A graphical interface that works during development may still need substantial optimization before it is ready for production.

Manage display buffers carefully. Buffer size affects memory consumption and rendering behavior. A partial buffer can reduce RAM requirements, while full-frame buffering may be useful for particular display configurations. The best choice depends on resolution, color depth, available memory, and the display driver.

Use appropriate image and font assets. Large images and oversized fonts can increase storage requirements and affect rendering time. Optimize resources for the actual screen resolution and the languages the product must support.

Avoid unnecessary UI updates. Refresh only the elements whose values have changed. Rebuilding the entire screen for every sensor update can waste CPU time and create unnecessary visual activity.

Validate hardware acceleration. The RK3506 SDK may provide 2D acceleration support for compatible operations. Confirm which operations are accelerated by the actual software stack and whether LVGL is configured to use them. Hardware acceleration should be measured, not assumed.

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