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Parallel implementation of medium level algorithms on a monolithic ASIMD multiprocessor

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4 Author(s)
Kneip, J. ; Lasb. fur Inf., Hannover Univ., Germany ; Ohmacht, M. ; Wittenburg, J.P. ; Pirsch, P.

The efficient implementation of algorithms with irregular data access or control-flow on a parallel SIMD processor requires specific architectural measures. This paper demonstrates the parallelization of medium-level algorithms on the HiPAR-DSP, a programmable RISC processor for real-time image processing with 4 or 16 parallel data paths. We show the efficient use of memory and ASIMD control capabilities of the processor for the parallel execution of a memory efficient Huffman decoding algorithm. Performance figures for a selection of further medium level algorithms are given, demonstrating that even a SIMD architecture can obtain high utilization for algorithms with data dependent control flow

Published in:

Circuits and Systems, 1996. ISCAS '96., Connecting the World., 1996 IEEE International Symposium on  (Volume:4 )

Date of Conference:

12-15 May 1996