Diff Report
Run #556d13edd0b22: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #556d0efcc18be: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Render\BubbleableMetadata::merge

Drupal\Core\Render\BubbleableMetadata::mergeRun #556d13edd0b22Run #556d0efcc18beDiffDiff%
Number of Function Calls2,456 2,456 0 0.0%
Incl. Wall Time (microsec)159,088 160,885 1,797 1.1%
Incl. Wall Time (microsec) per call 65 66 1 1.1%
Excl. Wall Time (microsec)18,128 18,528 400 2.2%
Incl. MemUse (bytes)2,836,144 2,836,136 -8 -0.0%
Incl. MemUse (bytes) per call 1,155 1,155 -0 -0.0%
Excl. MemUse (bytes)4,768 4,768 0 0.0%
Incl. PeakMemUse (bytes)10,112 10,976 864 8.5%
Incl. PeakMemUse (bytes) per call 4 4 0 8.5%
Excl. PeakMemUse (bytes)496 552 56 11.3%

Parent/Child Regression/Improvement report for Drupal\Core\Render\BubbleableMetadata::merge [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Render\BubbleableMetadata::merge0 N/A% 1,797 5.6% -8 -25.0% 864 211.8%
Exclusive Metrics Diff for Current Function400 22.3% 0 0.0% 56 6.5%
Parent functions
Drupal\Core\Render\Renderer::bubbleStack0 N/A% 1,231 68.5% 8 100.0% 0 0.0%
Drupal\filter\Element\ProcessedText::preRenderText0 N/A% 525 29.2% 0 0.0% 0 0.0%
Drupal\Core\Render\Renderer::doRender0 N/A% 90 5.0% 0 0.0% 0 0.0%
Drupal\Core\Render\Renderer::updateStack0 N/A% -63 -3.5% -16 -200.0% 864 100.0%
Drupal\Core\Render\Renderer::mergeBubbleableMetadata0 N/A% 14 0.8% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Cache\CacheableMetadata::merge0 N/A% 1,379 76.7% -16 -200.0% 664 76.9%
Drupal\Component\Utility\NestedArray::mergeDeep0 N/A% -180 -10.0% 8 100.0% 144 16.7%
Drupal::service0 N/A% 111 6.2% 0 0.0% 0 0.0%
Drupal\Core\Render\Renderer::mergeAttachments0 N/A% 87 4.8% 0 0.0% 0 0.0%