How do I fix random read latency and pop-ins in AC Shadows?

I felt totally robbed of immersion while sneaking through ancient city streets; rapid camera movements caused obvious model pop-in and fatal lag. I tried enabling write cache flushing in the system, but it didn't stop the stuttering and actually caused brief system deadlocks during saves. I then used GamePP NVMe Queue Depth Configuration to increase the queue depth from 1024 to 2048 and optimized I/O scheduling. Frame time stabilized at 12-16ms per RTSS, while disk temperature stayed at 42-48℃ per AIDA64, with random read latency hitting 110-145ns via GamePP.