Efficient Method to Generate an Energy Efficient Schedule Using Operation Shuffling

Kobayashi, Yuki; Jayapala, Murali; Raghavan, Praveen; Catthoor, Francky; Imai, Masayuki

doi:10.1093/ietfec/e91-a.2.604

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Operation Shuffling1

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2008

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“…This approach can find the energy efficient schedule, however, it still takes long time to obtain the final result even if the heuristics are applied, since operation shuffling has to be iterated many times for each basic block. Then, an efficient method to directly generate an energy efficient schedule which can reduce the exploration space furthermore is also proposed [7]. However, the methods are limited to move an operation within a cycle, then the potential energy reduction is also limited.…”

Section: Operation Shufflingmentioning

confidence: 99%

Operation shuffling over cycle boundaries for low energy L0 clustering

Kobayashi

Jayapala

Raghavan

et al. 2008

2008 International Conference on Application-Specific Systems, Architectures and Processors

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To achieve energy reduction for instruction memory access in VLIW ASIPs, operation shuffling technique has been proposed. The shuffling technique changes assignment of an operation to different slot so that L0 cluster configuration can be improved. The published technique, however, moves operations within a cycle, not between cycles. As a result, the potential gain of energy reduction was limited. This paper proposes a shuffling technique that also moves operations between cycles as well as within a cycle. The experimental results show that the proposed method achieves more efficient energy than the best known shuffling method by up to 15.3% in the best case.

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Section: Operation Shufflingmentioning

confidence: 99%