XHProf: Hierarchical Profiler Report

Diff Report: Run #519fb8e35d279: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519fb952126aa: XHProf Run (Namespace=drupal-perf-mrbaileys)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #519fb8e35d279	Run #519fb952126aa	Diff	Diff%
Number of Function Calls	84	84	0	0.0%
Incl. Wall Time (microsec)	4,643	4,595	-48	-1.0%
Incl. Wall Time (microsec) per call	55	55	-1	-1.0%
Excl. Wall Time (microsec)	1,436	1,428	-8	-0.6%
Incl. CPU (microsecs)	4,000	0	-4,000	-100.0%
Incl. CPU (microsecs) per call	48	0	-48	-100.0%
Excl. CPU (microsec)	4,000	0	-4,000	-100.0%
Incl. MemUse (bytes)	63,456	63,456	0	0.0%
Incl. MemUse (bytes) per call	755	755	0	0.0%
Excl. MemUse (bytes)	-73,352	-73,352	0	0.0%
Incl. PeakMemUse (bytes)	64,632	64,752	120	0.2%
Incl. PeakMemUse (bytes) per call	769	771	1	0.2%
Excl. PeakMemUse (bytes)	13,888	13,984	96	0.7%

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::checksumTags	0	N/A%	-48	-1.0%	-4,000	-50.0%	0	0.0%	120	0.0%
Exclusive Metrics Diff for Current Function			-8	-16.7%	-4,000	-100.0%	0	N/A%	96	80.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-39	-81.2%	-4,000	-100.0%	0	N/A%	120	100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	-9	-18.8%	0	0.0%	0	N/A%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-45	-93.8%	0	0.0%	0	N/A%	-128	-106.7%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	28	58.3%	0	0.0%	0	N/A%	208	173.3%
drupal_static	0	N/A%	-20	-41.7%	0	0.0%	0	N/A%	0	0.0%
array_diff	0	N/A%	-4	-8.3%	0	0.0%	0	N/A%	-16	-13.3%
array_fill_keys	0	N/A%	2	4.2%	0	0.0%	0	N/A%	0	0.0%
array_keys	0	N/A%	-1	-2.1%	0	0.0%	0	N/A%	-40	-33.3%