XHProf: Hierarchical Profiler Report

Diff Report: Run #519ffa0e6cdec: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ffa6332b29: 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 #519ffa0e6cdec	Run #519ffa6332b29	Diff	Diff%
Number of Function Calls	63	63	0	0.0%
Incl. Wall Time (microsec)	26,809	26,872	63	0.2%
Incl. Wall Time (microsec) per call	426	427	1	0.2%
Excl. Wall Time (microsec)	368	356	-12	-3.3%
Incl. CPU (microsecs)	12,000	20,001	8,001	66.7%
Incl. CPU (microsecs) per call	190	317	127	66.7%
Excl. CPU (microsec)	0	0	0	N/A%
Incl. MemUse (bytes)	1,747,552	1,751,120	3,568	0.2%
Incl. MemUse (bytes) per call	27,739	27,796	57	0.2%
Excl. MemUse (bytes)	4,048	4,048	0	0.0%
Incl. PeakMemUse (bytes)	2,403,544	2,407,848	4,304	0.2%
Incl. PeakMemUse (bytes) per call	38,151	38,220	68	0.2%
Excl. PeakMemUse (bytes)	4,928	4,928	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	0	N/A%	63	3.0%	8,001	100.0%	3,568	5.3%	4,304	6.3%
Exclusive Metrics Diff for Current Function			-12	-19.0%	0	0.0%	0	0.0%	0	0.0%
*Parent functions*
Drupal\field\FieldInfo::getBundleInstances	0	N/A%	-303	-481.0%	4,000	50.0%	8	0.2%	-16	-0.4%
Drupal\Core\Config\CachedStorage::read	0	N/A%	217	344.4%	8,001	100.0%	0	0.0%	280	6.5%
Drupal\field\FieldInfo::getBundleExtraFields	0	N/A%	52	82.5%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getBootstrapModules	0	N/A%	46	73.0%	0	0.0%	0	0.0%	0	0.0%
menu_tree_page_data	0	N/A%	-42	-66.7%	-4,000	-50.0%	0	0.0%	128	3.0%
system_list	0	N/A%	40	63.5%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Utility\ThemeRegistry::__construct	0	N/A%	-26	-41.3%	0	0.0%	3,608	101.1%	4,136	96.1%
_menu_build_tree	0	N/A%	25	39.7%	-4,000	-50.0%	-40	-1.1%	-40	-0.9%
Drupal\Core\Entity\DatabaseStorageController::getFieldDefinitions	0	N/A%	20	31.7%	0	0.0%	8	0.2%	8	0.2%
_node_types_build	0	N/A%	18	28.6%	0	0.0%	0	0.0%	72	1.7%
variable_initialize	0	N/A%	10	15.9%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Plugin\Discovery\CacheDecorator::getCachedDefinitions	0	N/A%	5	7.9%	0	0.0%	0	0.0%	-152	-3.5%
entity_get_view_modes	0	N/A%	2	3.2%	0	0.0%	0	0.0%	0	0.0%
entity_get_bundles	0	N/A%	-1	-1.6%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getHookInfo	0	N/A%	0	0.0%	0	0.0%	16	0.4%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getCachedImplementationInfo	0	N/A%	0	0.0%	0	0.0%	-24	-0.7%	-104	-2.4%
Drupal\Core\Utility\CacheArray::__construct	0	N/A%	0	0.0%	4,000	50.0%	-8	-0.2%	-8	-0.2%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	76	120.6%	8,001	100.0%	3,568	100.0%	4,304	100.0%
reset	0	N/A%	-1	-1.6%	0	0.0%	0	0.0%	0	0.0%