基于包交换技术的可重构片上网络混合路由器设计  

Design a reconfigurable router based on hybrid packet/circuit-switching for NoC

作　　者：苑乔[1] 张华健[1,2] 朱进宇 闫峥 宋宇鲲[3] 刘学毅 YUAN Qiao;ZHANG Hua-jian;ZHU Jin-yu;YAN Zheng;SONG Yu-kun;LIU Xue-yi(Space Star Technology Limited Corporation,Beijing 100027,China;Department of Computer Science and Technology,Tsinghua University,Beijing 100084,China;Hefei University of Technology,Hefei 230009,China)

机构地区：[1]航天恒星科技有限公司,北京100027 [2]清华大学计算机科学与技术系,北京100084 [3]合肥工业大学,安徽合肥230009

出　　处：《微电子学与计算机》2020年第3期49-54,共6页Microelectronics & Computer

基　　金：国家自然科学基金(61874156)。

摘　　要：在非密集计算任务下,分布式路由片上网络表现出良好的性能.然而当片上网络布局密度接近1时,受算法制约,高链路拥塞率会严重降低分布式路由网络执行大批量数据传输任务的性能.考虑到片上网络需传输数据的密集/非密集特征,由此设计集成有可定向传输事务的混合式路由,通过配置路由节点分配两种路由策略的权限,在片上网络中构建点对点高权限专用数据链路,避免分布式路由自寻链路带来网络长时拥塞、事务处理迟延问题,保证事务并行度,提高网络节点挂载计算核布局的容忍度.同时论文在8×8Mesh结构下对集成有混合路由网络性能进行了测试,结果表明采用混合路由有效提高了传输带宽和链路成功率等网络性能指标.Under non-intensive computing tasks,NoCbasedon distributed routing shows good performance.However,when performing intensive and complex computing tasks,distributed routing lacks of complex high-performance algorithms and link congestion has to be meeting.Especially when the network layout density is close to 1,with high-volume data transmission,a high link congestion rate will seriously degrade the overall performance of the NoC.Considering the variety of the data size transmission on the NoC(dense/non-dense),designing and encapsulating the lumped routing of reconfigurable directional transport transactions,setting the routing node port,setting the port detection mechanism to assign two routing strategies.At the same time,the performance of 8×8 Mesh of hybrid routing network show that hybrid routing can improve transmission bandwidth and link success rate effectively.

关 键 词：片上网络 包电路交换 可重构 集总式路由 分布式路由 

分 类 号：TN402[电子电信—微电子学与固体电子学]