XHProf: Hierarchical Profiler Report

Diff Report: Run #557c2635273b3: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #557c27da9db93: XHProf Run (Namespace=drupal-perf-lauriii)
Tip: Click a function name below to drill down.

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

Drupal\Core\Database\Connection::query	Run #557c2635273b3	Run #557c27da9db93	Diff	Diff%
Number of Function Calls	170	176	6	3.5%
Incl. Wall Time (microsec)	15,139	26,018	10,879	71.9%
Incl. Wall Time (microsec) per call	89	148	59	66.0%
Excl. Wall Time (microsec)	1,528	1,587	59	3.9%
Incl. MemUse (bytes)	426,408	437,552	11,144	2.6%
Incl. MemUse (bytes) per call	2,508	2,486	-22	-0.9%
Excl. MemUse (bytes)	-146,104	-160,472	-14,368	-9.8%
Incl. PeakMemUse (bytes)	245,496	243,264	-2,232	-0.9%
Incl. PeakMemUse (bytes) per call	1,444	1,382	-62	-4.3%
Excl. PeakMemUse (bytes)	29,224	29,256	32	0.1%

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. MemUse Diff (bytes)	IMemUse Diff%	Incl. PeakMemUse Diff (bytes)	IPeakMemUse Diff%
*Current Function*
Drupal\Core\Database\Connection::query	6	18.2%	10,879	44.1%	11,144	1.5%	-2,232	-0.4%
Exclusive Metrics Diff for Current Function			59	0.5%	-14,368	-128.9%	32	1.4%
*Parent functions*
Drupal\Core\Database\Query\Delete::execute	1	16.7%	4,117	37.8%	728	6.5%	0	0.0%
Drupal\Core\Database\Query\Update::execute	1	16.7%	3,188	29.3%	2,704	24.3%	0	0.0%
Drupal\Core\Database\Driver\mysql\Insert::execute	1	16.7%	2,826	26.0%	1,712	15.4%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple	2	33.3%	545	5.0%	4,456	40.0%	-1,872	-83.9%
Drupal\Core\Database\Query\Select::execute	1	16.7%	140	1.3%	1,544	13.9%	0	0.0%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum	0	0.0%	62	0.6%	0	0.0%	-464	-20.8%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	0.0%	17	0.2%	0	0.0%	176	7.9%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	0.0%	-12	-0.1%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasStorage::lookupPathSource	0	0.0%	-8	-0.1%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::preLoadRoutes	0	0.0%	4	0.0%	0	0.0%	-72	-3.2%
*Child functions*
Drupal\Core\Database\Statement::execute	6	22.2%	10,895	100.1%	12,592	113.0%	-1,288	-57.7%
Drupal\Core\Database\Connection::expandArguments	6	22.2%	-83	-0.8%	40	0.4%	-272	-12.2%
Drupal\Core\Database\Connection::defaultOptions	6	22.2%	-13	-0.1%	4,560	40.9%	0	0.0%
Drupal\Core\Database\Statement::rowCount	2	7.4%	10	0.1%	1,728	15.5%	0	0.0%
Drupal\Core\Database\Connection::prepareQuery	6	22.2%	8	0.1%	5,904	53.0%	-704	-31.5%
PDO::lastInsertId	1	3.7%	3	0.0%	688	6.2%	0	0.0%