具有多个感兴趣区域的图像应用的多访问存储器体系结构

Jinbo Xu, Y. Dou, Jie Zhou
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引用次数: 0

摘要

针对具有多个感兴趣区域的图像应用,提出了一种高效的多访问存储器结构。实现了对感兴趣区域内随机对齐的矩形数据块的无冲突并行访问。我们的工作提出了一种多模块存储结构,将图像中感兴趣的区域从主存储器传输到辅助存储器,不同区域之间的重叠数据被重用而不重新传输。数据的寻址不是基于传统的预定寻址功能,而是基于一种将虚拟地址映射到辅助存储器模块的物理地址的表结构。在FPGA上的综合结果表明,与直接访问主存的方案相比,我们的实验实现了5.5到32.9的传输速度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Multi-access memory architecture for image applications with multiple interested regions
We propose an efficient multi-access memory architecture for image applications with multiple interested regions. Conflict-free parallel access of randomly aligned rectangular blocks of data in the interested regions is achieved. Only interested regions in the image are transmitted from main memory to a secondary multi-module memory structure proposed in our work, and overlapped data between different regions are reused without retransfer. The addressing of data is not based on traditional predetermined addressing function, but based on a proposed table structure which maps virtual addresses to physical addresses of secondary memory modules. Synthesis results of our design on FPGA indicate that transfer speedups from 5.5 up to 32.9 in our experiments are achieved when compared with the scheme that accesses main memory directly.
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