XHProf: Hierarchical Profiler Report

Diff Report: Run #556d0efcc18be: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #556d13edd0b22: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\system\Plugin\Block\SystemMenuBlock::build	Run #556d0efcc18be	Run #556d13edd0b22	Diff	Diff%
Number of Function Calls	4	4	0	0.0%
Incl. Wall Time (microsec)	24,794	22,873	-1,921	-7.7%
Incl. Wall Time (microsec) per call	6,199	5,718	-480	-7.7%
Excl. Wall Time (microsec)	118	130	12	10.2%
Incl. MemUse (bytes)	974,616	974,720	104	0.0%
Incl. MemUse (bytes) per call	243,654	243,680	26	0.0%
Excl. MemUse (bytes)	-26,776	-26,776	0	0.0%
Incl. PeakMemUse (bytes)	295,440	295,424	-16	-0.0%
Incl. PeakMemUse (bytes) per call	73,860	73,856	-4	-0.0%
Excl. PeakMemUse (bytes)	576	576	0	0.0%

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\system\Plugin\Block\SystemMenuBlock::build	0	N/A%	-1,921	-6.0%	104	325.0%	-16	-3.9%
Exclusive Metrics Diff for Current Function			12	0.6%	0	0.0%	0	0.0%
*Parent function*
Drupal\block\BlockViewBuilder::buildBlock	0	N/A%	-1,921	-100.0%	104	100.0%	-16	-100.0%
*Child functions*
Drupal\Core\Menu\MenuLinkTree::transform	0	N/A%	-2,203	-114.7%	64	61.5%	0	0.0%
Drupal\Core\Menu\MenuLinkTree::getCurrentRouteMenuTreeParameters	0	N/A%	292	15.2%	0	0.0%	0	0.0%
Drupal\Core\Menu\MenuLinkTree::load	0	N/A%	-102	-5.3%	40	38.5%	-16	-100.0%
Drupal\Core\Menu\MenuLinkTree::build	0	N/A%	85	4.4%	0	0.0%	0	0.0%
Drupal\Core\Menu\MenuLinkTree::maxDepth	0	N/A%	-7	-0.4%	0	0.0%	0	0.0%
Drupal\Component\Plugin\PluginBase::getDerivativeId	0	N/A%	2	0.1%	0	0.0%	0	0.0%
min	0	N/A%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Menu\MenuTreeParameters::setMinDepth	0	N/A%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Menu\MenuTreeParameters::setMaxDepth	0	N/A%	0	0.0%	0	0.0%	0	0.0%