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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sengupta, A. Mishra, V.K. |
| Copyright Year | 2014 |
| Description | Author affiliation: Comput. Sci. & Eng., Indian Inst. of Technol., Indore, Indore, India (Sengupta, A.; Mishra, V.K.) |
| Abstract | Multi objective (MO) design space exploration (DSE) in high level synthesis (HLS) is a tedious task which administers the usage of intelligent decision making strategies at multiple stages to yield quality results. The problem of DSE becomes intractable and intricate when an auxiliary variable such as loop unrolling factor plays a vital role in the decision making process. This paper successfully solves the above problem by proposing the novel DSE approach for fully automated parallel (simultaneous) exploration of optimal datapath and unrolling factor (UF) during area-performance tradeoff in HLS. The proposed DSE approach is driven by hyper-dimensional particle swarm optimization (PSO). The major sub-contributions of this proposed algorithm includes: a) deriving a model for computation of execution delay of a loop unrolled control data flow graph (CDFG) based on resource constraint, without the necessity of tediously unrolling the entire CDFG in most cases, b) Consideration of loop unrolling and its impact on: i) control states and execution delay tradeoff during loop unrolling ii) area-execution delay tradeoff during the DSE process, c) novel comparative results for area-performance tradeoff with respect to multiple DFG and CDFG benchmarks. Results of the proposed approach indicated an average improvement in Quality of Results (QoR) of > 30% and reduction in runtime of > 92% compared to recent approaches. |
| Sponsorship | IEEE Comput. Soc. |
| Starting Page | 106 |
| Ending Page | 111 |
| File Size | 199528 |
| Page Count | 6 |
| File Format | |
| e-ISBN | 9781479937653 |
| DOI | 10.1109/ISVLSI.2014.10 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-07-09 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Delays Gold Particle swarm optimization Space exploration Cascading style sheets Multiplexing Algorithm design and analysis adaptive Unrolling factor automated swarm |
| Content Type | Text |
| Resource Type | Article |
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