XHProf: Hierarchical Profiler Report

Diff Report: Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981e3ae1e6c: 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 #51981beb768ad	Run #51981e3ae1e6c	Diff	Diff%
Number of Function Calls	124	124	0	0.0%
Incl. Wall Time (microsec)	46,354	45,836	-518	-1.1%
Incl. Wall Time (microsec) per call	374	370	-4	-1.1%
Excl. Wall Time (microsec)	1,895	1,854	-41	-2.2%
Incl. CPU (microsecs)	18,314	18,029	-285	-1.6%
Incl. CPU (microsecs) per call	148	145	-2	-1.6%
Excl. CPU (microsec)	1,556	1,551	-5	-0.3%
Incl. MemUse (bytes)	811,184	811,160	-24	-0.0%
Incl. MemUse (bytes) per call	6,542	6,542	-0	-0.0%
Excl. MemUse (bytes)	-99,256	-99,232	24	0.0%
Incl. PeakMemUse (bytes)	389,848	390,040	192	0.0%
Incl. PeakMemUse (bytes) per call	3,144	3,145	2	0.0%
Excl. PeakMemUse (bytes)	27,304	27,304	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%	-518	-421.1%	-285	-53.6%	-24	-0.1%	192	0.7%
Exclusive Metrics Diff for Current Function			-41	-7.9%	-5	-1.8%	24	100.0%	0	0.0%
*Parent functions*
Drupal\Core\Database\Query\Select::execute	0	N/A%	-360	-69.5%	-241	-84.6%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-216	-41.7%	51	17.9%	-8	-33.3%	120	62.5%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	100	19.3%	-24	-8.4%	0	0.0%	56	29.2%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	-92	-17.8%	-42	-14.7%	0	0.0%	0	0.0%
db_query	0	N/A%	52	10.0%	-3	-1.1%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	-27	-5.2%	-51	-17.9%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	20	3.9%	24	8.4%	-16	-66.7%	-16	-8.3%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest	0	N/A%	6	1.2%	1	0.4%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	-2	-0.4%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	1	0.2%	0	0.0%	0	0.0%	32	16.7%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	-500	-96.5%	-274	-96.1%	-24	-100.0%	136	70.8%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-50	-9.7%	-61	-21.4%	0	0.0%	56	29.2%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	41	7.9%	34	11.9%	-24	-100.0%	0	0.0%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	35	6.8%	27	9.5%	0	0.0%	0	0.0%
PDO::lastInsertId	0	N/A%	-3	-0.6%	-6	-2.1%	0	0.0%	0	0.0%