XHProf: Hierarchical Profiler Report

Diff Report: Run #52d3e85377bba: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e812c7cf2: 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 #52d3e85377bba	Run #52d3e812c7cf2	Diff	Diff%
Number of Function Calls	39	41	2	5.1%
Incl. Wall Time (microsec)	16,006	16,336	330	2.1%
Incl. Wall Time (microsec) per call	410	398	-12	-2.9%
Excl. Wall Time (microsec)	240	274	34	14.2%
Incl. CPU (microsecs)	11,419	11,702	283	2.5%
Incl. CPU (microsecs) per call	293	285	-7	-2.5%
Excl. CPU (microsec)	206	236	30	14.6%
Incl. MemUse (bytes)	1,625,816	1,637,008	11,192	0.7%
Incl. MemUse (bytes) per call	41,688	39,927	-1,761	-4.2%
Excl. MemUse (bytes)	7,808	7,440	-368	-4.7%
Incl. PeakMemUse (bytes)	2,031,448	2,079,680	48,232	2.4%
Incl. PeakMemUse (bytes) per call	52,088	50,724	-1,365	-2.6%
Excl. PeakMemUse (bytes)	4,240	4,592	352	8.3%

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	2	33.3%	330	19.6%	283	17.5%	11,192	9.4%	48,232	40.3%
Exclusive Metrics Diff for Current Function			34	10.3%	30	10.6%	-368	-3.3%	352	0.7%
*Parent functions*
Drupal\Core\Template\TwigEnvironment::needsUpdate	2	100.0%	470	142.4%	314	111.0%	3,936	35.2%	24,952	51.7%
Drupal\Core\Menu\LocalTaskManager::getLocalTasksForRoute	0	0.0%	-52	-15.8%	-45	-15.9%	0	0.0%	184	0.4%
Drupal\Core\Extension\CachedModuleHandler::getCachedImplementationInfo	0	0.0%	-48	-14.5%	-21	-7.4%	2,264	20.2%	2,328	4.8%
Drupal\Core\Entity\EntityManager::getFieldDefinitions	0	0.0%	-33	-10.0%	-23	-8.1%	0	0.0%	-64	-0.1%
Drupal\Core\Config\CachedStorage::read	0	0.0%	32	9.7%	16	5.7%	0	0.0%	0	0.0%
Drupal\Core\Plugin\DefaultPluginManager::getCachedDefinitions	0	0.0%	-32	-9.7%	11	3.9%	-16	-0.1%	15,256	31.6%
system_list	0	0.0%	-30	-9.1%	-10	-3.5%	0	0.0%	0	0.0%
Drupal\Core\Cache\CacheCollector::lazyLoadCache	0	0.0%	-25	-7.6%	-25	-8.8%	0	0.0%	64	0.1%
variable_initialize	0	0.0%	14	4.2%	4	1.4%	24	0.2%	0	0.0%
Drupal\Core\Plugin\Discovery\CacheDecorator::getCachedDefinitions	0	0.0%	12	3.6%	28	9.9%	16	0.1%	16	0.0%
_menu_build_tree	0	0.0%	9	2.7%	13	4.6%	0	0.0%	0	0.0%
Drupal\field\FieldInfo::getFieldMap	0	0.0%	5	1.5%	2	0.7%	0	0.0%	0	0.0%
Drupal\Core\Utility\ThemeRegistry::__construct	0	0.0%	5	1.5%	5	1.8%	4,960	44.3%	5,688	11.8%
menu_tree_page_data	0	0.0%	2	0.6%	4	1.4%	8	0.1%	-256	-0.5%
Drupal\Core\Utility\CacheArray::__construct	0	0.0%	1	0.3%	2	0.7%	0	0.0%	72	0.1%
Drupal\field\FieldInfo::getBundleInstances	0	0.0%	-1	-0.3%	-1	-0.4%	0	0.0%	64	0.1%
Drupal\Core\Config\CachedStorage::findByPrefix	0	0.0%	1	0.3%	9	3.2%	0	0.0%	-72	-0.1%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	2	50.0%	300	90.9%	254	89.8%	11,560	103.3%	47,880	99.3%
reset	2	50.0%	-4	-1.2%	-1	-0.4%	0	0.0%	0	0.0%