XHProf: Hierarchical Profiler Report

Diff Report: Run #519fe82fef731: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe6587b366: 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 #519fe82fef731	Run #519fe6587b366	Diff	Diff%
Number of Function Calls	51	51	0	0.0%
Incl. Wall Time (microsec)	18,473	20,562	2,089	11.3%
Incl. Wall Time (microsec) per call	362	403	41	11.3%
Excl. Wall Time (microsec)	198	207	9	4.5%
Incl. CPU (microsecs)	16,000	28,000	12,000	75.0%
Incl. CPU (microsecs) per call	314	549	235	75.0%
Excl. CPU (microsec)	0	0	0	N/A%
Incl. MemUse (bytes)	1,850,616	1,848,816	-1,800	-0.1%
Incl. MemUse (bytes) per call	36,287	36,251	-35	-0.1%
Excl. MemUse (bytes)	3,480	3,480	0	0.0%
Incl. PeakMemUse (bytes)	2,228,272	2,225,968	-2,304	-0.1%
Incl. PeakMemUse (bytes) per call	43,692	43,646	-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%