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Parallel Digital Signal Processing with a Multicomputer Type DSP System NOVI
Tetsurou FUJII Naohisa OHTA Yukiharu KANAYAMA Sadayasu ONO
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/12/25
Print ISSN: 0000-0000
Type of Manuscript: Special Section PAPER (Special Issue on CAS Karuizawa Workshop)
Full Text: PDF(643.2KB)>>
This paper discusses the architecture and performance of parallel digital signal processing with a multicomputer system. A digital signal processor (DSP) system, called NOVI, has been developed to examine various methods for organizing parallel DSP systems, and for developing parallel programs for a wide range of digital signal processing applications. NOVI adopts multicomputer architecture and presently consists of 36 processing elements (PEs). Its parallel program development assistant (PDA) system facilitates powerful debugging functions to monitor all PEs without any interference in the parallel program execution. A load balancing technique for a multicomputer type DSP is also discussed, focusing on low bit rate motion picture coding. Finally, an example of the measured performance of the NOVI system is presented.