XHProf: Hierarchical Profiler Report

Diff Report: Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::query	Run #538e3b37c1a66	Run #538e3ac0de109	Diff	Diff%
Number of Function Calls	139	137	-2	-1.4%
Incl. Wall Time (microsec)	32,507	31,648	-859	-2.6%
Incl. Wall Time (microsec) per call	234	231	-3	-1.2%
Excl. Wall Time (microsec)	1,701	1,708	7	0.4%
Incl. CPU (microsecs)	14,524	14,293	-231	-1.6%
Incl. CPU (microsecs) per call	104	104	-0	-0.2%
Excl. CPU (microsec)	1,303	1,347	44	3.4%
Incl. MemUse (bytes)	838,656	826,048	-12,608	-1.5%
Incl. MemUse (bytes) per call	6,033	6,030	-4	-0.1%
Excl. MemUse (bytes)	-110,408	-108,832	1,576	1.4%
Incl. PeakMemUse (bytes)	575,552	571,336	-4,216	-0.7%
Incl. PeakMemUse (bytes) per call	4,141	4,170	30	0.7%
Excl. PeakMemUse (bytes)	40,264	39,968	-296	-0.7%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::query [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\Database\Connection::query	-2	-20.0%	-859	-20.0%	-231	-6.2%	-12,608	-11.8%	-4,216	-3.6%
Exclusive Metrics Diff for Current Function			7	0.8%	44	19.0%	1,576	12.5%	-296	-7.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	-2	-100.0%	-466	-54.2%	-115	-49.8%	-12,552	-99.6%	-4,496	-106.6%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	0.0%	-167	-19.4%	-65	-28.1%	0	0.0%	32	0.8%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	0.0%	-92	-10.7%	-24	-10.4%	0	0.0%	0	0.0%
Drupal\Core\Config\DatabaseStorage::readMultiple	0	0.0%	-80	-9.3%	-12	-5.2%	-24	-0.2%	360	8.5%
Drupal\Core\Path\AliasStorage::lookupPathSource	0	0.0%	-24	-2.8%	-18	-7.8%	-24	-0.2%	32	0.8%
Drupal\Core\Config\DatabaseStorage::listAll	0	0.0%	-16	-1.9%	-7	-3.0%	-8	-0.1%	0	0.0%
Drupal\user\UserStorage::addRoles	0	0.0%	-9	-1.0%	-9	-3.9%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	0.0%	-6	-0.7%	2	0.9%	0	0.0%	72	1.7%
Drupal\Core\Database\Query\Select::execute	0	0.0%	4	0.5%	21	9.1%	0	0.0%	-216	-5.1%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	0.0%	-3	-0.3%	-4	-1.7%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	-2	-25.0%	-752	-87.5%	-129	-55.8%	-10,688	-84.8%	-3,200	-75.9%
Drupal\Core\Database\Connection::expandArguments	-2	-25.0%	-54	-6.3%	-77	-33.3%	-16	-0.1%	-704	-16.7%
Drupal\Core\Database\Connection::defaultOptions	-2	-25.0%	-31	-3.6%	-21	-9.1%	-1,544	-12.2%	-680	-16.1%
Drupal\Core\Database\Connection::prepareQuery	-2	-25.0%	-29	-3.4%	-48	-20.8%	-1,936	-15.4%	664	15.7%