Architecture of Inter-core Communication Using Crosspiont-Queued for Multi-Core DSPs

WANG Zhen; WANG Jian; ZHANG Lei

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Architecture of Inter-core Communication Using Crosspiont-Queued for Multi-Core DSPs

更新时间：2026-09-04

- Architecture of Inter-core Communication Using Crosspiont-Queued for Multi-Core DSPs
- Vol. 34, Issue 8, Pages: 42-46(2017)
- 作者机构：
  
  华东光电集成器件研究所,江苏,苏州,215163
- 作者简介：
- 基金信息：
- DOI：
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- Published：2017
- 稿件说明：
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王镇, 汪健, 张磊. 交点队列型多核DSP核间通信结构[J]. 微电子学与计算机, 2017, 34(8): 42-46.

WANG Zhen, WANG Jian, ZHANG Lei. Architecture of Inter-core Communication Using Crosspiont-Queued for Multi-Core DSPs[J]. 2017, 34(8): 42-46.
王镇, 汪健, 张磊. 交点队列型多核DSP核间通信结构[J]. 微电子学与计算机, 2017, 34(8): 42-46. DOI：

WANG Zhen, WANG Jian, ZHANG Lei. Architecture of Inter-core Communication Using Crosspiont-Queued for Multi-Core DSPs[J]. 2017, 34(8): 42-46. DOI：

摘要

多核时代处理器内核间的通信是多处理系统所面临的主要难题.通过研究现有的分布式与共享式通信方式，提出了一种采用分布式交点队列（crosspiont-queued，CQ）结构代替传统的共享通信结构，并利用中断机制实现握手的思路，设计了一种交点队列型多核DSP核间通信结构.并构建了一种共享式与分布式混合的DSP系统，将两种结构进行了性能对比，测试结果显示，此结构通信效率优于共享式，尤其大数据量时优势明显.

Abstract

Multicore era

the main challenge of multi-processing system is inter-core communication. By studying the existing distributed and shared communication structure

this paper proposed the idea that using a distributed crosspoint-queued(CQ)instead of the traditional shared communication structure meanwhile handshaking by interrupt mechanism. An architecture of inter-core Communication using interrupt mechanism for multi-core DSPs is designed. From a system perspective

this design is compared with shared memory communication structure

the result shows that the designed is more efficient than the shared structure

especially when there are large amounts of data to transfer.

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references

Divanovic S, Kovacevic V, Radonjic M, et al. Crosspoint queued switch performance analysis under multicast traffic[C]//Telecommunications Forum (TELFOR), 2012. Belgrade, Serbia, IEEE, 2012: 226-229.

Radonjic M, Radusinovic I. CQ switch performanceanalysis from the point of buffer size and scheduling algorithms[C]//Telecommunications Froum(TELEFOR), 2012. Belgrade, Serbia, IEEE, 2012: 210-217.

王中杰. 基于MATLAB/SimEvents的NCS仿真平台的开发[D]. 上海: 同济大学, 2009: 14-38.

Kanizo Y, Hay D, Keslassy I. The crosspiont-queued switch[C]//INFOCOM 2009, IEEE. Rio de Janeiro, Brazil, IEEE, 2009: 729-737.

Radonjic M, Radusinovic I. Average latency and loss probability analysis of crosspoint queued crossbar switch[C]//ELMAR, 2010 PROCEEDINGS. Zadar, Croatia, IEEE, 2010: 203-206.

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