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Table 6 Performance of the algorithms depending on the number of GPUs used

From: Protein alignment algorithms with an efficient backtracking routine on multiple GPUs

algorithm 1 GPU 2 GPUs 3 GPUs 4 GPUs
  time speedup time speedup time speedup time speedup
global NW 158,25 1,000 81,86 1,933 54,19 2,920 40,41 3,916
semiglobal NW 163,16 1,000 84,81 1,924 56,01 2,913 41,69 3,914
SW 182,01 1,000 93,89 1,939 61,96 2,938 46,48 3,916
  1. Mean computational times (in seconds) for 4000 input sequences depending on the number of GPUs used. The algorithms were run on Tesla S1070.