《Tab.7 Reduction of Ncritical＿bitand average SFRby LUT inversion》

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《对FPGA配置码点软错误敏感性的细粒度研究（英文）》

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Four out of the eight benchmarks were selected to demonstrate the benefit of this method.Tab.7shows the reduction percentage in the number of critical bits and the reduction in average SFR.The results show that the SFRfor PIPs is indeed reduced as expected.The number of critical PIP bits is also reduced.Interestingly，the inversion of signals can impact the logical masking which can either increase or decrease the sensitivity of LUTs and MUXes.However，results in section 6.1showed that the PIPs represent the largest number of bits and are most critical，thus the overall result is positive in all cases.Tab.8gives MTTFimprovement for these four circuits due to LUT inversion.