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\CacheableMetadata::merge	Run #5589b6f75b296	Run #5589b704ad974	Diff	Diff%
Number of Function Calls	13,000	13,000	0	0.0%
Incl. Wall Time (microsec)	162,310	152,705	-9,605	-5.9%
Incl. Wall Time (microsec) per call	12	12	-1	-5.9%
Excl. Wall Time (microsec)	55,298	51,637	-3,661	-6.6%
Incl. MemUse (bytes)	4,395,200	4,395,200	0	0.0%
Incl. MemUse (bytes) per call	338	338	0	0.0%
Excl. MemUse (bytes)	2,578,400	2,578,400	0	0.0%
Incl. PeakMemUse (bytes)	454,400	559,200	104,800	23.1%
Incl. PeakMemUse (bytes) per call	35	43	8	23.1%
Excl. PeakMemUse (bytes)	274,400	380,800	106,400	38.8%

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\CacheableMetadata::merge	0	N/A%	-9,605	-0.5%	0	0.0%	104,800	1.7%
Exclusive Metrics Diff for Current Function			-3,661	-38.1%	0	N/A%	106,400	101.5%
*Parent functions*
Drupal\Core\Render\BubbleableMetadata::merge	0	N/A%	-6,315	-65.7%	0	N/A%	96,000	91.6%
Drupal\Core\Cache\CacheableResponse::addCacheableDependency	0	N/A%	-3,045	-31.7%	0	N/A%	-1,600	-1.5%
Drupal\Core\Render\Renderer::addCacheableDependency	0	N/A%	-133	-1.4%	0	N/A%	10,400	9.9%
Drupal\Core\Menu\MenuLinkTree::build	0	N/A%	-68	-0.7%	0	N/A%	0	0.0%
Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceFormatterBase::view	0	N/A%	-38	-0.4%	0	N/A%	0	0.0%
Drupal\Core\Render\Renderer::doRender@1	0	N/A%	-17	-0.2%	0	N/A%	0	0.0%
Drupal\Core\Menu\MenuLinkTree::buildItems	0	N/A%	15	0.2%	0	N/A%	0	0.0%
Drupal\Core\Render\Element\Link::preRenderLink	0	N/A%	-4	-0.0%	0	N/A%	0	0.0%
*Child functions*
Drupal\Core\Cache\Cache::mergeContexts	0	N/A%	-3,383	-35.2%	0	N/A%	3,200	3.1%
Drupal\Core\Cache\Cache::mergeTags	0	N/A%	-2,561	-26.7%	0	N/A%	-4,800	-4.6%