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IEEE Computer Society Annual Symposium on VLSI (ISVLSI'02)
High-Performance Field Programmable VLSI Processor Based on a Direct Allocation of a Control/Data Flow Graph
Pittsburgh, Pennsylvania
April 25-April 26
ISBN: 0-7695-1486-3
Naotaka Ohsawa, Tohoku University
Masanori Hariyama, Tohoku University
Michitaka Kameyama, Tohoku University
As cost-effective approach to develop special-purpose processors, field programmable gate arrays (FPGAs) are widely used. However, their major disadvantage is their low performance because of large delays of programmable interconnection networks. This paper proposes a high-performance field programmable VLSI processor (FPVLSI). A bit-serial PE array is presented to reduce complexity of programmable interconnection networks. Therefore, the area and the delay of a switch block in the interconnection network can be greatly reduced. Moreover, a direct allocation of a control/data flow graph is employed where only a single node is mapped into a PE so that the wiring complexity is greatly reduced. The FPVLSI with 4400 PEs is designed in a 0.35um CMOS process. The performance of the FPVLSI is evaluated to be 28 times higher than that of the typical FPGA when executing the 16-point FFT.
Index Terms:
Reconfigurable processor, FPGA, Bit-serial architecture, Two-dimensional array
Citation:
Naotaka Ohsawa, Masanori Hariyama, Michitaka Kameyama, "High-Performance Field Programmable VLSI Processor Based on a Direct Allocation of a Control/Data Flow Graph," isvlsi, pp.0095, IEEE Computer Society Annual Symposium on VLSI (ISVLSI'02), 2002
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