XHProf: Hierarchical Profiler Report

Diff Report: Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::get

Drupal\Core\Cache\DatabaseBackend::get	Run #517c76da9b0d3	Run #517c75d3de7c7	Diff	Diff%
Number of Function Calls	56	57	1	1.8%
Incl. Wall Time (microsec)	44,361	46,212	1,851	4.2%
Incl. Wall Time (microsec) per call	792	811	19	2.3%
Excl. Wall Time (microsec)	342	342	0	0.0%
Incl. CPU (microsecs)	29,604	30,133	529	1.8%
Incl. CPU (microsecs) per call	529	529	0	0.0%
Excl. CPU (microsec)	312	310	-2	-0.6%
Incl. MemUse (bytes)	1,764,328	1,765,104	776	0.0%
Incl. MemUse (bytes) per call	31,506	30,967	-539	-1.7%
Excl. MemUse (bytes)	4,392	4,240	-152	-3.5%
Incl. PeakMemUse (bytes)	2,305,336	2,299,936	-5,400	-0.2%
Incl. PeakMemUse (bytes) per call	41,167	40,350	-817	-2.0%
Excl. PeakMemUse (bytes)	4,312	4,216	-96	-2.2%

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	1	33.3%	1,851	0.7%	529	0.5%	776	0.3%	-5,400	-1.5%
Exclusive Metrics Diff for Current Function			0	0.0%	-2	-0.4%	-152	-19.6%	-96	-1.8%
*Parent functions*
Drupal\Core\Config\CachedStorage::read	1	100.0%	1,029	55.6%	262	49.5%	2,272	292.8%	-472	-8.7%
menu_tree_page_data	0	0.0%	872	47.1%	154	29.1%	64	8.2%	72	1.3%
_menu_build_tree	0	0.0%	306	16.5%	-23	-4.3%	-64	-8.2%	-64	-1.2%
Drupal\field\FieldInfo::getInstances	0	0.0%	-141	-7.6%	211	39.9%	8	1.0%	8	0.1%
system_list	0	0.0%	-111	-6.0%	-11	-2.1%	0	0.0%	0	0.0%
variable_initialize	0	0.0%	110	5.9%	59	11.2%	0	0.0%	0	0.0%
entity_get_view_modes	0	0.0%	-106	-5.7%	-62	-11.7%	0	0.0%	0	0.0%
Drupal\Core\Utility\CacheArray::__construct	0	0.0%	92	5.0%	-9	-1.7%	-8	-1.0%	-8	-0.1%
_node_types_build	0	0.0%	-53	-2.9%	63	11.9%	0	0.0%	0	0.0%
Drupal\field\FieldInfo::getBundleExtraFields	0	0.0%	-50	-2.7%	-53	-10.0%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getCachedImplementationInfo	0	0.0%	-47	-2.5%	20	3.8%	392	50.5%	456	8.4%
Drupal\Core\Plugin\Discovery\CacheDecorator::getCachedDefinitions	0	0.0%	-44	-2.4%	-32	-6.0%	-16	-2.1%	-16	-0.3%
_field_info_collate_types	0	0.0%	40	2.2%	31	5.9%	0	0.0%	0	0.0%
Drupal\Core\Utility\ThemeRegistry::__construct	0	0.0%	-28	-1.5%	-90	-17.0%	-1,872	-241.2%	-5,376	-99.6%
Drupal\Core\Extension\CachedModuleHandler::getBootstrapModules	0	0.0%	-15	-0.8%	10	1.9%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getHookInfo	0	0.0%	-3	-0.2%	-1	-0.2%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	1	50.0%	1,855	100.2%	534	100.9%	928	119.6%	-5,304	-98.2%
reset	1	50.0%	-4	-0.2%	-3	-0.6%	0	0.0%	0	0.0%