XHProf: Hierarchical Profiler Report

Diff Report: Run #53ccf1bb00d4b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::getMultiple@1	Run #53ccf1bb00d4b	Run #53ccf06f3ae60	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	4,438	4,255	-183	-4.1%
Incl. Wall Time (microsec) per call	1,479	1,418	-61	-4.1%
Excl. Wall Time (microsec)	210	207	-3	-1.4%
Incl. CPU (microsecs)	4,026	3,866	-160	-4.0%
Incl. CPU (microsecs) per call	1,342	1,289	-53	-4.0%
Excl. CPU (microsec)	189	192	3	1.6%
Incl. MemUse (bytes)	1,466,928	1,466,960	32	0.0%
Incl. MemUse (bytes) per call	488,976	488,987	11	0.0%
Excl. MemUse (bytes)	160,320	160,328	8	0.0%
Incl. PeakMemUse (bytes)	1,726,664	1,726,688	24	0.0%
Incl. PeakMemUse (bytes) per call	575,555	575,563	8	0.0%
Excl. PeakMemUse (bytes)	177,960	177,960	0	0.0%

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\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-183	-12.1%	-160	-9.8%	32	0.5%	24	0.2%
Exclusive Metrics Diff for Current Function			-3	-1.6%	3	1.9%	8	25.0%	0	0.0%
*Parent function*
Drupal\Core\Cache\DatabaseBackend::get@1	0	N/A%	-183	-100.0%	-160	-100.0%	32	100.0%	24	100.0%
*Child functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	-98	-53.6%	-97	-60.6%	32	100.0%	32	133.3%
Drupal\Core\Database\Connection::query	0	N/A%	-80	-43.7%	-61	-38.1%	-8	-25.0%	-8	-33.3%
array_keys	0	N/A%	-1	-0.5%	-4	-2.5%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::normalizeCid	0	N/A%	-1	-0.5%	0	0.0%	0	0.0%	0	0.0%
array_diff	0	N/A%	0	0.0%	-1	-0.6%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::escapeTable	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%