A Vectorization of FIR Filter Supporting Arbitrary Coefficients Length and Data Types

LIU Zhong; CHEN Yue-yue; CHEN Hai-yan

doi:10.3969/j.issn.0372-2112.2013.02.022

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A Vectorization of FIR Filter Supporting Arbitrary Coefficients Length and Data Types

更新时间：2025-07-16

- A Vectorization of FIR Filter Supporting Arbitrary Coefficients Length and Data Types
- Acta Electronica Sinica Vol. 41, Issue 2, Pages: 346-351(2013)
- 作者机构：
  
  国防科学技术大学计算机学院,湖南,长沙,410073
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2013.02.022
  CLC： TP391.4
- Published：2013
- 稿件说明：
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LIU Zhong, CHEN Yue-yue, CHEN Hai-yan. A Vectorization of FIR Filter Supporting Arbitrary Coefficients Length and Data Types[J]. Acta Electronica Sinica, 2013, 41(2): 346-351.
DOI：

LIU Zhong, CHEN Yue-yue, CHEN Hai-yan. A Vectorization of FIR Filter Supporting Arbitrary Coefficients Length and Data Types[J]. Acta Electronica Sinica, 2013, 41(2): 346-351. DOI： 10.3969/j.issn.0372-2112.2013.02.022.

摘要

向量处理器的向量化算法映射是难点问题.提出一种支持任意系数长度和数据类型的FIR滤波器向量化方法

将(Finite Impulse Response)滤波器的卷积计算划分为系数长度步向量乘法和加法计算

每一步的向量乘法和加法计算在各个向量处理单元上并行执行

计算一个输出结果的所有乘法和加法计算都在同一向量处理单元上完成

每次循环能够同时完成向量处理单元数量个输出结果的计算.在向量处理器YHFT-Matrix的实验结果表明

该向量化FIR滤波器能够取得高效的计算性能和加速比.

Abstract

The Vectorization of algorithm mapping for vector processors is a critical issue.This paper presents a vectorization of FIR filter supporting any different coefficients length and data types

in which the FIR filter computation is divided into N-step(length of coefficients)vector multiply and accumulate operations

vector multiply and accumulate operations are executed in parallel by all vector processing elements(VPEs)

and all vector multiply and accumulate operations to calculate single output are completed at the same VPE

the number of VPEs outputs will be calculated at once loop.Experimental results on YHFT-Matrix show that the vectorization of FIR filter achieves very efficient performance and speedup.

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