Parallel LDPC Decoding on the Cell/B.E. Processor

Falcão, Gabriel; Sousa, Leonel; Silva, Vítor; Marinho, José

doi:10.1007/978-3-540-92990-1_28

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Cited by 8 publications

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“…There are implementations on several hardware platforms such as ASICs, FGPAs, the Cell/B.E. processor [4], and Nvidia GPUs [2,3,5,12] using CUDA and other GPU programming tools. The advantages and disadvantages of implementations in GPUs can be found in [2,3,5].…”

Section: Introductionmentioning

confidence: 99%

Tridimensional block multiword LDPC decoding on GPUs

et al. 2011

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In this paper, we describe a parallel algorithm for LDPC (Low Density Parity Check codes) decoding on a GPU (Graphics Processing Unit) using CUDA (Compute Unified Device Architecture). The strategy of the kernel grid and block design is shown and the multiword decoding operation is described using tridimensional blocks. The performance (speedup) of the proposed parallel algorithm is slightly better than the performance found in the literature when this is relatively good, and shows a great improvement in those cases with previously reported moderate or bad performance.

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