Massive sim slowdown on approach to KMLB

[MikePapa4008]

Performance bugs thread is on fire about this.

Please vote for this bug for visibility.

Intermittent Performance Spikes, high time in Manipulators

I’m seeing random performance spikes, where FPS will drop from 50 to around 10. Manipulators and MainThread will show 80+ms. This will continue for around 10-30 seconds, then FPS suddenly improves. This isn’t always back to full speed, there seems to be an intermediate state (for me it was 25-30 FPS). It will sometimes jump between the 3 states a few times (10-30 seconds each) until finally getting back to normal speed. The switch between these states is sudden and obvious, both in the…