XHProf: Hierarchical Profiler Report

Diff Report: Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: 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 #51fdbdbb58abc	Run #51fdbca2b5409	Diff	Diff%
Number of Function Calls	169	169	0	0.0%
Incl. Wall Time (microsec)	60,364	60,139	-225	-0.4%
Incl. Wall Time (microsec) per call	357	356	-1	-0.4%
Excl. Wall Time (microsec)	2,573	2,559	-14	-0.5%
Incl. CPU (microsecs)	23,348	23,924	576	2.5%
Incl. CPU (microsecs) per call	138	142	3	2.5%
Excl. CPU (microsec)	2,135	2,126	-9	-0.4%
Incl. MemUse (bytes)	1,058,256	1,058,176	-80	-0.0%
Incl. MemUse (bytes) per call	6,262	6,261	-0	-0.0%
Excl. MemUse (bytes)	-138,800	-138,800	0	0.0%
Incl. PeakMemUse (bytes)	755,056	753,736	-1,320	-0.2%
Incl. PeakMemUse (bytes) per call	4,468	4,460	-8	-0.2%
Excl. PeakMemUse (bytes)	46,920	46,712	-208	-0.4%

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%	-225	-23.7%	576	800.0%	-80	-0.3%	-1,320	-4.3%
Exclusive Metrics Diff for Current Function			-14	-6.2%	-9	-1.6%	0	0.0%	-208	-15.8%
*Parent functions*
Drupal\Core\Database\Query\Select::execute	0	N/A%	286	127.1%	227	39.4%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Delete::execute	0	N/A%	-243	-108.0%	-36	-6.2%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-237	-105.3%	-72	-12.5%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	-210	-93.3%	309	53.6%	0	0.0%	224	17.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-197	-87.6%	131	22.7%	-56	-70.0%	-920	-69.7%
Drupal\Core\Database\Query\Update::execute	0	N/A%	137	60.9%	20	3.5%	0	0.0%	64	4.8%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	-106	-47.1%	-24	-4.2%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	105	46.7%	48	8.3%	-24	-30.0%	-88	-6.7%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	89	39.6%	28	4.9%	0	0.0%	-480	-36.4%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	57	25.3%	-4	-0.7%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	55	24.4%	2	0.3%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	49	21.8%	9	1.6%	0	0.0%	0	0.0%
db_query	0	N/A%	-10	-4.4%	-62	-10.8%	0	0.0%	-120	-9.1%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	-337	-149.8%	463	80.4%	-80	-100.0%	-648	-49.1%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	97	43.1%	100	17.4%	0	0.0%	-144	-10.9%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	46	20.4%	65	11.3%	0	0.0%	-360	-27.3%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	-20	-8.9%	-48	-8.3%	0	0.0%	40	3.0%
PDO::lastInsertId	0	N/A%	3	1.3%	5	0.9%	0	0.0%	0	0.0%
PDOStatement::rowCount	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%