How to fix frame drops when building in Nightingale?

I was excited to play, but quickly noticed jarring frame jumps between 40-70 fps when loading massive building textures. I tried updating to the latest firmware, which actually increased boot time by 3 seconds and failed to fix the drops, leading to total frustration. I used GamePP NVMe Queue Depth Configuration to increase queue depth to 128 and optimized interrupt priorities. Now, frame times converged to 12-18ms per GamePP Analyzer, response time is