XHProf: Hierarchical Profiler Report

Diff Report: Run #5198f1db1bc51: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f0bb880ef: 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 #5198f1db1bc51	Run #5198f0bb880ef	Diff	Diff%
Number of Function Calls	160	159	-1	-0.6%
Incl. Wall Time (microsec)	60,134	60,907	773	1.3%
Incl. Wall Time (microsec) per call	376	383	7	1.9%
Excl. Wall Time (microsec)	2,388	2,399	11	0.5%
Incl. CPU (microsecs)	22,405	22,703	298	1.3%
Incl. CPU (microsecs) per call	140	143	3	2.0%
Excl. CPU (microsec)	2,013	1,983	-30	-1.5%
Incl. MemUse (bytes)	1,109,456	1,103,264	-6,192	-0.6%
Incl. MemUse (bytes) per call	6,934	6,939	5	0.1%
Excl. MemUse (bytes)	-137,592	-136,792	800	0.6%
Incl. PeakMemUse (bytes)	536,928	538,744	1,816	0.3%
Incl. PeakMemUse (bytes) per call	3,356	3,388	33	1.0%
Excl. PeakMemUse (bytes)	25,680	25,304	-376	-1.5%

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	-1	-20.0%	773	48.3%	298	13.4%	-6,192	-21.6%	1,816	4.7%
Exclusive Metrics Diff for Current Function			11	1.4%	-30	-10.1%	800	12.9%	-376	-20.7%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	-1	-100.0%	843	109.1%	173	58.1%	-6,192	-100.0%	-968	-53.3%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	0.0%	-329	-42.6%	-61	-20.5%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	0.0%	-114	-14.7%	-1	-0.3%	0	0.0%	-72	-4.0%
Drupal\Core\Database\Query\Select::execute	0	0.0%	111	14.4%	100	33.6%	-16	-0.3%	104	5.7%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	0.0%	104	13.5%	64	21.5%	0	0.0%	2,528	139.2%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	0.0%	78	10.1%	10	3.4%	8	0.1%	0	0.0%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	0.0%	70	9.1%	18	6.0%	8	0.1%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	0.0%	62	8.0%	-2	-0.7%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest	0	0.0%	-27	-3.5%	-17	-5.7%	0	0.0%	224	12.3%
Drupal\Core\Path\AliasManager::lookupPathSource	0	0.0%	-24	-3.1%	13	4.4%	0	0.0%	0	0.0%
db_query	0	0.0%	-8	-1.0%	-7	-2.3%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::getMultiple	0	0.0%	7	0.9%	8	2.7%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	-1	-25.0%	897	116.0%	431	144.6%	-5,288	-85.4%	2,072	114.1%
Drupal\Core\Database\Connection::expandArguments	-1	-25.0%	-76	-9.8%	-63	-21.1%	-8	-0.1%	240	13.2%
Drupal\Core\Database\Connection::prepareQuery	-1	-25.0%	-57	-7.4%	-44	-14.8%	-944	-15.2%	320	17.6%
Drupal\Core\Database\Connection::defaultOptions	-1	-25.0%	-4	-0.5%	0	0.0%	-760	-12.3%	-440	-24.2%
PDO::lastInsertId	0	0.0%	2	0.3%	4	1.3%	8	0.1%	0	0.0%