0	0.0%