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. 2017 Dec 31;2017:3527269. doi: 10.1155/2017/3527269

Table 5.

Image reconstruction speed (fps), relative speed-up Srel, and overall speed-up Sov for different numbers of GPUs and differently sized datasets.

N 1 GPU 2 GPUs 3 GPUs 4 GPUs S ov
fps fps S rel fps S rel fps S rel
128 8.3 13.1 1.6 13.5 1.0 13.8 1.0 1.7
144 2.5 3.9 1.6 4.1 1.0 4.2 1.0 1.7
160 5.0 8.3 1.6 8.7 1.1 9.1 1.0 1.8
170 6.0 9.6 1.6 10.1 1.0 10.1 1.0 1.7
256 2.4 3.8 1.6 4.5 1.2 4.7 1.1 2.0