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Reliability assessment method of resource restrictive multi-node calculation system

A technology of resource constraints and computing systems, applied in the computer field, can solve problems such as storage difficulties and low computing efficiency, achieve high computing efficiency, improve computing efficiency, and reduce storage space requirements

Active Publication Date: 2016-04-20
ZHEJIANG NORMAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of too many states, difficult storage, and low calculation efficiency when the enumeration method is used for state enumeration in the communication resource-constrained multi-node computing system in the prior art, and a more efficient decision-making graph operation is used The data structure efficiently encodes the working status of a communication resource-constrained multi-node computing system, thereby greatly reducing the storage space requirement and improving computing efficiency

Method used

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  • Reliability assessment method of resource restrictive multi-node calculation system
  • Reliability assessment method of resource restrictive multi-node calculation system
  • Reliability assessment method of resource restrictive multi-node calculation system

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Embodiment

[0077] Step 1: Establish the basic BDD model computer cluster organization, and encode the single server or computing core and the status of its running components in each computing or working node (1) in the BDD model computer cluster organization according to Boolean variables (2 ), a single server or computing core and its operating components are collectively referred to as nodes hereinafter; all operating status forms of nodes are coded as X, when X nodes are in working status, they are coded 1, and the status indicates X=1; when X nodes are In the fault state, the code is 0, and the state indicates X=0; and the connection state code of X=1 is 1, and the connection state code of X=0 is 0; the node accepts the operation data from each subordinate or peer node, and sets the model diagram as shown in 1.

[0078] And set the probability P of the running state when the data is received in the branch (3) of 0 and 1. The probability P comes from the node manufacturer's manufactu...

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Abstract

The invention belongs to the technical field of computers. According to the technical scheme, a reliability assessment method of a resource restrictive multi-node calculation system comprises steps as follows: step 1: a basic BDD (behavior driven-development) model computer cluster organization is established, and nodes in the BDD model computer cluster organization are encoded according to Boolean variables; step 2: the BDD model is continuously used, the system-level state of the BDD model computer cluster organization is encoded, the nodes of the BDD model computer cluster organization are arranged and numbered in an X-axis and Y-axis coordination manner in space, and the positions of the nodes in the system-level BDD model are represented with horizontal-axis and vertical-axis coordinates in the plane; step 3: after the coordinates are determined in the step 2, the work starting nodes are set according to the demand of the work (load) state of the nodes of the BDD model computer cluster organization; step 4: after the BDD model computer cluster organization is constructed in the step 3, reliability assessment is performed on the obtained BDD model computer cluster organization by means of the system-level BDD model.

Description

technical field [0001] The invention belongs to the technical field of computers and relates to a method for evaluating the reliability of a resource-constrained multi-node computing system. Background technique [0002] With the development of economy and society, people's demands on the processing capacity of computing systems continue to increase. The multi-node computing system that has emerged in recent years provides powerful computing capabilities through parallel computing of multiple independent computing nodes. There are two types of typical multi-node computing systems, 1) cluster computing system: the cluster computing system is composed of multiple server nodes through the Internet, and provides services as a virtual high-performance server under the management of cluster management software ;2) Multi-core processor: A multi-core processor is designed with multiple computing cores and their interconnection inside the chip. At this time, the computing power of a...

Claims

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Application Information

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IPC IPC(8): G06F15/177G06F15/173
Inventor 莫毓昌
Owner ZHEJIANG NORMAL UNIVERSITY
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