Fractal tree structure commutation structure and method, control device and intelligent chip

Abstract

The invention provides a fractal tree structure commutation structure and method, a control device and an intelligent chip. The communication structure comprises a center node, a plurality of leaf nodes and a repeater module, wherein the center node is a communication data center of a network-on-chip and is used for carrying out communication data broadcasting or multicast on the plurality of leaf nodes; the plurality of leaf nodes are the communication data nodes of the network-on-chip and are used for transferring the communication data to the center leaf node; and the repeater module is used for connecting the center node and the plurality of leaf nodes and forwarding the communication data. The plurality of leaf nodes are divided into N groups, wherein the numbers of the leaf nodes in all groups are the same; the center node is in communication connection with each group of leaf nodes separately by the repeater module;the communication structure is of the fractal tree structure, the communication structure formed by each group of leaf nodes has self-similarity, and the repeater module comprises a central repeater module, a leaf repeater module and a middle repeater module.

Description

technical field [0001] The present invention relates to technical fields such as intelligent equipment, unmanned driving, and on-chip network data transmission, and in particular to a fractal tree structure communication structure, method, control device and smart chip, which are used for on-chip network communication. Background technique [0002] Realize operations such as broadcasting and multicasting on the network-on-chip. The network-on-chip is a new communication method of the system-on-chip and is the main component of the multi-core technology. The broadcast means that the network unconditionally copies and forwards the data packet sent by the broadcast address, and all hosts can receive all the information; the multicast means that the multicast data is only received by the interfaces that are interested in the data packet. That is, received by interfaces on hosts running applications wishing to participate in the multicast session. The currently used communicatio...

AI Technical Summary

Problems solved by technology

However, the ring-type network-on-chip structure has the disadvantage of long broadcast and multicast delays.

[0005] The existing technology does not provide effective support for the broadcast and multicast communication methods between on-chip multi-cores. Therefore, it is particularly urgent to provide a method that is suitable for both broadcast communication and multicast communication with low delay and small area occupation. necessary

Images