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Run #556d153c4efc5: XHProf Run (Namespace=drupal-perf-drupalcon)
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Parent/Child report for Drupal\Core\Render\BubbleableMetadata::merge [View Callgraph ]


Function NameCallsCalls%Incl. Wall Time
(microsec)		IWall%Incl.
MemUse
(bytes)		IMemUse%Incl.
PeakMemUse
(bytes)		IPeakMemUse%
Current Function
Drupal\Core\Render\BubbleableMetadata::merge2,280 20.0% 129,976 7.3% 2,770,832 4.7% 167,128 0.3%
Exclusive Metrics for Current Function15,600 12.0% 4,768 0.2% 496 0.3%
Parent functions
Drupal\Core\Render\Renderer::bubbleStack1,061 46.5% 60,670 46.7% 1,467,376 53.0% 0 0.0%
Drupal\Core\Render\Renderer::updateStack1,065 46.7% 60,336 46.4% 1,163,032 42.0% 164,256 98.3%
Drupal\filter\Element\ProcessedText::preRenderText150 6.6% 8,390 6.5% 112,312 4.1% 0 0.0%
Drupal\Core\Render\Renderer::mergeBubbleableMetadata2 0.1% 325 0.3% 14,376 0.5% 2,872 1.7%
Drupal\Core\Render\Renderer::doRender2 0.1% 255 0.2% 13,736 0.5% 0 0.0%
Child functions
Drupal\Core\Cache\CacheableMetadata::merge2,280 25.0% 92,114 70.9% 1,951,576 70.4% 164,800 98.6%
Drupal\Component\Utility\NestedArray::mergeDeep2,280 25.0% 10,353 8.0% 495,104 17.9% 1,832 1.1%
Drupal::service2,280 25.0% 8,387 6.5% 656 0.0% 0 0.0%
Drupal\Core\Render\Renderer::mergeAttachments2,280 25.0% 3,522 2.7% 318,728 11.5% 0 0.0%