XHProf: Hierarchical Profiler Report

Diff Report: Run #517c7d73caad2: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c7dc1dc4c3: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #517c7d73caad2	Run #517c7dc1dc4c3	Diff	Diff%
Number of Function Calls	65	65	0	0.0%
Incl. Wall Time (microsec)	5,093	4,998	-95	-1.9%
Incl. Wall Time (microsec) per call	78	77	-1	-1.9%
Excl. Wall Time (microsec)	1,071	1,121	50	4.7%
Incl. CPU (microsecs)	3,444	3,428	-16	-0.5%
Incl. CPU (microsecs) per call	53	53	-0	-0.5%
Excl. CPU (microsec)	896	928	32	3.6%
Incl. MemUse (bytes)	52,440	52,440	0	0.0%
Incl. MemUse (bytes) per call	807	807	0	0.0%
Excl. MemUse (bytes)	-87,240	-87,192	48	0.1%
Incl. PeakMemUse (bytes)	83,072	82,608	-464	-0.6%
Incl. PeakMemUse (bytes) per call	1,278	1,271	-7	-0.6%
Excl. PeakMemUse (bytes)	13,960	13,960	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%	-95	-26.9%	-16	-1.7%	0	0.0%	-464	-18.9%
Exclusive Metrics Diff for Current Function			50	52.6%	32	200.0%	48	N/A%	0	0.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-110	-115.8%	-29	-181.2%	0	N/A%	-464	-100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	15	15.8%	13	81.2%	0	N/A%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-104	-109.5%	-21	-131.2%	-48	N/A%	-440	-94.8%
array_keys	0	N/A%	-37	-38.9%	-20	-125.0%	0	N/A%	0	0.0%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	-12	-12.6%	-10	-62.5%	0	N/A%	-24	-5.2%
drupal_static	0	N/A%	11	11.6%	7	43.8%	0	N/A%	0	0.0%
array_diff	0	N/A%	-2	-2.1%	-1	-6.2%	0	N/A%	0	0.0%
array_fill_keys	0	N/A%	-1	-1.1%	-3	-18.8%	0	N/A%	0	0.0%