电子科技大学学报
電子科技大學學報
전자과기대학학보
JOURNAL OF UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA
2013年
2期
193-199
,共7页
凌翔%沈慧%汪凡%胡剑浩
凌翔%瀋慧%汪凡%鬍劍浩
릉상%침혜%왕범%호검호
拥塞控制%多核互联网络%片上网络%服务质量保障%交换电路%虚通道
擁塞控製%多覈互聯網絡%片上網絡%服務質量保障%交換電路%虛通道
옹새공제%다핵호련망락%편상망락%복무질량보장%교환전로%허통도
congestion control%multiprocessor interconnection networks%network-on-chip%quality of service%switching circuits%virtual channel
通过片上网络(NoC)连接多个处理器核是一种新的片上系统结构,其核间的数据交换机制是影响数据传输服务质量(QoS)的关键要素之一.在虚通道数目受限的情况下,提出了动态虚通道分配和双层子网相结合的交换单元结构.动态分配虚通道技术可以有效提高建链成功率;双层子网结构分散了业务数据流,避免数据传输拥塞,减小了数据包传输延时.仿真显示两种技术的结合,在不增加硬件资源开销的情况下,可以为各种业务等级的数据包传输提供良好的QoS保障.
通過片上網絡(NoC)連接多箇處理器覈是一種新的片上繫統結構,其覈間的數據交換機製是影響數據傳輸服務質量(QoS)的關鍵要素之一.在虛通道數目受限的情況下,提齣瞭動態虛通道分配和雙層子網相結閤的交換單元結構.動態分配虛通道技術可以有效提高建鏈成功率;雙層子網結構分散瞭業務數據流,避免數據傳輸擁塞,減小瞭數據包傳輸延時.倣真顯示兩種技術的結閤,在不增加硬件資源開銷的情況下,可以為各種業務等級的數據包傳輸提供良好的QoS保障.
통과편상망락(NoC)련접다개처리기핵시일충신적편상계통결구,기핵간적수거교환궤제시영향수거전수복무질량(QoS)적관건요소지일.재허통도수목수한적정황하,제출료동태허통도분배화쌍층자망상결합적교환단원결구.동태분배허통도기술가이유효제고건련성공솔;쌍층자망결구분산료업무수거류,피면수거전수옹새,감소료수거포전수연시.방진현시량충기술적결합,재불증가경건자원개소적정황하,가이위각충업무등급적수거포전수제공량호적QoS보장.
@@@@Network-on-chip (NoC) is a new interconnection structure which connects multiprocessors by network-based infrastructure. The data switching strategy between multiprocessors has great influence on the quality of service (QoS) of data transmission. A new switching structure which combines the dynamic virtual channels (VC) allocation and the dual-subnets infrastructure is proposed. The dynamic VC allocation is applied in order to increase the success-connection probability;while the dual-subnets infrastructure disperses data flows into XY-subnet and YX-subnet, avoids transmission congestion, and thus reduces packet transmission delay. The simulation results show that this Dyn-Dualnet-QoS strategy can provide great QoS guarantee for various levels of packet transmissions.