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| Content Provider | ACM Digital Library |
|---|---|
| Author | Goutis, Costas E. Galanis, Michalis D. Dimitroulakos, Gregory Kostaras, Nikos |
| Abstract | The efficiency of a coarse grained reconfigurable array architecture in terms of performance and hardware cost is hard to be determined. The large number of parameters that define an architecture instance and the mapping complexity makes the evaluation extremely difficult to accomplish without tool assistance. This paper investigates the four factors that are directly related with the efficiency of these architectures namely; the area, the clock frequency, the scheduling efficiency and performance. A unified exploration framework has been build for estimating the values of the 4 aforementioned factors for different architecture alternatives. The exploration framework consists of two parts: a) an existing retargetable compiler from which the mapping efficiency is estimated and b) from the parametric realization of the coarse grained reconfigurable array in hardware description language (VHDL). The latter is used for the estimation of the area and clock frequency of each architecture instance with the realization of the system in the 0.13¼m process of ASIC technology. Also, the experiments refer to different architecture instances in terms of the processing elements. interconnection network, the register files. size, their number of input output ports, and finally the available bandwidth. Totally 72 architecture scenarios have been studied revealing how each characteristic influences performance and area for efficiently make design decisions. |
| Starting Page | 161 |
| Ending Page | 172 |
| Page Count | 12 |
| File Format | |
| ISBN | 9781595936837 |
| DOI | 10.1145/1242531.1242557 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2007-05-07 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Reconfigurable romputing Modulo scheduling Coarse-grained reconfigurable arrays Architectural exploration |
| Content Type | Text |
| Resource Type | Article |
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