XHProf: Hierarchical Profiler Report

Diff Report: Run #519ead03a5283: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eade6f30be: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #519ead03a5283	Run #519eade6f30be	Diff	Diff%
Number of Function Calls	108	108	0	0.0%
Incl. Wall Time (microsec)	6,465	7,408	943	14.6%
Incl. Wall Time (microsec) per call	60	69	9	14.6%
Excl. Wall Time (microsec)	1,662	1,788	126	7.6%
Incl. CPU (microsecs)	4,257	4,612	355	8.3%
Incl. CPU (microsecs) per call	39	43	3	8.3%
Excl. CPU (microsec)	1,387	1,524	137	9.9%
Incl. MemUse (bytes)	72,080	72,056	-24	-0.0%
Incl. MemUse (bytes) per call	667	667	-0	-0.0%
Excl. MemUse (bytes)	-102,912	-102,936	-24	-0.0%
Incl. PeakMemUse (bytes)	62,984	62,688	-296	-0.5%
Incl. PeakMemUse (bytes) per call	583	580	-3	-0.5%
Excl. PeakMemUse (bytes)	11,840	11,656	-184	-1.6%

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%	943	35.1%	355	29.4%	-24	-0.0%	-296	-0.1%
Exclusive Metrics Diff for Current Function			126	13.4%	137	38.6%	-24	-100.0%	-184	-62.2%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	840	89.1%	332	93.5%	-24	-100.0%	-296	-100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	103	10.9%	23	6.5%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	663	70.3%	77	21.7%	0	0.0%	48	16.2%
drupal_static	0	N/A%	67	7.1%	47	13.2%	0	0.0%	8	2.7%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	53	5.6%	53	14.9%	0	0.0%	-48	-16.2%
array_keys	0	N/A%	18	1.9%	14	3.9%	0	0.0%	-40	-13.5%
array_diff	0	N/A%	15	1.6%	27	7.6%	0	0.0%	-80	-27.0%
array_fill_keys	0	N/A%	1	0.1%	0	0.0%	0	0.0%	0	0.0%