XHProf: Hierarchical Profiler Report

Diff Report: Run #51af435181b2e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af3d98520b7: 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 #51af435181b2e	Run #51af3d98520b7	Diff	Diff%
Number of Function Calls	46	46	0	0.0%
Incl. Wall Time (microsec)	37,921	37,948	27	0.1%
Incl. Wall Time (microsec) per call	824	825	1	0.1%
Excl. Wall Time (microsec)	351	357	6	1.7%
Incl. CPU (microsecs)	28,321	28,486	165	0.6%
Incl. CPU (microsecs) per call	616	619	4	0.6%
Excl. CPU (microsec)	322	315	-7	-2.2%
Incl. MemUse (bytes)	2,103,640	2,102,968	-672	-0.0%
Incl. MemUse (bytes) per call	45,731	45,717	-15	-0.0%
Excl. MemUse (bytes)	848	848	0	0.0%
Incl. PeakMemUse (bytes)	2,271,720	2,271,064	-656	-0.0%
Incl. PeakMemUse (bytes) per call	49,385	49,371	-14	-0.0%
Excl. PeakMemUse (bytes)	1,768	1,768	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%	27	3.4%	165	17.3%	-672	-1.0%	-656	-1.0%
Exclusive Metrics Diff for Current Function			6	22.2%	-7	-4.2%	0	0.0%	0	0.0%
*Parent functions*
Drupal\Core\Config\CachedStorage::read	0	N/A%	245	907.4%	-6	-3.6%	24	3.6%	16	2.4%
menu_tree_page_data	0	N/A%	-231	-855.6%	-124	-75.2%	0	0.0%	48	7.3%
Drupal\Core\Utility\ThemeRegistry::__construct	0	N/A%	-105	-388.9%	-38	-23.0%	-696	-103.6%	-808	-123.2%
Drupal\field\FieldInfo::getBundleInstances	0	N/A%	-70	-259.3%	261	158.2%	0	0.0%	-72	-11.0%
Drupal\Core\Utility\CacheArray::__construct	0	N/A%	42	155.6%	33	20.0%	0	0.0%	144	22.0%
_menu_build_tree	0	N/A%	40	148.1%	-13	-7.9%	-16	-2.4%	16	2.4%
Drupal\Core\Extension\CachedModuleHandler::getCachedImplementationInfo	0	N/A%	40	148.1%	19	11.5%	0	0.0%	0	0.0%
variable_initialize	0	N/A%	17	63.0%	7	4.2%	0	0.0%	0	0.0%
system_list	0	N/A%	17	63.0%	5	3.0%	0	0.0%	0	0.0%
Drupal\Core\Plugin\Discovery\CacheDecorator::getCachedDefinitions	0	N/A%	15	55.6%	39	23.6%	0	0.0%	0	0.0%
Drupal\Core\Entity\DatabaseStorageController::getFieldDefinitions	0	N/A%	10	37.0%	5	3.0%	0	0.0%	0	0.0%
Drupal\field\FieldInfo::getFieldMap	0	N/A%	7	25.9%	-2	-1.2%	0	0.0%	0	0.0%
_node_types_build	0	N/A%	-4	-14.8%	-9	-5.5%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getBootstrapModules	0	N/A%	4	14.8%	-12	-7.3%	16	2.4%	0	0.0%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	22	81.5%	174	105.5%	-672	-100.0%	-656	-100.0%
reset	0	N/A%	-1	-3.7%	-2	-1.2%	0	0.0%	0	0.0%