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Table 1

CPU hours (CPUH) spent by the simulations of the 2D recoiling black hole at uniform resolutions, and fraction of that time spent by the equivalent AMR runs.

Grid size CPU time Equiv. AMR Equiv. AMR
(Nr × Nφ) uniform time fraction time fraction
[CPUH] [εt = 0.1] [εt = 0.005]

256 × 128 55.0
512 × 256 443.1 0.65 0.70
1024 × 512 3377.4 0.47 0.57

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