XHProf: Hierarchical Profiler Report

Diff Report: Run #5350e128cfd2b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5350e2663e694: 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 #5350e128cfd2b	Run #5350e2663e694	Diff	Diff%
Number of Function Calls	137	137	0	0.0%
Incl. Wall Time (microsec)	29,872	29,729	-143	-0.5%
Incl. Wall Time (microsec) per call	218	217	-1	-0.5%
Excl. Wall Time (microsec)	1,640	1,633	-7	-0.4%
Incl. CPU (microsecs)	13,907	13,831	-76	-0.5%
Incl. CPU (microsecs) per call	102	101	-1	-0.5%
Excl. CPU (microsec)	1,312	1,286	-26	-2.0%
Incl. MemUse (bytes)	1,004,112	1,004,128	16	0.0%
Incl. MemUse (bytes) per call	7,329	7,329	0	0.0%
Excl. MemUse (bytes)	-122,296	-122,248	48	0.0%
Incl. PeakMemUse (bytes)	627,416	628,488	1,072	0.2%
Incl. PeakMemUse (bytes) per call	4,580	4,588	8	0.2%
Excl. PeakMemUse (bytes)	48,656	48,664	8	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%	-143	-8.9%	-76	-4.4%	16	0.1%	1,072	4.7%
Exclusive Metrics Diff for Current Function			-7	-4.9%	-26	-34.2%	48	300.0%	8	0.7%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-136	-95.1%	-64	-84.2%	-72	-450.0%	400	37.3%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	-100	-69.9%	-19	-25.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::execute	0	N/A%	91	63.6%	36	47.4%	-8	-50.0%	544	50.7%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-71	-49.7%	-10	-13.2%	0	0.0%	0	0.0%
Drupal\Core\Config\DatabaseStorage::listAll	0	N/A%	61	42.7%	8	10.5%	104	650.0%	0	0.0%
Drupal\Core\Config\DatabaseStorage::readMultiple	0	N/A%	55	38.5%	3	3.9%	-32	-200.0%	256	23.9%
Drupal\Core\Path\AliasStorage::lookupPathSource	0	N/A%	-36	-25.2%	-17	-22.4%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	-35	-24.5%	-15	-19.7%	0	0.0%	-128	-11.9%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	21	14.7%	-2	-2.6%	24	150.0%	0	0.0%
Drupal\user\UserStorage::addRoles	0	N/A%	5	3.5%	4	5.3%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	2	1.4%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	-151	-105.6%	-79	-103.9%	0	0.0%	840	78.4%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	23	16.1%	15	19.7%	16	100.0%	96	9.0%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-12	-8.4%	-1	-1.3%	0	0.0%	-56	-5.2%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	4	2.8%	15	19.7%	-48	-300.0%	184	17.2%