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Table 8 Savings (in execution time) and penalties (in energy cost) when accelerating SW for the chr22 comparison on 4 and 3 GPUs taking as baseline the twin GPUs execution

From: DNA sequences alignment in multi-GPUs: acceleration and energy payoff

  Stage 1 Stage 2 Stage 3 Total
No. GPUs Savings (time) Penalty (energy) Savings (time) Penalty (energy) Savings (time) Penalty (energy) Savings (time) Penalty (energy)
4 49.96% 1.91% -15.92% 135.04% 38.50% 23.60% 48.97% 3.03%
3 33.34% 1.22% -58.80% 124.75% 23.61% 17.98% 32.67% 2.25%