XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5cfb002ea: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::query	Run #51ec5ca916d7d	Run #51ec5cfb002ea	Diff	Diff%
Number of Function Calls	142	142	0	0.0%
Incl. Wall Time (microsec)	31,211	32,200	989	3.2%
Incl. Wall Time (microsec) per call	220	227	7	3.2%
Excl. Wall Time (microsec)	2,043	2,091	48	2.3%
Incl. CPU (microsecs)	18,333	17,878	-455	-2.5%
Incl. CPU (microsecs) per call	129	126	-3	-2.5%
Excl. CPU (microsec)	1,677	1,737	60	3.6%
Incl. MemUse (bytes)	875,736	875,736	0	0.0%
Incl. MemUse (bytes) per call	6,167	6,167	0	0.0%
Excl. MemUse (bytes)	-112,232	-112,232	0	0.0%
Incl. PeakMemUse (bytes)	602,112	602,112	0	0.0%
Incl. PeakMemUse (bytes) per call	4,240	4,240	0	0.0%
Excl. PeakMemUse (bytes)	41,440	41,440	0	0.0%

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%	989	63.3%	-455	-464.3%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			48	4.9%	60	13.2%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	490	49.5%	49	10.8%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-339	-34.3%	-520	-114.3%	0	N/A%	0	N/A%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	304	30.7%	152	33.4%	0	N/A%	0	N/A%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	261	26.4%	0	0.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Delete::execute	0	N/A%	111	11.2%	-22	-4.8%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	78	7.9%	-1	-0.2%	0	N/A%	0	N/A%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	55	5.6%	4	0.9%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Select::execute	0	N/A%	46	4.7%	-36	-7.9%	0	N/A%	0	N/A%
db_query	0	N/A%	26	2.6%	5	1.1%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-22	-2.2%	-60	-13.2%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Update::execute	0	N/A%	-20	-2.0%	-24	-5.3%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	-1	-0.1%	-1	-0.2%	0	N/A%	0	N/A%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	0	0.0%	-1	-0.2%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	1,028	103.9%	-432	-94.9%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-48	-4.9%	-55	-12.1%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	-34	-3.4%	-25	-5.5%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	-5	-0.5%	-2	-0.4%	0	N/A%	0	N/A%
PDOStatement::rowCount	0	N/A%	0	0.0%	-1	-0.2%	0	N/A%	0	N/A%
PDO::lastInsertId	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%