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optimize findLoadedParent #9050

Merged

astojilj merged 1 commit into master from astojilj-findLoadedParent

Dec 3, 2019

Commits on Dec 2, 2019

Optimize findLoadedParent

Performance optimization when rendering view with a lot of satellite tiles.
Measurements on Chrome (Version 78.0.3904.108 with CPU 4x slowdown in performance tab) on MacMini i7 3.2 Ghz.

`map.repaint = true` in http://localhost:9966/debug/satellite.html#12.5/38.888/-77.01866/0/60

Observed FPS count:
master: 19-20FPS
with this patch: 24.5-26 FPS

astojilj committed Dec 2, 2019