Why does Far Cry 6 stutter during fast movement in jungles?

I felt total despair while traversing Yara; frame times would spike from 16ms to 42ms in dense vegetation, ruining my shooting precision. I tried enabling High Performance mode in Windows Power Options, but while clock speeds rose, the stuttering frequency actually increased. Turns out, I needed the GamePP Resource Scheduler to set the game process to real-time priority and cap background services at 5% CPU usage. Now, frame time fluctuation converged to 8-14ms per GamePP, with CPU temps stable at 65-72℃ via HWMonitor and VRM at 74-81℃ per HWMonitor.