XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: 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 #51ec517fc2424	Run #51ec52a09990a	Diff	Diff%
Number of Function Calls	72	72	0	0.0%
Incl. Wall Time (microsec)	38,734	38,124	-610	-1.6%
Incl. Wall Time (microsec) per call	538	530	-8	-1.6%
Excl. Wall Time (microsec)	471	459	-12	-2.5%
Incl. CPU (microsecs)	29,377	28,941	-436	-1.5%
Incl. CPU (microsecs) per call	408	402	-6	-1.5%
Excl. CPU (microsec)	447	439	-8	-1.8%
Incl. MemUse (bytes)	2,713,912	2,714,832	920	0.0%
Incl. MemUse (bytes) per call	37,693	37,706	13	0.0%
Excl. MemUse (bytes)	8,320	8,344	24	0.3%
Incl. PeakMemUse (bytes)	3,168,064	3,172,264	4,200	0.1%
Incl. PeakMemUse (bytes) per call	44,001	44,059	58	0.1%
Excl. PeakMemUse (bytes)	5,816	6,128	312	5.4%

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%	-610	-14.9%	-436	-10.2%	920	4.2%	4,200	18.3%
Exclusive Metrics Diff for Current Function			-12	-2.0%	-8	-1.8%	24	2.6%	312	7.4%
*Parent functions*
Drupal\field\FieldInfo::getBundleInstances	0	N/A%	-500	-82.0%	-240	-55.0%	-16	-1.7%	-424	-10.1%
Drupal\Core\Plugin\Discovery\CacheDecorator::getCachedDefinitions	0	N/A%	-350	-57.4%	-282	-64.7%	0	0.0%	-1,528	-36.4%
Drupal\Core\Utility\CacheArray::__construct	0	N/A%	-271	-44.4%	-151	-34.6%	0	0.0%	0	0.0%
filter_list_format	0	N/A%	255	41.8%	-19	-4.4%	24	2.6%	0	0.0%
entity_get_view_modes	0	N/A%	207	33.9%	16	3.7%	0	0.0%	416	9.9%
Drupal\Core\Entity\EntityManager::getFieldDefinitions	0	N/A%	204	33.4%	14	3.2%	24	2.6%	24	0.6%
Drupal\Core\Utility\ThemeRegistry::__construct	0	N/A%	193	31.6%	30	6.9%	896	97.4%	992	23.6%
Drupal\Core\Cache\CacheCollector::lazyLoadCache	0	N/A%	164	26.9%	42	9.6%	-24	-2.6%	1,840	43.8%
Drupal\Core\Config\CachedStorage::findByPrefix	0	N/A%	-163	-26.7%	-44	-10.1%	-80	-8.7%	24	0.6%
Drupal\views\ViewsData::cacheGet	0	N/A%	-125	-20.5%	-52	-11.9%	0	0.0%	0	0.0%
menu_tree_page_data	0	N/A%	-117	-19.2%	-30	-6.9%	-16	-1.7%	208	5.0%
Drupal\field\FieldInfo::getBundleExtraFields	0	N/A%	-74	-12.1%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Plugin\DefaultPluginManager::getCachedDefinitions	0	N/A%	60	9.8%	18	4.1%	-8	-0.9%	-8	-0.2%
Drupal\Core\Extension\CachedModuleHandler::getBootstrapModules	0	N/A%	-48	-7.9%	-3	-0.7%	0	0.0%	0	0.0%
_toolbar_get_subtree_hash	0	N/A%	-41	-6.7%	12	2.8%	0	0.0%	0	0.0%
Drupal\field\FieldInfo::getFieldMap	0	N/A%	-23	-3.8%	9	2.1%	0	0.0%	0	0.0%
Drupal\Core\Cache\CacheCollector::updateCache	0	N/A%	21	3.4%	28	6.4%	0	0.0%	104	2.5%
views_cache_get	0	N/A%	-11	-1.8%	5	1.1%	0	0.0%	0	0.0%
_menu_build_tree	0	N/A%	11	1.8%	-1	-0.2%	64	7.0%	440	10.5%
Drupal\Core\Extension\CachedModuleHandler::getCachedImplementationInfo	0	N/A%	10	1.6%	19	4.4%	-24	-2.6%	-24	-0.6%
Drupal\Core\Extension\CachedModuleHandler::getHookInfo	0	N/A%	-8	-1.3%	-2	-0.5%	0	0.0%	128	3.0%
variable_initialize	0	N/A%	-8	-1.3%	4	0.9%	0	0.0%	0	0.0%
Drupal\Core\Config\CachedStorage::read	0	N/A%	8	1.3%	191	43.8%	80	8.7%	2,008	47.8%
system_list	0	N/A%	-4	-0.7%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-598	-98.0%	-422	-96.8%	896	97.4%	3,888	92.6%
reset	0	N/A%	0	0.0%	-6	-1.4%	0	0.0%	0	0.0%