Modelling the 2-D FCT on a Multiprocessor System (original) (raw)

Algorithms and Parallel VLSI Architectures III, 1995

Abstract

ABSTRACT. This paper describes the parallel implementation of the 2-D Fast Cosine Transform (FCT). The examined algorithms are: Row-Column (RC) FCT and Vector-Radix (VR) FCT. A SUN SPARC 10 with 4 processors and shared-memory is considered. It is observed that the parallel approach provides considerable gain for block sizes of more than 128x128 pixels. For smaller sizes there is no speed-up: by using more than one processor, the execution times are larger than on one processor due to the time required for the ...

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