PXIE总线的改进DMA算法

Proceedings of the 2nd International Conference on Vision, Image and Signal Processing Pub Date : 2018-08-27 DOI:10.1145/3271553.3271591

Yun Li, Delin Cai, Yaohua Xu

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引用次数: 0

摘要

PXIE总线是工业扩展中的PCIE总线。为了避免PXIE传输过程中PC与硬件之间的过度交互对传输带宽的影响，提出了一种新的PXIE总线DMA设计方案。本设计基于动态拼接的DMA调度方法。通过合并相邻的内存区域，访问请求的方式减少了pc到硬件的交互和中断请求的数量。与传统的DMA传输相比，采用DMA传输，传输带宽和传输速度都有了很好的提高。

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Improved DMA Algorithm for the PXIE Bus

The PXIE bus is a PCIE bus in industrial expansion. In order to avoid the influence of excessive interaction between PC and hardware during PXIE transmission on the transmission bandwidth, a new design of PXIE bus DMA is proposed. This design is based on a dynamically spliced DMA scheduling method. By combining adjacent memory areas The way the request is accessed reduces the number of PC-to-hardware interactions and interrupt requests. Compared with the traditional DMA transfer, the use of the DMA transfer, transmission bandwidth and transmission speed have been well improved.

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Proceedings of the 2nd International Conference on Vision, Image and Signal Processing

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