XHProf: Hierarchical Profiler Report

Diff Report: Run #531ccbd4518b6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccb2cb8e3d: 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 #531ccbd4518b6	Run #531ccb2cb8e3d	Diff	Diff%
Number of Function Calls	40	40	0	0.0%
Incl. Wall Time (microsec)	19,274	19,210	-64	-0.3%
Incl. Wall Time (microsec) per call	482	480	-2	-0.3%
Excl. Wall Time (microsec)	259	256	-3	-1.2%
Incl. CPU (microsecs)	14,097	14,044	-53	-0.4%
Incl. CPU (microsecs) per call	352	351	-1	-0.4%
Excl. CPU (microsec)	227	216	-11	-4.8%
Incl. MemUse (bytes)	2,434,968	2,434,184	-784	-0.0%
Incl. MemUse (bytes) per call	60,874	60,855	-20	-0.0%
Excl. MemUse (bytes)	9,288	9,288	0	0.0%
Incl. PeakMemUse (bytes)	2,646,000	2,646,080	80	0.0%
Incl. PeakMemUse (bytes) per call	66,150	66,152	2	0.0%
Excl. PeakMemUse (bytes)	3,040	2,984	-56	-1.8%

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%	-64	-65.3%	-53	-20.3%	-784	-2.0%	80	0.2%
Exclusive Metrics Diff for Current Function			-3	-4.7%	-11	-20.8%	0	0.0%	-56	-70.0%
*Parent functions*
drupal_get_complete_schema	0	N/A%	-126	-196.9%	-99	-186.8%	0	0.0%	0	0.0%
Drupal\Core\Plugin\DefaultPluginManager::getCachedDefinitions	0	N/A%	-117	-182.8%	-43	-81.1%	-16	-2.0%	-56	-70.0%
_menu_build_tree	0	N/A%	59	92.2%	59	111.3%	0	0.0%	712	890.0%
menu_tree_page_data	0	N/A%	40	62.5%	37	69.8%	16	2.0%	-8	-10.0%
Drupal\Core\Extension\CachedModuleHandler::getCachedImplementationInfo	0	N/A%	24	37.5%	2	3.8%	0	0.0%	64	80.0%
Drupal\Core\Plugin\Discovery\CacheDecorator::getCachedDefinitions	0	N/A%	19	29.7%	12	22.6%	16	2.0%	-24	-30.0%
drupal_get_library	0	N/A%	19	29.7%	16	30.2%	24	3.1%	-88	-110.0%
Drupal\Core\Config\CachedStorage::findByPrefix	0	N/A%	-16	-25.0%	-36	-67.9%	0	0.0%	-24	-30.0%
Drupal\Core\CacheDecorator\AliasManagerCacheDecorator::getSystemPath	0	N/A%	13	20.3%	6	11.3%	0	0.0%	72	90.0%
Drupal\field\FieldInfo::getFieldMap	0	N/A%	12	18.8%	-3	-5.7%	0	0.0%	-16	-20.0%
Drupal\Core\Menu\LocalTaskManager::getLocalTasksForRoute	0	N/A%	11	17.2%	3	5.7%	0	0.0%	80	100.0%
Drupal\Core\Utility\ThemeRegistry::__construct	0	N/A%	-9	-14.1%	-6	-11.3%	-896	-114.3%	-944	-1180.0%
Drupal\Core\Cache\CacheCollector::lazyLoadCache	0	N/A%	5	7.8%	3	5.7%	0	0.0%	128	160.0%
Drupal\Core\Entity\EntityManager::getBaseFieldDefinitions	0	N/A%	5	7.8%	8	15.1%	72	9.2%	24	30.0%
system_list	0	N/A%	-5	-7.8%	-6	-11.3%	0	0.0%	160	200.0%
_toolbar_get_subtrees_hash	0	N/A%	3	4.7%	0	0.0%	0	0.0%	0	0.0%
Drupal\user\PermissionsHash::generate	0	N/A%	-2	-3.1%	-4	-7.5%	0	0.0%	0	0.0%
Drupal\Core\Entity\EntityManager::getFieldDefinitions	0	N/A%	1	1.6%	-2	-3.8%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-62	-96.9%	-48	-90.6%	-784	-100.0%	136	170.0%
reset	0	N/A%	1	1.6%	6	11.3%	0	0.0%	0	0.0%