XHProf: Hierarchical Profiler Report

Diff Report: Run #519fedcae68c3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ff028be5c1: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #519fedcae68c3	Run #519ff028be5c1	Diff	Diff%
Number of Function Calls	78	78	0	0.0%
Incl. Wall Time (microsec)	7,600	6,416	-1,184	-15.6%
Incl. Wall Time (microsec) per call	97	82	-15	-15.6%
Excl. Wall Time (microsec)	1,460	1,396	-64	-4.4%
Incl. CPU (microsecs)	4,272	3,866	-406	-9.5%
Incl. CPU (microsecs) per call	55	50	-5	-9.5%
Excl. CPU (microsec)	1,197	1,152	-45	-3.8%
Incl. MemUse (bytes)	56,368	56,368	0	0.0%
Incl. MemUse (bytes) per call	723	723	0	0.0%
Excl. MemUse (bytes)	-81,816	-81,816	0	0.0%
Incl. PeakMemUse (bytes)	49,728	49,728	0	0.0%
Incl. PeakMemUse (bytes) per call	638	638	0	0.0%
Excl. PeakMemUse (bytes)	8,800	8,800	0	0.0%

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%	-1,184	-61.8%	-406	-11.9%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-64	-5.4%	-45	-11.1%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-1,177	-99.4%	-354	-87.2%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	-7	-0.6%	-52	-12.8%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-954	-80.6%	-184	-45.3%	0	N/A%	0	N/A%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	-112	-9.5%	-115	-28.3%	0	N/A%	0	N/A%
drupal_static	0	N/A%	-29	-2.4%	-34	-8.4%	0	N/A%	0	N/A%
array_keys	0	N/A%	-14	-1.2%	-14	-3.4%	0	N/A%	0	N/A%
array_diff	0	N/A%	-12	-1.0%	-13	-3.2%	0	N/A%	0	N/A%
array_fill_keys	0	N/A%	1	0.1%	-1	-0.2%	0	N/A%	0	N/A%