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Parallel Computing in Electrical Engineering, 2004. International Conference on (2002)
Warsaw, Poland
Sept. 22, 2002 to Sept. 25, 2002
ISBN: 0-7695-1730-7
pp: 393
Francky Catthoor , IMEC and KU Leuven
Renate Merker , Dresden University of Technology
Rainer Schaffer , Dresden University of Technology
ABSTRACT
Upcoming processor generations increasingly provide instructions for sub-word parallelism. Thus, a parallel execution of 2, 4 or 8 instructions (add, sub) or of complex instructions (sum of differences) with an input of 2, 4 or 8 operand pairs becomes possible. The exploitation of sub-word parallelism is still weakly supported by current compilers. To close this gap we present an approach to generate programs for processors with sub-word parallelism. To this end we adapt methods from the design of parallel processor arrays. An algorithm representing a short term analysis filtering is used to illustrate the approach.
INDEX TERMS
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CITATION
Francky Catthoor, Renate Merker, Rainer Schaffer, "Systematic Design of Programs with Sub-Word Parallelism", Parallel Computing in Electrical Engineering, 2004. International Conference on, vol. 00, no. , pp. 393, 2002, doi:10.1109/PCEE.2002.1115305
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