Table 3 Parameters and performance: GPU vs CPU (20 iterations)
From: Systematic construction, verification and implementation methodology for LDPC codes
| Â | GPU (ours) | CPU | GPU[12] |
|---|---|---|---|
Platform | NV. GTX260 | Intel Core2 Quad | NV. 8800GTX |
Clock frequency | 1.24GHz | 2.66 GHz | 1.35 GHz |
Decoding method | Semi-parallel | Semi-parallel | Full-parallel |
| Â | LMMSA | LMMSA | BP |
Blocks×threads | 216 × 96 | 1 | 128 × 256 |
Net throughput | 24.5 Mbps | 50 Kbps | 25Mbps |
Precision | Floating-point | Floating-point | 8-bit fixed-point |