XHProf: Hierarchical Profiler Report

Diff Report: Run #519ede3a9dd65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519edf3566aae: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #519ede3a9dd65	Run #519edf3566aae	Diff	Diff%
Number of Function Calls	132	132	0	0.0%
Incl. Wall Time (microsec)	6,788	6,592	-196	-2.9%
Incl. Wall Time (microsec) per call	51	50	-1	-2.9%
Excl. Wall Time (microsec)	1,910	1,824	-86	-4.5%
Incl. CPU (microsecs)	4,745	4,440	-305	-6.4%
Incl. CPU (microsecs) per call	36	34	-2	-6.4%
Excl. CPU (microsec)	1,578	1,509	-69	-4.4%
Incl. MemUse (bytes)	84,056	84,056	0	0.0%
Incl. MemUse (bytes) per call	637	637	0	0.0%
Excl. MemUse (bytes)	-142,936	-142,872	64	0.0%
Incl. PeakMemUse (bytes)	56,536	55,976	-560	-1.0%
Incl. PeakMemUse (bytes) per call	428	424	-4	-1.0%
Excl. PeakMemUse (bytes)	11,384	11,320	-64	-0.6%

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%	-196	-0.8%	-305	-1.1%	0	0.0%	-560	-0.4%
Exclusive Metrics Diff for Current Function			-86	-43.9%	-69	-22.6%	64	N/A%	-64	-11.4%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	-369	-188.3%	-126	-41.3%	0	N/A%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	173	88.3%	-179	-58.7%	0	N/A%	-560	-100.0%
*Child functions*
drupal_static	0	N/A%	-71	-36.2%	-77	-25.2%	0	N/A%	96	17.1%
array_keys	0	N/A%	-49	-25.0%	-45	-14.8%	-40	N/A%	-480	-85.7%
Drupal\Core\Database\Connection::query	0	N/A%	15	7.7%	-84	-27.5%	-24	N/A%	0	0.0%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	-5	-2.6%	-3	-1.0%	0	N/A%	0	0.0%
array_fill_keys	0	N/A%	-1	-0.5%	3	1.0%	0	N/A%	0	0.0%
array_diff	0	N/A%	1	0.5%	-30	-9.8%	0	N/A%	-112	-20.0%