Arbitration control method, communication method, arbitrator and communication system

A control method and technology of a communication system, applied in the fields of arbitration control, communication, arbiter and communication system, can solve the problems of low centralized arbitration pipeline arbitration capability, low utilization rate of communication node resources, etc., so as to reduce the overall waiting time, improve the Efficiency and link utilization, the effect of reducing failures

Active Publication Date: 2011-03-23
JIANGNAN INST OF COMPUTING TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0008] The problem to be solved by the present invention is to provide an arbitration control method and a communication method, as well as a corresponding arbiter and

Method used

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  • Arbitration control method, communication method, arbitrator and communication system
  • Arbitration control method, communication method, arbitrator and communication system
  • Arbitration control method, communication method, arbitrator and communication system

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Embodiment Construction

[0071] In order to realize fair and efficient communication, the embodiment of the present invention introduces a request screening mechanism, which enables the arbitrator to sort and screen the requests sent by the nodes before arbitration, thereby improving the utilization rate of the link. In addition, the arbitrator performs conditional priority arbitration according to different types of requests, making arbitration more efficient. In addition, multi-level request screening can also be set according to the change of the scale of the ring network or the arbitration capacity, so as to conveniently realize the expansion of the communication system.

[0072] refer to figure 2 , the embodiment of the present invention provides an arbitrator 100, including: a request screening unit 110, configured to receive the communication requests submitted by the source node, and sort them, and the sorting order is related to the link distance and the link distance of the communication re...

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Abstract

The invention relates to an arbitration control method, a communication method using the arbitration control method, an arbitrator and a communication system using the arbitrator. The arbitration control method comprises the following steps of: sequencing communication requests, wherein the sequencing is related to the link distance and submission time of the communication requests; screening the sequenced communication requests and submitting the screened communication requests; arbitrating the communication requests according to the types of the submitted communication requests and returning an arbitration failure response or arbitration success response; and updating a link record and a credit record according to the arbitration response. By the centralized management and allocation of credit and links of communication resources, the arbitration process is simplified, the streamline arbitration capability is improved and the communication efficiency of the links is increased.

Description

technical field [0001] The invention relates to an arbitration control method, a communication method, an arbiter and a communication system. Background technique [0002] With the development of integrated circuit technology and system-on-chip (SoC, System-on-Chip), the density of integrated circuits on chip is getting larger and larger, which can accommodate more functional units, such as integrating more processor cores (core), Memory control for communication between processor core and main memory, interface unit for communication between chip and other external devices, and more third-party IP cores, etc. The increase of on-chip functional units puts forward higher requirements for on-chip communication bandwidth and delay. At the same time, the reduction of integrated circuit feature size makes the delay caused by wiring account for an increasing proportion of on-chip communication. These The emergence of problems makes the traditional bus interconnection no longer su...

Claims

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Application Information

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IPC IPC(8): H04L12/40H04L12/437
Inventor 黄永勤任秀江李宏亮过锋郑卫华郑方胡苏太
Owner JIANGNAN INST OF COMPUTING TECH
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