XHProf: Hierarchical Profiler Report

Diff Report: Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbdbb58abc: 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 #51fdbca2b5409	Run #51fdbdbb58abc	Diff	Diff%
Number of Function Calls	169	169	0	0.0%
Incl. Wall Time (microsec)	60,139	60,364	225	0.4%
Incl. Wall Time (microsec) per call	356	357	1	0.4%
Excl. Wall Time (microsec)	2,559	2,573	14	0.5%
Incl. CPU (microsecs)	23,924	23,348	-576	-2.4%
Incl. CPU (microsecs) per call	142	138	-3	-2.4%
Excl. CPU (microsec)	2,126	2,135	9	0.4%
Incl. MemUse (bytes)	1,058,176	1,058,256	80	0.0%
Incl. MemUse (bytes) per call	6,261	6,262	0	0.0%
Excl. MemUse (bytes)	-138,800	-138,800	0	0.0%
Incl. PeakMemUse (bytes)	753,736	755,056	1,320	0.2%
Incl. PeakMemUse (bytes) per call	4,460	4,468	8	0.2%
Excl. PeakMemUse (bytes)	46,712	46,920	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%