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JSSC 2008第4期Other

Heterogeneous Multi-Core Architecture That Enables 54x AAC-LC Stereo Encoding Hi

异构多核处理器架构实现54倍AAC-LC立体声编码性能提升
两核600MHz CPU + 两核300MHz DRP, CD级音频1-2分钟编码
AAC编码加速器动态可重构处理器异构多核并行处理
统一CPU与加速器的内存架构
动态可重构处理器(DRP)加速核心
并行化AAC-LC立体声编码算法
Abstract
Onouchi, Takashi Todaka, Takanobu Tsunoda, Tomoyuki Kodama, Kunio Uchiyama, Senior Member , IEEE, Toshihiko Odaka, Tatsuya Kamei , Member , IEEE, Ei Nagahama, Manabu Kusaoke, Yusuke Nitta, Yasutaka Wada , Member , IEEE, Keiji Kimura , Member , IEEE, and Hironori Kasahara, Member , IEEE Abstract—This paper describes a heterogeneous multi-core pro- cessor (HMCP) architecture that integrates general-purpose pro- cessors (CPUs) and accelerators (ACCs) to achieve exceptional per- formance as well as