XHProf: Hierarchical Profiler Report

Diff Report: Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af435181b2e: 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 #51af3d98520b7	Run #51af435181b2e	Diff	Diff%
Number of Function Calls	46	46	0	0.0%
Incl. Wall Time (microsec)	37,948	37,921	-27	-0.1%
Incl. Wall Time (microsec) per call	825	824	-1	-0.1%
Excl. Wall Time (microsec)	357	351	-6	-1.7%
Incl. CPU (microsecs)	28,486	28,321	-165	-0.6%
Incl. CPU (microsecs) per call	619	616	-4	-0.6%
Excl. CPU (microsec)	315	322	7	2.2%
Incl. MemUse (bytes)	2,102,968	2,103,640	672	0.0%
Incl. MemUse (bytes) per call	45,717	45,731	15	0.0%
Excl. MemUse (bytes)	848	848	0	0.0%
Incl. PeakMemUse (bytes)	2,271,064	2,271,720	656	0.0%
Incl. PeakMemUse (bytes) per call	49,371	49,385	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%