XHProf: Hierarchical Profiler Report

Diff Report: Run #5589b6f75b296: XHProf Run (Namespace=drupal-perf-stefanr)
vs.
Run #5589b704ad974: XHProf Run (Namespace=drupal-perf-stefanr)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\Cache::mergeTags	Run #5589b6f75b296	Run #5589b704ad974	Diff	Diff%
Number of Function Calls	8,900	8,900	0	0.0%
Incl. Wall Time (microsec)	180,976	176,973	-4,003	-2.2%
Incl. Wall Time (microsec) per call	20	20	-0	-2.2%
Excl. Wall Time (microsec)	118,717	116,592	-2,125	-1.8%
Incl. MemUse (bytes)	3,794,400	3,794,400	0	0.0%
Incl. MemUse (bytes) per call	426	426	0	0.0%
Excl. MemUse (bytes)	-18,679,200	-18,679,200	0	0.0%
Incl. PeakMemUse (bytes)	2,528,000	2,551,200	23,200	0.9%
Incl. PeakMemUse (bytes) per call	284	287	3	0.9%
Excl. PeakMemUse (bytes)	501,600	505,600	4,000	0.8%

Function Name	Calls Diff	Calls Diff%	Incl. Wall Diff (microsec)	IWall Diff%	Incl. MemUse Diff (bytes)	IMemUse Diff%	Incl. PeakMemUse Diff (bytes)	IPeakMemUse Diff%
*Current Function*
Drupal\Core\Cache\Cache::mergeTags	0	N/A%	-4,003	-0.2%	0	0.0%	23,200	0.4%
Exclusive Metrics Diff for Current Function			-2,125	-53.1%	0	N/A%	4,000	17.2%
*Parent functions*
Drupal\Core\Render\RenderCache::set	0	N/A%	25	0.6%	0	N/A%	0	0.0%
Drupal\block\BlockViewBuilder::viewMultiple	0	N/A%	234	5.8%	0	N/A%	0	0.0%
Drupal\Core\Cache\CacheableMetadata::merge	0	N/A%	-2,561	-64.0%	0	N/A%	-4,800	-20.7%
Drupal\filter\Element\ProcessedText::preRenderText	0	N/A%	-132	-3.3%	0	N/A%	0	0.0%
Drupal\Core\Entity\EntityViewBuilder::getBuildDefaults	0	N/A%	-592	-14.8%	0	N/A%	0	0.0%
Drupal\Core\Access\AccessResult::addCacheTags	0	N/A%	-977	-24.4%	0	N/A%	28,000	120.7%
*Child functions*
sort	0	N/A%	-349	-8.7%	0	N/A%	-13,600	-58.6%
Drupal\Core\Cache\Cache::validateTags	0	N/A%	-759	-19.0%	0	N/A%	0	0.0%
array_unique	0	N/A%	-313	-7.8%	0	N/A%	-14,400	-62.1%
array_merge	0	N/A%	-325	-8.1%	0	N/A%	38,400	165.5%
func_get_args	0	N/A%	-132	-3.3%	0	N/A%	8,800	37.9%