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

Drupal\Core\Render\BubbleableMetadata::mergeRun #556d0efcc18beRun #556d13edd0b22DiffDiff%
Number of Function Calls2,456 2,456 0 0.0%
Incl. Wall Time (microsec)160,885 159,088 -1,797 -1.1%
Incl. Wall Time (microsec) per call 66 65 -1 -1.1%
Excl. Wall Time (microsec)18,528 18,128 -400 -2.2%
Incl. MemUse (bytes)2,836,136 2,836,144 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)10,976 10,112 -864 -7.9%
Incl. PeakMemUse (bytes) per call 4 4 -0 -7.9%
Excl. PeakMemUse (bytes)552 496 -56 -10.1%

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 Function-400 -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%