XHProf: Hierarchical Profiler Report

Diff Report: Run #52d3e983be01d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e93cb560e: 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 #52d3e983be01d	Run #52d3e93cb560e	Diff	Diff%
Number of Function Calls	35	38	3	8.6%
Incl. Wall Time (microsec)	14,562	15,173	611	4.2%
Incl. Wall Time (microsec) per call	416	399	-17	-4.0%
Excl. Wall Time (microsec)	217	248	31	14.3%
Incl. CPU (microsecs)	10,427	10,745	318	3.0%
Incl. CPU (microsecs) per call	298	283	-15	-5.1%
Excl. CPU (microsec)	188	211	23	12.2%
Incl. MemUse (bytes)	1,562,952	1,577,672	14,720	0.9%
Incl. MemUse (bytes) per call	44,656	41,518	-3,138	-7.0%
Excl. MemUse (bytes)	7,712	7,160	-552	-7.2%
Incl. PeakMemUse (bytes)	1,933,880	1,948,352	14,472	0.7%
Incl. PeakMemUse (bytes) per call	55,254	51,272	-3,981	-7.2%
Excl. PeakMemUse (bytes)	4,056	4,056	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	3	33.3%	611	17.3%	318	10.1%	14,720	10.2%	14,472	10.0%
Exclusive Metrics Diff for Current Function			31	5.1%	23	7.2%	-552	-3.8%	0	0.0%
*Parent functions*
Drupal\Core\Template\TwigEnvironment::needsUpdate	3	100.0%	692	113.3%	446	140.3%	5,936	40.3%	26,800	185.2%
menu_tree_page_data	0	0.0%	-104	-17.0%	-88	-27.7%	0	0.0%	-8,856	-61.2%
_menu_build_tree	0	0.0%	-85	-13.9%	-74	-23.3%	8	0.1%	-11,352	-78.4%
Drupal\Core\Plugin\DefaultPluginManager::getCachedDefinitions	0	0.0%	64	10.5%	30	9.4%	-8	-0.1%	752	5.2%
Drupal\Core\Utility\CacheArray::__construct	0	0.0%	27	4.4%	21	6.6%	8	0.1%	-32	-0.2%
Drupal\Core\Config\CachedStorage::findByPrefix	0	0.0%	-20	-3.3%	-22	-6.9%	0	0.0%	-64	-0.4%
Drupal\Core\Cache\CacheCollector::lazyLoadCache	0	0.0%	18	2.9%	6	1.9%	8	0.1%	-2,600	-18.0%
Drupal\Core\Plugin\Discovery\CacheDecorator::getCachedDefinitions	0	0.0%	-16	-2.6%	-13	-4.1%	16	0.1%	16	0.1%
Drupal\field\FieldInfo::getFieldMap	0	0.0%	11	1.8%	0	0.0%	0	0.0%	0	0.0%
system_list	0	0.0%	8	1.3%	1	0.3%	0	0.0%	0	0.0%
Drupal\Core\Utility\ThemeRegistry::__construct	0	0.0%	6	1.0%	6	1.9%	6,864	46.6%	7,736	53.5%
variable_initialize	0	0.0%	5	0.8%	3	0.9%	24	0.2%	0	0.0%
Drupal\Core\Entity\EntityManager::getFieldDefinitions	0	0.0%	3	0.5%	-1	-0.3%	-8	-0.1%	32	0.2%
Drupal\Core\Menu\LocalTaskManager::getLocalTasksForRoute	0	0.0%	2	0.3%	1	0.3%	0	0.0%	0	0.0%
Drupal\Core\Config\CachedStorage::read	0	0.0%	-1	-0.2%	-1	-0.3%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getCachedImplementationInfo	0	0.0%	1	0.2%	3	0.9%	1,872	12.7%	2,040	14.1%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	3	50.0%	583	95.4%	295	92.8%	15,272	103.8%	14,472	100.0%
reset	3	50.0%	-3	-0.5%	0	0.0%	0	0.0%	0	0.0%