A Hardware / Software Cosynthesis System for Digital Signal Processor Cores with Two Types of Register Files (Special Section of Selected Papers from the 12th Workshop on Circuit and Systems in Karuizawa)

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概要

• 論文の詳細を見る

• In digital signal processing, bit width of intermediate variables should be longer than that of input and output variables in order to execute intermediate operations with high precision. Then a processor core for digital signal processing is required to have two types of register files, one of which is used by input and output variables and the other one is used by intermediate variables. This paper proposes a hardware / software cosynthesis system for digital signal processor cores with two types of register files. Given an application program and its data, the system synthesizes a hardware description of a processor core, an object code running on the processor core, and software environments. A synthesized processor core can be composed of a processor kernel, multiple data memory buses, hardware loop units, addressing units, and multiple functional units. Furthermore it can have two types of register files RF_1 and RF_2. The bit width and number of registers in RF_1 or RF_2 will be determined based on a given application program. Thus a synthesized processor core will have small area with keeping high precision of intermediate operations compared with a processor core with only one register file. The experimental results demonstrate the effectiveness of the proposed system.

• 社団法人電子情報通信学会の論文
• 2000-03-25

著者

• Togawa N

  Univ. Kitakyushu Kitakyushu‐shi Jpn

• Togawa Nozomu

  The Dept. Of Computer Science Waseda University

• Togawa Nozomu

  The Department Of Electronics Information And Communication Engineering Waseda University

• OHTSUKI Tatsuo

  the Department of Electronics, Information and Communication Engineering, Waseda University

• Yanagisawa M

  The Dept. Of Computer Science Waseda University

• Yanagisawa Masao

  Department Of Computer Science Waseda University

• YANAGISAWA Masao

  the Department of Electronics, Information and Communication Engineering, Waseda University

• Ohtsuki Tatsuo

  Department Of Computer Science And Engineering Waseda University

• Ohtsuki Tatsuo

  The Department Of Electronics And Communication Engineering School Of Science And Engineering Waseda

• Yanagisawa Masao

  The Department Of Electronics Information And Communication Engineering Waseda University

• Ohtsuki Tomoaki

  The Department Of Electrical Engineering Science University Of Tokyo

• Ohtsuki T

  Department Of Electrical Engineering Tokyo University Of Science

• Masao Yanagisawa

  School of Fundamental Science and Engineering Waseda University

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