XHProf: Hierarchical Profiler Report

Diff Report: Run #543bf339ee873: XHProf Run (Namespace=drupal-perf-dawehner)
vs.
Run #543bf51d41339: XHProf Run (Namespace=drupal-perf-dawehner)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\Cache::mergeTags

Drupal\Core\Cache\Cache::mergeTags	Run #543bf339ee873	Run #543bf51d41339	Diff	Diff%
Number of Function Calls	297	297	0	0.0%
Incl. Wall Time (microsec)	11,890	11,814	-76	-0.6%
Incl. Wall Time (microsec) per call	40	40	-0	-0.6%
Excl. Wall Time (microsec)	5,945	5,878	-67	-1.1%
Incl. CPU (microsecs)	12,165	12,097	-68	-0.6%
Incl. CPU (microsecs) per call	41	41	-0	-0.6%
Excl. CPU (microsec)	4,563	4,591	28	0.6%
Incl. MemUse (bytes)	151,176	151,240	64	0.0%
Incl. MemUse (bytes) per call	509	509	0	0.0%
Excl. MemUse (bytes)	-483,016	-482,952	64	0.0%
Incl. PeakMemUse (bytes)	35,704	35,808	104	0.3%
Incl. PeakMemUse (bytes) per call	120	121	0	0.3%
Excl. PeakMemUse (bytes)	7,496	7,600	104	1.4%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\Cache::mergeTags [View Callgraph Diff]

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\Cache::mergeTags	0	N/A%	-76	-1.0%	-68	-0.6%	64	0.0%	104	0.0%
Exclusive Metrics Diff for Current Function			-67	-88.2%	28	41.2%	64	100.0%	104	100.0%
*Parent functions*
{closure}::includes/common.inc/2689-2704	-105	N/A%	-4,675	-6151.3%	-4,753	-6989.7%	-61,824	-96600.0%	-2,592	-2492.3%
Drupal\Core\Render\Renderer::{closure}/252-267	105	N/A%	4,621	6080.3%	4,721	6942.6%	61,832	96612.5%	2,600	2500.0%
{closure}::includes/common.inc/2679-2687	-109	N/A%	-4,254	-5597.4%	-4,353	-6401.5%	-47,488	-74200.0%	-656	-630.8%
Drupal\Core\Render\Renderer::{closure}/242-250	109	N/A%	4,233	5569.7%	4,326	6361.8%	47,496	74212.5%	752	723.1%
drupal_render@1	-13	N/A%	-327	-430.3%	-344	-505.9%	-2,560	-4000.0%	0	0.0%
Drupal\Core\Render\Renderer::render@1	13	N/A%	327	430.3%	339	498.5%	2,584	4037.5%	0	0.0%
drupal_render	-4	N/A%	-317	-417.1%	-325	-477.9%	-6,976	-10900.0%	0	0.0%
Drupal\Core\Render\Renderer::render	4	N/A%	316	415.8%	322	473.5%	7,000	10937.5%	0	0.0%
Drupal\block\BlockViewBuilder::viewMultiple	0	N/A%	-2	-2.6%	-4	-5.9%	0	0.0%	0	0.0%
Drupal\Core\Entity\EntityViewBuilder::getBuildDefaults	0	N/A%	2	2.6%	2	2.9%	0	0.0%	0	0.0%
Drupal\block\Entity\Block::getCacheTag	0	N/A%	0	0.0%	5	7.4%	0	0.0%	0	0.0%
Drupal\Core\Access\AccessResult::addCacheTags	0	N/A%	0	0.0%	-4	-5.9%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Cache\Cache::validateTags	0	N/A%	-12	-15.8%	-36	-52.9%	0	0.0%	0	0.0%
sort	0	N/A%	6	7.9%	-7	-10.3%	0	0.0%	0	0.0%
array_merge	0	N/A%	-4	-5.3%	-35	-51.5%	0	0.0%	0	0.0%
func_get_args	0	N/A%	2	2.6%	11	16.2%	0	0.0%	0	0.0%
array_unique	0	N/A%	-1	-1.3%	-29	-42.6%	0	0.0%	0	0.0%