XHProf: Hierarchical Profiler Report

Diff Report: Run #5204417bc7ab7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5204425923c81: 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 #5204417bc7ab7	Run #5204425923c81	Diff	Diff%
Number of Function Calls	146	146	0	0.0%
Incl. Wall Time (microsec)	59,391	58,210	-1,181	-2.0%
Incl. Wall Time (microsec) per call	407	399	-8	-2.0%
Excl. Wall Time (microsec)	2,321	2,292	-29	-1.2%
Incl. CPU (microsecs)	21,701	21,249	-452	-2.1%
Incl. CPU (microsecs) per call	149	146	-3	-2.1%
Excl. CPU (microsec)	1,963	1,935	-28	-1.4%
Incl. MemUse (bytes)	925,688	925,640	-48	-0.0%
Incl. MemUse (bytes) per call	6,340	6,340	-0	-0.0%
Excl. MemUse (bytes)	-117,264	-117,272	-8	-0.0%
Incl. PeakMemUse (bytes)	628,008	628,160	152	0.0%
Incl. PeakMemUse (bytes) per call	4,301	4,302	1	0.0%
Excl. PeakMemUse (bytes)	44,664	44,696	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. CPU Diff (microsec)	ICpu Diff%	Incl. MemUse Diff (bytes)	IMemUse Diff%	Incl. PeakMemUse Diff (bytes)	IPeakMemUse Diff%
*Current Function*
Drupal\Core\Database\Connection::query	0	N/A%	-1,181	-1494.9%	-452	-57.9%	-48	-0.1%	152	0.3%
Exclusive Metrics Diff for Current Function			-29	-2.5%	-28	-6.2%	-8	-16.7%	32	21.1%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-918	-77.7%	-328	-72.6%	-16	-33.3%	128	84.2%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	-237	-20.1%	-51	-11.3%	0	0.0%	144	94.7%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	-204	-17.3%	-34	-7.5%	0	0.0%	-40	-26.3%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	152	12.9%	-22	-4.9%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Update::execute	0	N/A%	124	10.5%	55	12.2%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::execute	0	N/A%	-117	-9.9%	-75	-16.6%	-24	-50.0%	-24	-15.8%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	-79	-6.7%	2	0.4%	0	0.0%	8	5.3%
Drupal\Core\Database\Query\Delete::execute	0	N/A%	57	4.8%	2	0.4%	0	0.0%	-48	-31.6%
db_query	0	N/A%	52	4.4%	23	5.1%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	-25	-2.1%	10	2.2%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	23	1.9%	-1	-0.2%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-9	-0.8%	-31	-6.9%	-8	-16.7%	-16	-10.5%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	0	0.0%	-2	-0.4%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	-1,060	-89.8%	-339	-75.0%	-24	-50.0%	48	31.6%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-63	-5.3%	-61	-13.5%	0	0.0%	112	73.7%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	-32	-2.7%	-39	-8.6%	-16	-33.3%	-40	-26.3%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	3	0.3%	16	3.5%	0	0.0%	0	0.0%
PDOStatement::rowCount	0	N/A%	0	0.0%	-1	-0.2%	0	0.0%	0	0.0%
PDO::lastInsertId	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%