摘要
YHFT-DX是国防科技大学设计的一款高性能定点DSP。论文设计并实现了YHFT-DX指令控制流水线,提出了在YHFT-DX超长指令字结构中跨取指包边界派发和指令预取的方法,有效提升了流水线的性能。对指令流水线进行了高频结构优化,将派发部件的关键路径延时压缩40%,满足了600MHz频率的设计目标。
YHFT-DX developed by NUDT is a high performance fix-point DSP processor.This paper designs the instruction control pipeline of YHFT-DX,and presents the non-align dispatch and instruction pre-feteh mechanism to achieve high pipeline performance of the VLIW YHFT-DX.At the same time,the structure of the instruction pipeline is optimized for high performance. The critical path Of instruction dispatch unit is reduced by 40%,which meets the 600 MHz design objective of the chip.
出处
《计算机工程与应用》
CSCD
北大核心
2010年第7期69-71,103,共4页
Computer Engineering and Applications
基金
国家自然科学基金No.60573173
国家教育部新世纪人才支持计划~~
关键词
数字信号处理器
超长指令字
流水线
跨边界派发
指令预取
Digital Signal Processor（DSP）
Very Long Instruction Word（VLIW）
pipeline
nonalign dispatch
instruction pre-fetch
