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Editor is 600+ fps, build is 1 fps. Issues with "Reload Scene" experimental option while using tilemaps.
TL:DR "Disable reload scene" is the difference between 600fps and 1 fps, and my tilemap is to blame
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I've been building grid-based environments using tile palettes, and rule tiles from the 2d extras package that unity has used on their tutorials.
I develop with the experimental "Disable Reload Scene" feature running, and when uncapped, I run around 600 fps in my scene.
In the same scene, with reload domain reenabled (or on builds), I get 60fps that slowly drops endlessly, down to sub 1 fps.
Removing the grid and tilemap bring the fps back up, as does enabling "Reload Scene".
The screen shows ~20*15 tiles, and the scene has ~150 * 80 tiles total, the rule tiles have around two dozen rules.
Any idea what could be causing the strain on one Enter Play Mode vs another?
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