DocumentCode :
2963515
Title :
RNIW: a novel general-purpose DSP architecture
Author :
Qing, He ; Huan, Hou Chao
Author_Institution :
Inst. of Acoust., Acad. Sinica, China
Volume :
6
fYear :
1996
fDate :
7-10 May 1996
Firstpage :
3302
Abstract :
High-sped advanced multimedia communication require greater parallelism in the traditional general-purpose DSP architecture. Some RISC architectures can provide enough processing capability comparable to the traditional general-purpose DSP architecture but are not adequate for new multimedia applications. While the very long instruction word (VLIW) architecture has been proved to be a very good approach to this problem, the main disadvantages are the limitation of the hardware resource compared to the complexity of multiple functional units and the code size explosion when a program does not offer enough parallelism at the instruction level. We propose a novel RISC architecture, the RISC plus Normal Instruction Word (RNIW), for DSP. This architecture allows the load FIFOs to increase the data throughput, dynamic linking instruction to pipeline the data between the register groups, and sub-word partition to increase the parallelism. The parallelism has a better cost-performance ratio than the VLIW architecture and is easier for VLSI implementation
Keywords :
digital signal processing chips; multimedia communication; parallel architectures; reduced instruction set computing; RISC architecture; RISC architectures; RISC plus normal instruction word; RNIW; VLIW; VLIW architecture; VLSI implementation; code size explosion; cost-performance ratio; data pipelining; dynamic linking instruction; general purpose DSP architecture; instruction level; load FIFO; multimedia applications; multimedia communication; multiple functional units; parallel architecture; register groups; subword partition; very long instruction word; Digital signal processing; Explosions; Hardware; Joining processes; Multimedia communication; Pipelines; Reduced instruction set computing; Throughput; VLIW; Very large scale integration;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1996. ICASSP-96. Conference Proceedings., 1996 IEEE International Conference on
Conference_Location :
Atlanta, GA
ISSN :
1520-6149
Print_ISBN :
0-7803-3192-3
Type :
conf
DOI :
10.1109/ICASSP.1996.550583
Filename :
550583
Link To Document :
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