Large-scale parallel system simulation method based on single-node simulation

A system simulation, single-node technology, applied in the direction of transmission system, multi-program device, program control design, etc., can solve problems such as shortage, limited number, and limited system scalability, and achieve high scalability and low deceleration than the effect
CN112068942AActive Publication Date: 2020-12-11BEIHANG UNIV
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
BEIHANG UNIV
Publication Date
2020-12-11

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Abstract

The invention provides a large-scale parallel system simulation method based on single-node simulation, wherein the method comprises the following steps: step 1, firstly, a large-scale parallel program runs in an existing computing system or a cloud platform according to an expected process scale and problem scale, and running information is acquired in a program running process; step 2, after necessary information supporting operation of a single process is collected, a user specifies configuration of a target high-performance computer to be simulated; step 3, the user selects a part of processes to be simulated, specifies process-node distribution, inputs the processes and node information into configuration, and starts a parallel system simulation system in a local host machine cluster;and step 4, the user starts the parallel program in the parallel system simulation system, and in the execution process, the calculation process, process scheduling and process-to-resource competition of the processes executed in the same node are accurately simulated by the single-node whole system simulation instance.
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Description

technical field

[0001] The present invention relates to a simulation method and a simulator system structure of a large-scale parallel computing system, in particular to a method for efficiently simulating and executing part of a process in a large-scale parallel program when the target hardware does not have it, and a simulator system structure . Background technique

[0002] System structure simulator plays a very important role in the process of computer system design and implementation. In the early stage of design, the system design scheme can be determined through coarse-grained functional simulation; in the process of system development, the microstructure design can be further improved through fine-grained clock-accurate simulation; at the same time, the system software of the target system can also be synchronized Development, to speed up system development; in the process of synchronous software and hardware research and development, the performance prediction and...

Claims

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