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Table 2 LDPC decoding time (second) versus SNR value (CMMB 1/2, frame 10,000)

From: Parallel LDPC decoding using CUDA and OpenMP

SNR CUDA & OpenMP Normal Only OpenMP Avg. iter. num
1.5 29.6 656.4 198.7 18.0
2 18.0 354.9 112.5 10.3
2.5 14.2 248.6 81.0 7.5
3 12.0 189.3 64.3 5.9
3.5 10.6 150.6 60.1 4.9
4 9.6 122.6 42.6 4.1
4.5 8.7 100.2 35.9 3.4
5 8.2 85.5 31.3 3.0
5.5 7.5 71.0 26.9 2.6
6 6.9 59.8 23.4 2.2