Prediction of tsunami wave parameters at certain locations should be made as early as possible to provide enough time for decision making, population warning, and evacuation measures. Modern deep ocean "tsunameters" (pressure recorders, GPS, and other) provide direct measurement of the passing tsunami wave in the real time mode. This paper concerns real time tsunami risk mitigation by using the advantages of modern computer architectures. These are graphic processing units (GPU) and field programmable gates arrays (FPGA). Among many important aspects of tsunami simulation we study time consumable calculation of the wave propagation over a given water area. A comparison of performances achieved at a range of architectures is given.

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