XHProf: Hierarchical Profiler Report

Diff Report: Run #519eb193b2faa: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eb20dce0a3: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #519eb193b2faa	Run #519eb20dce0a3	Diff	Diff%
Number of Function Calls	110	110	0	0.0%
Incl. Wall Time (microsec)	7,180	6,511	-669	-9.3%
Incl. Wall Time (microsec) per call	65	59	-6	-9.3%
Excl. Wall Time (microsec)	1,923	1,707	-216	-11.2%
Incl. CPU (microsecs)	4,644	4,262	-382	-8.2%
Incl. CPU (microsecs) per call	42	39	-3	-8.2%
Excl. CPU (microsec)	1,623	1,425	-198	-12.2%
Incl. MemUse (bytes)	73,056	73,032	-24	-0.0%
Incl. MemUse (bytes) per call	664	664	-0	-0.0%
Excl. MemUse (bytes)	-100,376	-100,384	-8	-0.0%
Incl. PeakMemUse (bytes)	63,776	64,104	328	0.5%
Incl. PeakMemUse (bytes) per call	580	583	3	0.5%
Excl. PeakMemUse (bytes)	12,704	12,784	80	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%	-669	-7.6%	-382	-2.5%	-24	-0.0%	328	0.0%
Exclusive Metrics Diff for Current Function			-216	-32.3%	-198	-51.8%	-8	-33.3%	80	24.4%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-501	-74.9%	-342	-89.5%	-24	-100.0%	328	100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	-168	-25.1%	-40	-10.5%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-281	-42.0%	28	7.3%	0	0.0%	264	80.5%
drupal_static	0	N/A%	-111	-16.6%	-125	-32.7%	0	0.0%	-16	-4.9%
array_keys	0	N/A%	-52	-7.8%	-76	-19.9%	-16	-66.7%	40	12.2%
array_diff	0	N/A%	-11	-1.6%	-15	-3.9%	0	0.0%	8	2.4%
array_fill_keys	0	N/A%	4	0.6%	6	1.6%	0	0.0%	0	0.0%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	-2	-0.3%	-2	-0.5%	0	0.0%	-48	-14.6%