XHProf: Hierarchical Profiler Report

Diff Report: Run #51afe7feeb64d: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51afe875368e3: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #51afe7feeb64d	Run #51afe875368e3	Diff	Diff%
Number of Function Calls	103	103	0	0.0%
Incl. Wall Time (microsec)	9,744	9,199	-545	-5.6%
Incl. Wall Time (microsec) per call	95	89	-5	-5.6%
Excl. Wall Time (microsec)	2,092	2,064	-28	-1.3%
Incl. CPU (microsecs)	5,770	5,559	-211	-3.7%
Incl. CPU (microsecs) per call	56	54	-2	-3.7%
Excl. CPU (microsec)	1,790	1,762	-28	-1.6%
Incl. MemUse (bytes)	77,040	77,040	0	0.0%
Incl. MemUse (bytes) per call	748	748	0	0.0%
Excl. MemUse (bytes)	-157,928	-157,928	0	0.0%
Incl. PeakMemUse (bytes)	95,144	93,736	-1,408	-1.5%
Incl. PeakMemUse (bytes) per call	924	910	-14	-1.5%
Excl. PeakMemUse (bytes)	33,544	32,784	-760	-2.3%

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%	-545	-349.4%	-211	-351.7%	0	0.0%	-1,408	-3.5%
Exclusive Metrics Diff for Current Function			-28	-5.1%	-28	-13.3%	0	N/A%	-760	-54.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-695	-127.5%	-255	-120.9%	0	N/A%	-1,408	-100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	150	27.5%	44	20.9%	0	N/A%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-409	-75.0%	-63	-29.9%	0	N/A%	0	0.0%
array_keys	0	N/A%	-70	-12.8%	-74	-35.1%	0	N/A%	-696	-49.4%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	-60	-11.0%	-56	-26.5%	0	N/A%	0	0.0%
drupal_static	0	N/A%	32	5.9%	16	7.6%	0	N/A%	-80	-5.7%
array_diff	0	N/A%	-10	-1.8%	-9	-4.3%	0	N/A%	128	9.1%
array_fill_keys	0	N/A%	0	0.0%	3	1.4%	0	N/A%	0	0.0%