XHProf: Hierarchical Profiler Report

Diff Report: Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c75d3de7c7: 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 #517c76da9b0d3	Run #517c75d3de7c7	Diff	Diff%
Number of Function Calls	98	251	153	156.1%
Incl. Wall Time (microsec)	32,624	221,043	188,419	577.5%
Incl. Wall Time (microsec) per call	333	881	548	164.5%
Excl. Wall Time (microsec)	1,374	5,527	4,153	302.3%
Incl. CPU (microsecs)	13,832	36,252	22,420	162.1%
Incl. CPU (microsecs) per call	141	144	3	2.3%
Excl. CPU (microsec)	1,086	4,643	3,557	327.5%
Incl. MemUse (bytes)	634,136	657,928	23,792	3.8%
Incl. MemUse (bytes) per call	6,471	2,621	-3,850	-59.5%
Excl. MemUse (bytes)	-68,672	-1,034,416	-965,744	-1406.3%
Incl. PeakMemUse (bytes)	440,152	603,688	163,536	37.2%
Incl. PeakMemUse (bytes) per call	4,491	2,405	-2,086	-46.4%
Excl. PeakMemUse (bytes)	31,800	33,568	1,768	5.6%

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	153	16.7%	188,419	71.0%	22,420	22.6%	23,792	9.8%	163,536	46.3%
Exclusive Metrics Diff for Current Function			4,153	2.2%	3,557	15.9%	-965,744	-4059.1%	1,768	1.1%
*Parent functions*
Drupal\Core\Database\Driver\mysql\Insert::execute	151	98.7%	186,070	98.8%	21,771	97.1%	14,000	58.8%	162,480	99.4%
Drupal\Core\Cache\DatabaseBackend::getMultiple	1	0.7%	1,541	0.8%	236	1.1%	6,232	26.2%	-1,104	-0.7%
Drupal\Core\Database\Query\Select::execute	1	0.7%	646	0.3%	250	1.1%	3,568	15.0%	2,600	1.6%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	0.0%	325	0.2%	40	0.2%	-8	-0.0%	-440	-0.3%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	0.0%	-163	-0.1%	9	0.0%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest	0	0.0%	128	0.1%	54	0.2%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	0.0%	-111	-0.1%	60	0.3%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	0.0%	-107	-0.1%	-23	-0.1%	0	0.0%	0	0.0%
db_query	0	0.0%	98	0.1%	30	0.1%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	0.0%	-8	-0.0%	-7	-0.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	153	20.1%	179,426	95.2%	13,382	59.7%	648,576	2726.0%	156,576	95.7%
Drupal\Core\Database\Connection::prepareQuery	153	20.1%	2,923	1.6%	3,073	13.7%	219,040	920.6%	2,736	1.7%
Drupal\Core\Database\Connection::expandArguments	153	20.1%	1,264	0.7%	1,371	6.1%	8	0.0%	2,984	1.8%
PDO::lastInsertId	151	19.8%	505	0.3%	714	3.2%	5,632	23.7%	0	0.0%
Drupal\Core\Database\Connection::defaultOptions	153	20.1%	148	0.1%	323	1.4%	116,280	488.7%	-528	-0.3%