Some methods that might be good to benchmark

[Legioth]

vaadin-grid-scroller._assign_models
iron-list._update_metrics
iron-list._update
vaadin-grid-scroller._scrollHandler
vaadin-grid-data-provider-mixin.clearCache
vaadin-grid._updateRow
vaadin-grid-scroller._render
vaadin-grid._createScrollerRows
notifyResize @ iron-resizable-behavior.html:81