XHProf: Hierarchical Profiler Report

Diff Report: Run #51a14be6130cb: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a14f12e142e: XHProf Run (Namespace=drupal-perf-ezeedub)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #51a14be6130cb	Run #51a14f12e142e	Diff	Diff%
Number of Function Calls	155	155	0	0.0%
Incl. Wall Time (microsec)	8,982	8,827	-155	-1.7%
Incl. Wall Time (microsec) per call	58	57	-1	-1.7%
Excl. Wall Time (microsec)	3,516	3,414	-102	-2.9%
Incl. CPU (microsecs)	12,001	0	-12,001	-100.0%
Incl. CPU (microsecs) per call	77	0	-77	-100.0%
Excl. CPU (microsec)	12,001	0	-12,001	-100.0%
Incl. MemUse (bytes)	53,856	51,808	-2,048	-3.8%
Incl. MemUse (bytes) per call	347	334	-13	-3.8%
Excl. MemUse (bytes)	-79,572	-79,564	8	0.0%
Incl. PeakMemUse (bytes)	46,012	41,632	-4,380	-9.5%
Incl. PeakMemUse (bytes) per call	297	269	-28	-9.5%
Excl. PeakMemUse (bytes)	9,424	9,244	-180	-1.9%

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%	-155	-0.9%	-12,001	-75.0%	-2,048	-3.8%	-4,380	-8.5%
Exclusive Metrics Diff for Current Function			-102	-65.8%	-12,001	-100.0%	8	0.4%	-180	-4.1%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-166	-107.1%	-8,001	-66.7%	-2,048	-100.0%	-4,424	-101.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	11	7.1%	-4,000	-33.3%	0	0.0%	44	1.0%
*Child functions*
drupal_static	0	N/A%	-66	-42.6%	0	0.0%	0	0.0%	0	0.0%
array_keys	0	N/A%	13	8.4%	0	0.0%	-2,056	-100.4%	-4,672	-106.7%
array_diff	0	N/A%	-6	-3.9%	0	0.0%	0	0.0%	440	10.0%
Drupal\Core\Database\Connection::query	0	N/A%	3	1.9%	0	0.0%	0	0.0%	32	0.7%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	3	1.9%	0	0.0%	0	0.0%	0	0.0%
array_fill_keys	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%