Coarse grain mapping method for image processing on fine grain cellular processor arrays

Bin Wang, P. Dudek
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引用次数: 5

Abstract

This paper introduces a mapping method for adding a coarse grain (multiple pixels per processor) processing mode to massively parallel cellular processor arrays. The main motivation is to provide the fine grain pixel-parallel processor array with the ability of processing images with higher resolution than the array itself, in a way that is transparent to the programmer. The proposed method accomplishes the mapping work entirely during the code compilation process, which has four main advantages. Firstly, there is no extra overhead during processing. Secondly, the source code for fine grain mode can be used in coarse grain mode without modification. Thirdly, the proposed method does not introduce any restrictions of the number of pixels stored in a processing element. Finally, the proposed method is easy to implement, as it does not require any modifications to the hardware design of the pixel-parallel processor array or its controller, but only to the software compiler. The mapping method and its software implementation are presented in this paper.
细粒元胞处理器阵列上图像处理的粗粒映射方法
本文介绍了一种将粗粒度(每处理器多像素)处理模式添加到大规模并行蜂窝处理器阵列的映射方法。其主要动机是提供细粒度像素并行处理器阵列,使其能够以一种对程序员透明的方式处理比阵列本身更高分辨率的图像。该方法完全在代码编译过程中完成映射工作,具有四个主要优点。首先,在处理期间没有额外的开销。其次,细粒模式的源代码无需修改即可用于粗粒模式。第三,所提出的方法不引入存储在处理单元中的像素数的任何限制。最后,该方法易于实现,不需要修改像素并行处理器阵列及其控制器的硬件设计,只需要修改软件编译器。本文给出了映射方法及其软件实现。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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