| HXDSP平台上矩阵乘法的实现与性能分析 |
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| 引用本文： | 刘余福,郎文辉,贾光帅.HXDSP平台上矩阵乘法的实现与性能分析[J].计算机工程,2019(4):25-29. |
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| 作者姓名： | 刘余福 郎文辉 贾光帅 |
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| 作者单位： | 1.合肥工业大学计算机与信息学院;2.合肥工业大学工业安全与应急技术安徽省重点实验室;3.中国电子科技集团公司第三十八研究所 |
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| 基金项目： | 安徽省科技专项资金"高清摄像机产业化及核心处理器芯片技术开发"(13Z02010) |
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| 摘 要： | 在向量处理器上进行矩阵运算时硬件资源利用率与数据处理能力较低。为此,基于魂芯数字信号处理器(HXDSP)平台,结合高效视频编码(HEVC)标准中的离散余弦变换算法,采用数据压缩式向量法实现矩阵乘法,以发挥向量处理器的硬件资源。实验结果表明,该方法可达到HXDSP的定点乘累加运算能力峰值32 GMACs,数据处理能力可达2 GPixel/s,满足HEVC编码标准的性能要求。
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| 关 键 词： | 魂芯数字信号处理器 矩阵乘法 数据压缩 向量法 高效视频编码标准 离散余弦变换算法 |
Realization and Performance Analysis of Matrix Multiplication on HXDSP Platform |
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| LIU Yufu,LANG Wenhui,JIA Guangshuai.Realization and Performance Analysis of Matrix Multiplication on HXDSP Platform[J].Computer Engineering,2019(4):25-29. |
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| Authors: | LIU Yufu LANG Wenhui JIA Guangshuai |
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| Affiliation: | (School of Computer Science and Information Engineeringy,Hefei University of Technology,Hefei 230009,Chin;Anhui Province Key Laboratory of Industry Safety and Emergency Technology,Hefei University of Technology,Hefei 230009,China;The 38th Research Institute of China Electronic Technology Group Corporation,Hefei 230088,China) |
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| Abstract: | LIU Yufu;LANG Wenhui;JIA Guangshuai(School of Computer Science and Information Engineeringy,Hefei University of Technology,Hefei 230009,Chin;Anhui Province Key Laboratory of Industry Safety and Emergency Technology,Hefei University of Technology,Hefei 230009,China;The 38th Research Institute of China Electronic Technology Group Corporation,Hefei 230088,China) |
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| Keywords: | HX Digital Signal Processor(HXDSP) matrix multiplication data compression vector method High Efficiency Video Coding(HEVC) standard Discrete Cosine Transform(DCT) algorithm |
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