XHProf: Hierarchical Profiler Report

Diff Report: Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981e3ae1e6c: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #51981beb768ad	Run #51981e3ae1e6c	Diff	Diff%
Number of Function Calls	84	84	0	0.0%
Incl. Wall Time (microsec)	5,736	5,690	-46	-0.8%
Incl. Wall Time (microsec) per call	68	68	-1	-0.8%
Excl. Wall Time (microsec)	1,436	1,472	36	2.5%
Incl. CPU (microsecs)	3,922	3,918	-4	-0.1%
Incl. CPU (microsecs) per call	47	47	-0	-0.1%
Excl. CPU (microsec)	1,216	1,259	43	3.5%
Incl. MemUse (bytes)	68,616	68,616	0	0.0%
Incl. MemUse (bytes) per call	817	817	0	0.0%
Excl. MemUse (bytes)	-99,552	-99,512	40	0.0%
Incl. PeakMemUse (bytes)	79,904	79,936	32	0.0%
Incl. PeakMemUse (bytes) per call	951	952	0	0.0%
Excl. PeakMemUse (bytes)	18,000	18,048	48	0.3%

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%	-46	-37.4%	-4	-0.8%	0	0.0%	32	0.1%
Exclusive Metrics Diff for Current Function			36	78.3%	43	1075.0%	40	N/A%	48	150.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-28	-60.9%	-3	-75.0%	0	N/A%	32	100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	-18	-39.1%	-1	-25.0%	0	N/A%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-92	-200.0%	-42	-1050.0%	0	N/A%	0	0.0%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	-36	-78.3%	-31	-775.0%	0	N/A%	0	0.0%
drupal_static	0	N/A%	24	52.2%	26	650.0%	0	N/A%	-16	-50.0%
array_keys	0	N/A%	15	32.6%	-3	-75.0%	-40	N/A%	0	0.0%
array_diff	0	N/A%	7	15.2%	2	50.0%	0	N/A%	0	0.0%
array_fill_keys	0	N/A%	0	0.0%	1	25.0%	0	N/A%	0	0.0%