高性能异构多处理器平台及其应用  

A HP Heterogeneous Multiprocessor Architectural Platform and Its Application

作　　者：全巍[1] 文梅[1] 伍楠[1] 杨乾明[1] 张春元[1] 

机构地区：[1]国防科学技术大学计算机学院,湖南长沙410073

出　　处：《计算机工程与科学》2011年第1期60-65,共6页Computer Engineering & Science

基　　金：国家自然科学基金资助项目(60703073);国家自然科学基金青年基金资助项目(60903041);国家863计划资助项目(2007AA01Z286)

摘　　要：在视频编解码领域,随着视频图像分辨率的提高,对处理平台的计算能力、存储、传输带宽的需求急剧增加。为满足高分辨率视频编解码对处理平台的巨大性能需求,本文结合流处理器在媒体处理上的独特优势以及FPGA灵活的可配置性,构建了一个由流处理器和FPGA组成的可配置异构多处理器平台。为了对平台进行性能测试,将MOTIONJPEG算法并行化后映射到该平台上,对分辨率为4096×2160的高清数字电影源文件进行视频编码,达到了30.3帧/s的压缩速率。In the field of video codec, with the improvement of the video’s resolution, the demand of the processing platform’s computingpower, as well as the storage and transmission bandwidth, is required to be increased dramatically. To meet the huge performance requirements of highresolution video codec, this paper,which combines with the unique advantages of stream processors in the media processing and the flexibility of the FPGA, provides a configurable heterogeneous multiprocessor platform. In order to test the ability of the platform, the MOTION JPEG algorithm will be mapped to this platform after being parallelized,and encode the HD digital video with the resolution of 4096×2160 at 30.3 frame/s.

关 键 词：异构多处理器 高分辨率视频压缩 可配置 流处理器 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]