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1 month ago10ms is way too slow for multithreading latency in games. Even 1ms for part of a frame is too slow. At 90hz you only have 11ms per frame.
Though using your pc as a host for a game server that the frame connects to would be possible. Like a multiplayer game. It could help with offloading some CPU heavy elements. I suspect though that most of the difficulty will be rendering, like in the quest.

Sync thing has been great and convenient for me. Use tailscale, zero tier or just raw wire guard to see each other