XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec227a9cea0: 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 #51ec243650361	Run #51ec227a9cea0	Diff	Diff%
Number of Function Calls	71	71	0	0.0%
Incl. Wall Time (microsec)	38,205	37,333	-872	-2.3%
Incl. Wall Time (microsec) per call	538	526	-12	-2.3%
Excl. Wall Time (microsec)	450	447	-3	-0.7%
Incl. CPU (microsecs)	28,470	27,874	-596	-2.1%
Incl. CPU (microsecs) per call	401	393	-8	-2.1%
Excl. CPU (microsec)	415	415	0	0.0%
Incl. MemUse (bytes)	2,441,232	2,440,808	-424	-0.0%
Incl. MemUse (bytes) per call	34,384	34,378	-6	-0.0%
Excl. MemUse (bytes)	6,856	6,856	0	0.0%
Incl. PeakMemUse (bytes)	2,984,848	2,985,256	408	0.0%
Incl. PeakMemUse (bytes) per call	42,040	42,046	6	0.0%
Excl. PeakMemUse (bytes)	5,320	5,368	48	0.9%

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%	-872	-10.1%	-596	-9.1%	-424	-1.4%	408	1.3%
Exclusive Metrics Diff for Current Function			-3	-0.3%	0	0.0%	0	0.0%	48	11.8%
*Parent functions*
Drupal\Core\Config\CachedStorage::read	0	N/A%	-508	-58.3%	-217	-36.4%	96	22.6%	1,544	378.4%
image_effect_definitions	0	N/A%	393	45.1%	74	12.4%	0	0.0%	0	0.0%
Drupal\field\FieldInfo::getBundleInstances	0	N/A%	-390	-44.7%	-106	-17.8%	-40	-9.4%	88	21.6%
Drupal\Core\Entity\EntityManager::getFieldDefinitions	0	N/A%	340	39.0%	70	11.7%	0	0.0%	-40	-9.8%
Drupal\Core\Config\CachedStorage::findByPrefix	0	N/A%	-213	-24.4%	-66	-11.1%	0	0.0%	16	3.9%
Drupal\Core\Extension\CachedModuleHandler::getCachedImplementationInfo	0	N/A%	-149	-17.1%	-56	-9.4%	0	0.0%	-104	-25.5%
menu_tree_page_data	0	N/A%	-137	-15.7%	-70	-11.7%	0	0.0%	-288	-70.6%
Drupal\Core\Plugin\DefaultPluginManager::getCachedDefinitions	0	N/A%	-103	-11.8%	-92	-15.4%	-8	-1.9%	-80	-19.6%
Drupal\Core\Extension\CachedModuleHandler::getHookInfo	0	N/A%	-75	-8.6%	3	0.5%	0	0.0%	0	0.0%
views_cache_get	0	N/A%	74	8.5%	11	1.8%	0	0.0%	-64	-15.7%
Drupal\views\ViewsData::cacheGet	0	N/A%	-72	-8.3%	-69	-11.6%	0	0.0%	0	0.0%
_menu_build_tree	0	N/A%	62	7.1%	87	14.6%	0	0.0%	32	7.8%
system_list	0	N/A%	-62	-7.1%	-46	-7.7%	24	5.7%	40	9.8%
variable_initialize	0	N/A%	-60	-6.9%	-56	-9.4%	0	0.0%	0	0.0%
Drupal\field\FieldInfo::getBundleExtraFields	0	N/A%	59	6.8%	30	5.0%	0	0.0%	0	0.0%
Drupal\Core\Utility\CacheArray::__construct	0	N/A%	-38	-4.4%	-21	-3.5%	8	1.9%	-368	-90.2%
Drupal\Core\Utility\ThemeRegistry::__construct	0	N/A%	28	3.2%	26	4.4%	-560	-132.1%	-488	-119.6%
Drupal\Core\Plugin\Discovery\CacheDecorator::getCachedDefinitions	0	N/A%	-12	-1.4%	-58	-9.7%	56	13.2%	-32	-7.8%
Drupal\Core\Extension\CachedModuleHandler::getBootstrapModules	0	N/A%	-8	-0.9%	-6	-1.0%	0	0.0%	0	0.0%
Drupal\Core\Cache\CacheCollector::updateCache	0	N/A%	-1	-0.1%	1	0.2%	0	0.0%	248	60.8%
Drupal\Core\Cache\CacheCollector::lazyLoadCache	0	N/A%	-1	-0.1%	-1	-0.2%	0	0.0%	0	0.0%
entity_get_view_modes	0	N/A%	1	0.1%	-34	-5.7%	0	0.0%	-96	-23.5%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-869	-99.7%	-593	-99.5%	-424	-100.0%	360	88.2%
reset	0	N/A%	0	0.0%	-3	-0.5%	0	0.0%	0	0.0%