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

From: Parallel LDPC decoding using CUDA and OpenMP

SNR Block size
  8 16 32 64 128 256 Avg. iter. num
1 224.5 170.0 146.3 142.3 142.6 149.2 93.3
1.5 45.8 37.1 30.8 29.6 30.5 31.5 18.0
2 2.7 22.4 18.9 18.0 18.8 19.5 10.3
2.5 21.3 17.5 14.8 14.2 14.8 15.2 7.5
3 17.6 14.5 12.5 12.0 12.5 12.8 5.9
3.5 15.3 12.8 10.9 10.6 11.0 11.3 4.9
4 13.5 11.3 9.8 9.6 9.8 10.0 4.1
Total 365.9 285.5 244.0 236.3 240.0 249.6