This paper is a description of the recent parallelising compilers\ud from our group at the University of Glasgow. Our group is part of\ud the Computer Vision and Graphics research group and we have for some\ud years been developing array compilers because we think these are a good\ud tool both for expressing graphics algorithms and for exploiting the parallelism\ud that computer vision applications require. We shall describe the\ud implementation of two different languages on two different platforms and\ud we shall compare the performance of these with reference C implementations\ud running on the same platforms. Finally we shall draw conclusions\ud both about the viability of the array language approach as compared to\ud other approaches used in the challenge and also about the strengths and\ud weaknesses of the two, very different, processor architectures we used
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