XHProf: Hierarchical Profiler Report

Diff Report: Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3ac0de109: 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 #538e3b37c1a66	Run #538e3ac0de109	Diff	Diff%
Number of Function Calls	58	56	-2	-3.4%
Incl. Wall Time (microsec)	34,009	33,311	-698	-2.1%
Incl. Wall Time (microsec) per call	586	595	8	1.4%
Excl. Wall Time (microsec)	396	372	-24	-6.1%
Incl. CPU (microsecs)	25,027	24,741	-286	-1.1%
Incl. CPU (microsecs) per call	432	442	10	2.4%
Excl. CPU (microsec)	324	307	-17	-5.2%
Incl. MemUse (bytes)	3,725,216	3,719,360	-5,856	-0.2%
Incl. MemUse (bytes) per call	64,228	66,417	2,189	3.4%
Excl. MemUse (bytes)	2,936	3,368	432	14.7%
Incl. PeakMemUse (bytes)	4,352,248	4,341,728	-10,520	-0.2%
Incl. PeakMemUse (bytes) per call	75,039	77,531	2,492	3.3%
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%