XHProf: Hierarchical Profiler Report

Diff Report: Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccbd4518b6: 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 #531ccb2cb8e3d	Run #531ccbd4518b6	Diff	Diff%
Number of Function Calls	161	161	0	0.0%
Incl. Wall Time (microsec)	32,687	32,535	-152	-0.5%
Incl. Wall Time (microsec) per call	203	202	-1	-0.5%
Excl. Wall Time (microsec)	1,814	1,784	-30	-1.7%
Incl. CPU (microsecs)	15,210	15,231	21	0.1%
Incl. CPU (microsecs) per call	94	95	0	0.1%
Excl. CPU (microsec)	1,402	1,395	-7	-0.5%
Incl. MemUse (bytes)	1,093,944	1,093,936	-8	-0.0%
Incl. MemUse (bytes) per call	6,795	6,795	-0	-0.0%
Excl. MemUse (bytes)	-138,032	-138,000	32	0.0%
Incl. PeakMemUse (bytes)	540,944	534,400	-6,544	-1.2%
Incl. PeakMemUse (bytes) per call	3,360	3,319	-41	-1.2%
Excl. PeakMemUse (bytes)	32,840	31,800	-1,040	-3.2%

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%	-152	-155.1%	21	8.0%	-8	-0.0%	-6,544	-16.6%
Exclusive Metrics Diff for Current Function			-30	-19.7%	-7	-33.3%	32	400.0%	-1,040	-15.9%
*Parent functions*
Drupal\Core\Path\Path::lookupPathSource	0	N/A%	-77	-50.7%	-33	-157.1%	0	0.0%	-544	-8.3%
Drupal\Core\Database\Query\Select::execute	0	N/A%	-76	-50.0%	-18	-85.7%	24	300.0%	24	0.4%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-25	-16.4%	44	209.5%	-32	-400.0%	-6,064	-92.7%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	-22	-14.5%	-1	-4.8%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	18	11.8%	10	47.6%	0	0.0%	440	6.7%
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::getMultiple	0	N/A%	11	7.2%	9	42.9%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getAll	0	N/A%	8	5.3%	3	14.3%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::getAll	0	N/A%	5	3.3%	1	4.8%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	3	2.0%	1	4.8%	24	300.0%	72	1.1%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	2	1.3%	5	23.8%	-24	-300.0%	-472	-7.2%
Drupal\node\NodeGrantDatabaseStorage::count	0	N/A%	1	0.7%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	-112	-73.7%	53	252.4%	-8	-100.0%	-1,936	-29.6%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	-9	-5.9%	-11	-52.4%	-32	-400.0%	-672	-10.3%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	-8	-5.3%	-20	-95.2%	0	0.0%	-976	-14.9%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	7	4.6%	6	28.6%	0	0.0%	-1,920	-29.3%