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Efficient task scheduling is a challenging aspect of achieving high performance in parallel programming. Aiming at the problem that many heuristics for this NP-hard problem were always developed based on homogeneous systems and ignored the heterogeneity of processors which are not met on real parallel systems, this paper presents a heuristic algorithm based on list and task duplication for scheduling...
Pipelined layered decoder (PLD) of quasi-cyclic low-density parity-check (QC-LDPC) codes is one of most popular high-throughput decoder in modern communication systems. However, the traditional QC-LDPC codes are not suitable for PLD and lead to memory access conflict problems (MACPs) that reduce the throughput of PLD. Therefore, an efficient layered block progressive edge-growth (EL-BPEG) algorithm...
Efficient task scheduling is critical for achieving high performance in heterogeneous computing systems. Many previous relevant works for Out-Tree task graphs focused on homogeneous environments, while neglecting the heterogeneity of processors and the economization on processors, which resulted in low practical efficiency. This paper presents a heuristic greedy algorithm based on list and task duplication...
Task scheduling is a challenging aspect of parallel programming. Aiming at the problem that most heuristics for this NP-hard problem always assume fully connected processors and concurrent inter-processor communication which are not met on real parallel systems, this paper proposes a communication contention-aware heuristic scheduling algorithm for Fork-Join task graphs, named CCAHS_FJ, which preserves...
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