XHProf: Hierarchical Profiler Report

Diff Report: Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bbaa8fc1d: 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 #51f5bb078e5a7	Run #51f5bbaa8fc1d	Diff	Diff%
Number of Function Calls	148	148	0	0.0%
Incl. Wall Time (microsec)	58,854	58,476	-378	-0.6%
Incl. Wall Time (microsec) per call	398	395	-3	-0.6%
Excl. Wall Time (microsec)	2,348	2,311	-37	-1.6%
Incl. CPU (microsecs)	21,773	20,954	-819	-3.8%
Incl. CPU (microsecs) per call	147	142	-6	-3.8%
Excl. CPU (microsec)	1,984	1,921	-63	-3.2%
Incl. MemUse (bytes)	935,408	936,864	1,456	0.2%
Incl. MemUse (bytes) per call	6,320	6,330	10	0.2%
Excl. MemUse (bytes)	-118,752	-118,752	0	0.0%
Incl. PeakMemUse (bytes)	636,920	637,232	312	0.0%
Incl. PeakMemUse (bytes) per call	4,304	4,306	2	0.0%
Excl. PeakMemUse (bytes)	44,800	44,160	-640	-1.4%

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%	-378	-8.2%	-819	-18.9%	1,456	2.6%	312	0.5%
Exclusive Metrics Diff for Current Function			-37	-9.8%	-63	-7.7%	0	0.0%	-640	-205.1%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-905	-239.4%	-611	-74.6%	1,456	100.0%	632	202.6%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	82	21.7%	-231	-28.2%	0	0.0%	-208	-66.7%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	319	84.4%	57	7.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::execute	0	N/A%	-92	-24.3%	-23	-2.8%	16	1.1%	-48	-15.4%
Drupal\Core\Database\Query\Delete::execute	0	N/A%	-82	-21.7%	-20	-2.4%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	45	11.9%	20	2.4%	0	0.0%	-48	-15.4%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	343	90.7%	12	1.5%	-16	-1.1%	-80	-25.6%
db_query	0	N/A%	-236	-62.4%	-10	-1.2%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	88	23.3%	-8	-1.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Update::execute	0	N/A%	-14	-3.7%	3	0.4%	0	0.0%	64	20.5%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	69	18.3%	-3	-0.4%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	1	0.3%	-3	-0.4%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	4	1.1%	-2	-0.2%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	-180	-47.6%	-605	-73.9%	1,456	100.0%	2,784	892.3%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-72	-19.0%	-61	-7.4%	0	0.0%	-1,216	-389.7%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	-48	-12.7%	-47	-5.7%	0	0.0%	-88	-28.2%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	-39	-10.3%	-40	-4.9%	0	0.0%	-528	-169.2%
PDOStatement::rowCount	0	N/A%	-1	-0.3%	-2	-0.2%	0	0.0%	0	0.0%
PDO::lastInsertId	0	N/A%	-1	-0.3%	-1	-0.1%	0	0.0%	0	0.0%