XHProf: Hierarchical Profiler Report

Diff Report: Run #51f5bbaa8fc1d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bb078e5a7: 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 #51f5bbaa8fc1d	Run #51f5bb078e5a7	Diff	Diff%
Number of Function Calls	148	148	0	0.0%
Incl. Wall Time (microsec)	58,476	58,854	378	0.6%
Incl. Wall Time (microsec) per call	395	398	3	0.6%
Excl. Wall Time (microsec)	2,311	2,348	37	1.6%
Incl. CPU (microsecs)	20,954	21,773	819	3.9%
Incl. CPU (microsecs) per call	142	147	6	3.9%
Excl. CPU (microsec)	1,921	1,984	63	3.3%
Incl. MemUse (bytes)	936,864	935,408	-1,456	-0.2%
Incl. MemUse (bytes) per call	6,330	6,320	-10	-0.2%
Excl. MemUse (bytes)	-118,752	-118,752	0	0.0%
Incl. PeakMemUse (bytes)	637,232	636,920	-312	-0.0%
Incl. PeakMemUse (bytes) per call	4,306	4,304	-2	-0.0%
Excl. PeakMemUse (bytes)	44,160	44,800	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\Cache\DatabaseBackend::checksumTags	0	N/A%	-343	-90.7%	-12	-1.5%	16	1.1%	80	25.6%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-319	-84.4%	-57	-7.0%	0	0.0%	0	0.0%
db_query	0	N/A%	236	62.4%	10	1.2%	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\Driver\mysql\Insert::execute	0	N/A%	-88	-23.3%	8	1.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Delete::execute	0	N/A%	82	21.7%	20	2.4%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	-82	-21.7%	231	28.2%	0	0.0%	208	66.7%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	-69	-18.3%	3	0.4%	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\Database\Query\Update::execute	0	N/A%	14	3.7%	-3	-0.4%	0	0.0%	-64	-20.5%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	-4	-1.1%	2	0.2%	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%
*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%