Adaptive Dynamic Shortest Path Search Algorithm in Networks-on-Chip Based on Circulant Topologies

被引：9
|
作者：
Monakhov, Oleg G. [1 ]
Monakhova, Emilia A. [1 ]
Romanov, Aleksandr Yu. [2 ]
Sukhov, Andrej M. [2 ]
Lezhnev, Evgenii V. [2 ]
机构：
[1] RAS, Inst Computat Math & Math Geophys SB, Novosibirsk 630090, Russia
[2] HSE Univ, Moscow 101000, Russia
来源：
IEEE ACCESS | 2021年 / 9卷
关键词：
Topology; Routing; Network topology; Heuristic algorithms; Multiprocessing systems; Communication networks; System recovery; Pair routing algorithm; reserve shortest path; circulant network; network-on-chip;
D O I：
10.1109/ACCESS.2021.3131635
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A new pair routing algorithm for transmitting messages in multiprocessor systems and networks-on-chip based on circulant networks of arbitrary dimension is proposed. It allows using all reserve shortest paths in the presence of destructive factors (deadlocks, livelocks, starvation, failures) at the nodes and channels of the communication network. A distinctive feature of the proposed algorithm is the absence of using the routing tables with fixed shortest paths when message is transmitted. It becomes possible to determine the set of the shortest paths for routing due to the relative addresses of destination nodes based on a parametric description of the network. Estimates of the number of reserve shortest paths are obtained, and an effective algorithm for using these paths to prevent dynamic topology changes and network congestions is proposed. To reduce the required memory in networks-on-chip with a circulant topology, we proposed a version of the routing algorithm for two-dimensional optimal circulants. We experimentally found the minimum number of reference nodes (nodes containing mapping tables) for them and estimates of memory for mapping tables, as well as the average path length for the routing algorithm using the reference nodes.
引用
收藏
页码：160836 / 160846
页数：11
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