XHProf: Hierarchical Profiler Report

Diff Report: Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5190217a23e77: 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 #51901ff69a8a6	Run #5190217a23e77	Diff	Diff%
Number of Function Calls	150	150	0	0.0%
Incl. Wall Time (microsec)	54,803	54,651	-152	-0.3%
Incl. Wall Time (microsec) per call	365	364	-1	-0.3%
Excl. Wall Time (microsec)	2,246	2,269	23	1.0%
Incl. CPU (microsecs)	22,565	22,671	106	0.5%
Incl. CPU (microsecs) per call	150	151	1	0.5%
Excl. CPU (microsec)	1,865	1,898	33	1.8%
Incl. MemUse (bytes)	1,051,320	1,051,416	96	0.0%
Incl. MemUse (bytes) per call	7,009	7,009	1	0.0%
Excl. MemUse (bytes)	-119,064	-119,064	0	0.0%
Incl. PeakMemUse (bytes)	746,328	746,792	464	0.1%
Incl. PeakMemUse (bytes) per call	4,976	4,979	3	0.1%
Excl. PeakMemUse (bytes)	43,568	43,568	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%	-152	-72.0%	106	1766.7%	96	0.4%	464	2.1%
Exclusive Metrics Diff for Current Function			23	15.1%	33	31.1%	0	0.0%	0	0.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-18	-11.8%	116	109.4%	88	91.7%	240	51.7%
Drupal\Core\Database\Query\Select::execute	0	N/A%	246	161.8%	37	34.9%	16	16.7%	-56	-12.1%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest	0	N/A%	-7	-4.6%	-25	-23.6%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-38	-25.0%	-15	-14.2%	0	0.0%	0	0.0%
db_query	0	N/A%	-112	-73.7%	-12	-11.3%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	135	88.8%	8	7.5%	0	0.0%	288	62.1%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	33	21.7%	-6	-5.7%	0	0.0%	-64	-13.8%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	-399	-262.5%	-4	-3.8%	-8	-8.3%	56	12.1%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	-9	-5.9%	4	3.8%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	17	11.2%	3	2.8%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	-80	-52.6%	154	145.3%	96	100.0%	272	58.6%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	-25	-16.4%	-47	-44.3%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-47	-30.9%	-36	-34.0%	0	0.0%	112	24.1%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	-23	-15.1%	2	1.9%	0	0.0%	80	17.2%