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Comparison of processing times in μs for combined spatial filter and AR power estimates done with data transfer to and from the video card in between processing steps (CUDA + Mem), and without data transfer. The overall speedup by removing the intermediate data transfer is shown on the Y-axis, and is generally 1.5 to 2 times faster. The graphs show the processing times for data lengths of 125, 600, and 1200 samples, from left to right.
