XHProf: Hierarchical Profiler Report

Diff Report: Run #5198ed6acdf41: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198eef80c6dc: 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 #5198ed6acdf41	Run #5198eef80c6dc	Diff	Diff%
Number of Function Calls	158	158	0	0.0%
Incl. Wall Time (microsec)	61,016	58,737	-2,279	-3.7%
Incl. Wall Time (microsec) per call	386	372	-14	-3.7%
Excl. Wall Time (microsec)	2,343	2,381	38	1.6%
Incl. CPU (microsecs)	22,136	22,193	57	0.3%
Incl. CPU (microsecs) per call	140	140	0	0.3%
Excl. CPU (microsec)	1,956	2,011	55	2.8%
Incl. MemUse (bytes)	1,097,056	1,097,152	96	0.0%
Incl. MemUse (bytes) per call	6,943	6,944	1	0.0%
Excl. MemUse (bytes)	-136,024	-135,968	56	0.0%
Incl. PeakMemUse (bytes)	532,616	531,936	-680	-0.1%
Incl. PeakMemUse (bytes) per call	3,371	3,367	-4	-0.1%
Excl. PeakMemUse (bytes)	24,960	24,960	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%	-2,279	-124.8%	57	1.3%	96	0.4%	-680	-2.1%
Exclusive Metrics Diff for Current Function			38	1.7%	55	96.5%	56	58.3%	0	0.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-2,435	-106.8%	90	157.9%	88	91.7%	168	24.7%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	519	22.8%	24	42.1%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	-229	-10.0%	-74	-129.8%	0	0.0%	264	38.8%
Drupal\Core\Database\Query\Select::execute	0	N/A%	-146	-6.4%	33	57.9%	0	0.0%	120	17.6%
db_query	0	N/A%	-108	-4.7%	-27	-47.4%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	95	4.2%	-21	-36.8%	24	25.0%	-1,176	-172.9%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	36	1.6%	35	61.4%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	-26	-1.1%	-4	-7.0%	-16	-16.7%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	17	0.7%	3	5.3%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	-13	-0.6%	-16	-28.1%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::getMultiple	0	N/A%	9	0.4%	3	5.3%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest	0	N/A%	2	0.1%	11	19.3%	0	0.0%	-56	-8.2%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	-2,498	-109.6%	-190	-333.3%	40	41.7%	16	2.4%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	101	4.4%	85	149.1%	0	0.0%	-296	-43.5%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	73	3.2%	83	145.6%	0	0.0%	-400	-58.8%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	4	0.2%	19	33.3%	0	0.0%	0	0.0%
PDO::lastInsertId	0	N/A%	3	0.1%	5	8.8%	0	0.0%	0	0.0%