With BVH [10 bounces, 12 threads]: 7.377 seconds to calculate the BVH and 0.353 seconds to render the scene. Interestingly, this scene consistently takes much longer to calculate the BVH compared to my other scene, which has the same teapot as well as an additional object, the hexagon floor tiles. Without BVH [10 bounces, 12 threads]: 25.750 seconds to render the scene.

With BVH [10 bounces, 12 threads]: 3.744 seconds to calculate the BVHs and 3070.580 seconds to render the scene. Without BVH [10 bounces, 12 threads]: 13559.100 seconds to render the scene.