Presentation 2009-01-29
A Fast SIMD Processing Unit Synthesis Method with Optimal Pipeline Architecture for Application-specific Processors
Takayuki WATANABE, Nozomu TOGAWA, Masao YANAGISAWA, Tatsuo OHTSUKI,
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Abstract(in English) Small area, high performance and high productivity are required for application-specific processors in embedded systems. This paper proposes a fast SIMD processing unit synthesis method with optimal pipeline architecture applied to a processor core in hardware/software (HW/SW) co-synthesis system, SPADES, for application-specific processors. In the proposed method, if a pipelined SIMD processing unit with minimum delay is not on the critical path of a processor core, pipeline registers are inserted at optimal position which causes minimum amount of area increase within the critical path delay of a processor core. Therefore it can reduce area increase compared with the conventional method. Since this proposed method is fast to find the optimal solution, exploring processor architecture configuration is also effective. Finally, the SIMD operation unit generation system into which this proposed method is embeded generates HDL description of a SIMD processing unit. The experimental results show effectiveness of this method.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) SIMD / Optimal Pipeline Architecture / HDL Generation Method / SPADES / Application-specific Processor
Paper # VLD2008-108,CPSY2008-70,RECONF2008-72
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Committee RECONF
Conference Date 2009/1/22(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Fast SIMD Processing Unit Synthesis Method with Optimal Pipeline Architecture for Application-specific Processors
Sub Title (in English)
Keyword(1) SIMD
Keyword(2) Optimal Pipeline Architecture
Keyword(3) HDL Generation Method
Keyword(4) SPADES
Keyword(5) Application-specific Processor
1st Author's Name Takayuki WATANABE
1st Author's Affiliation Dept. of Computer Science and Engineering, Waseda University()
2nd Author's Name Nozomu TOGAWA
2nd Author's Affiliation Dept. of Computer Science and Engineering, Waseda University
3rd Author's Name Masao YANAGISAWA
3rd Author's Affiliation Dept. of Computer Science and Engineering, Waseda University
4th Author's Name Tatsuo OHTSUKI
4th Author's Affiliation Dept. of Computer Science and Engineering, Waseda University
Date 2009-01-29
Paper # VLD2008-108,CPSY2008-70,RECONF2008-72
Volume (vol) vol.108
Number (no) 414
Page pp.pp.-
#Pages 6
Date of Issue