XHProf: Hierarchical Profiler Report

Diff Report: Run #519fe6587b366: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe82fef731: 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 #519fe6587b366	Run #519fe82fef731	Diff	Diff%
Number of Function Calls	51	51	0	0.0%
Incl. Wall Time (microsec)	20,562	18,473	-2,089	-10.2%
Incl. Wall Time (microsec) per call	403	362	-41	-10.2%
Excl. Wall Time (microsec)	207	198	-9	-4.3%
Incl. CPU (microsecs)	28,000	16,000	-12,000	-42.9%
Incl. CPU (microsecs) per call	549	314	-235	-42.9%
Excl. CPU (microsec)	0	0	0	N/A%
Incl. MemUse (bytes)	1,848,816	1,850,616	1,800	0.1%
Incl. MemUse (bytes) per call	36,251	36,287	35	0.1%
Excl. MemUse (bytes)	3,480	3,480	0	0.0%
Incl. PeakMemUse (bytes)	2,225,968	2,228,272	2,304	0.1%
Incl. PeakMemUse (bytes) per call	43,646	43,692	45	0.1%
Excl. PeakMemUse (bytes)	5,080	5,080	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%	-2,089	-49.7%	-12,000	-300.0%	1,800	2.9%	2,304	3.7%
Exclusive Metrics Diff for Current Function			-9	-0.4%	0	0.0%	0	0.0%	0	0.0%
*Parent functions*
Drupal\field\FieldInfo::getBundleInstances	0	N/A%	-1,075	-51.5%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Config\CachedStorage::read	0	N/A%	-615	-29.4%	-8,000	-66.7%	8	0.4%	72	3.1%
menu_tree_page_data	0	N/A%	-149	-7.1%	0	0.0%	0	0.0%	16	0.7%
Drupal\Core\Plugin\Discovery\CacheDecorator::getCachedDefinitions	0	N/A%	126	6.0%	0	0.0%	0	0.0%	0	0.0%
_menu_build_tree	0	N/A%	-97	-4.6%	0	0.0%	-8	-0.4%	-24	-1.0%
Drupal\field\FieldInfo::getFieldMap	0	N/A%	93	4.5%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Utility\CacheArray::__construct	0	N/A%	-75	-3.6%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getBootstrapModules	0	N/A%	-71	-3.4%	0	0.0%	0	0.0%	0	0.0%
system_list	0	N/A%	-66	-3.2%	4,000	33.3%	0	0.0%	0	0.0%
Drupal\Core\Extension\CachedModuleHandler::getCachedImplementationInfo	0	N/A%	-63	-3.0%	-4,000	-33.3%	0	0.0%	104	4.5%
Drupal\Core\Entity\DatabaseStorageController::getFieldDefinitions	0	N/A%	-53	-2.5%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Utility\ThemeRegistry::__construct	0	N/A%	-33	-1.6%	-4,000	-33.3%	1,800	100.0%	2,136	92.7%
_node_types_build	0	N/A%	-14	-0.7%	0	0.0%	0	0.0%	0	0.0%
variable_initialize	0	N/A%	3	0.1%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-2,078	-99.5%	-12,000	-100.0%	1,800	100.0%	2,304	100.0%
reset	0	N/A%	-2	-0.1%	0	0.0%	0	0.0%	0	0.0%