Same scene rendered with Acuity enabled. After all chunks are loaded, FPS is around 80/second. Note there is a defect here: Acuity renders slightly darker. Probably caused by differences in light map handling, and will be fixed in a future version.
Baseline vanilla forge render performance with complex terrain and 16-chunk render distance. After all chunks are loaded, FPS is around 70/second.
Massive lava flows rendered with a custom pipeline