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Thanks. I'm looking for general non-specific performance tips and optimizations. For example, neither Bullet or ODE offer SIMD optimizations on ARM, so that will be one area that will need to be improved.
Currently using Bullet's raycast vehicle and a plane for the terrain. ODE provides no raycast vehicle out of the box so I may go with Bullet simply for the speed advantage.
I'm using exactly 1 vehicle and a few boxes on a flat terrain. 2 vehicles was too much. With ODE, I think the vehicle is especially the problem since it is using 4 hinge joints.
