XHProf: Hierarchical Profiler Report

Diff Report: Run #51b0336932f18: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b032b631491: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #51b0336932f18	Run #51b032b631491	Diff	Diff%
Number of Function Calls	80	80	0	0.0%
Incl. Wall Time (microsec)	7,958	7,139	-819	-10.3%
Incl. Wall Time (microsec) per call	99	89	-10	-10.3%
Excl. Wall Time (microsec)	1,587	1,542	-45	-2.8%
Incl. CPU (microsecs)	4,732	4,373	-359	-7.6%
Incl. CPU (microsecs) per call	59	55	-4	-7.6%
Excl. CPU (microsec)	1,349	1,279	-70	-5.2%
Incl. MemUse (bytes)	64,176	64,176	0	0.0%
Incl. MemUse (bytes) per call	802	802	0	0.0%
Excl. MemUse (bytes)	-104,064	-104,064	0	0.0%
Incl. PeakMemUse (bytes)	58,824	58,824	0	0.0%
Incl. PeakMemUse (bytes) per call	735	735	0	0.0%
Excl. PeakMemUse (bytes)	9,208	9,208	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%	-819	-359.2%	-359	-2.9%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-45	-5.5%	-70	-19.5%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-731	-89.3%	-336	-93.6%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	-88	-10.7%	-23	-6.4%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-649	-79.2%	-182	-50.7%	0	N/A%	0	N/A%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	-147	-17.9%	-144	-40.1%	0	N/A%	0	N/A%
drupal_static	0	N/A%	14	1.7%	20	5.6%	0	N/A%	0	N/A%
array_keys	0	N/A%	10	1.2%	8	2.2%	0	N/A%	0	N/A%
array_diff	0	N/A%	-2	-0.2%	8	2.2%	0	N/A%	0	N/A%
array_fill_keys	0	N/A%	0	0.0%	1	0.3%	0	N/A%	0	N/A%