XHProf: Hierarchical Profiler Report

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

Drupal\Core\Cache\DatabaseBackend::getMultiple@1	Run #53ccf06f3ae60	Run #53ccf1bb00d4b	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	4,255	4,438	183	4.3%
Incl. Wall Time (microsec) per call	1,418	1,479	61	4.3%
Excl. Wall Time (microsec)	207	210	3	1.4%
Incl. CPU (microsecs)	3,866	4,026	160	4.1%
Incl. CPU (microsecs) per call	1,289	1,342	53	4.1%
Excl. CPU (microsec)	192	189	-3	-1.6%
Incl. MemUse (bytes)	1,466,960	1,466,928	-32	-0.0%
Incl. MemUse (bytes) per call	488,987	488,976	-11	-0.0%
Excl. MemUse (bytes)	160,328	160,320	-8	-0.0%
Incl. PeakMemUse (bytes)	1,726,688	1,726,664	-24	-0.0%
Incl. PeakMemUse (bytes) per call	575,563	575,555	-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%