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A C-Based Variable Length and Vector Pipeline Architecture Design Methodology and Its Application

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Author(s): Nobuyuki Araki | Takashi Kambe

Journal: Advances in Molecular Imaging
ISSN 2161-6728

Volume: 03;
Issue: 01;
Start page: 10;
Date: 2012;
Original page

Keywords: Variable Length and Vector Pipeline Architecture | C-Based Design | System LSI | Speech Recognition

ABSTRACT
The size and performance of a System LSI depend heavily on the architecture which is chosen. As a result, the architecture design phase is one of the most important steps in the System LSI development process and is critical to the commercial success of a device. In this paper, we propose a C-based variable length and vector pipeline (VVP) architecture design methodology and apply it to the design of the output probability computation circuit for a speech recognition system. VVP processing accelerated by loop optimization, memory access methods, and application-specific cir- cuit design was implemented to calculate the Hidden Markov Model (HMM) output probability at high speed and its performance is evaluated. It is shown that designers can explore a wide range of design choices and generate complex circuits in a short time by using a C-based pipeline architecture design method.
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