Formal analysis method for parallel system performance

A system performance and analysis method technology, applied in the field of continuous improvement of parallel system performance based on the timed colored Petri net computing model, can solve problems such as poor efficiency and high cost of analysis methods

Inactive Publication Date: 2016-04-20
SHANGHAI PRECISION METROLOGY & TEST RES INST
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Problems solved by technology

[0012] The problem solved by the present invention is that the existing parallel system performance analysis method has high cost and poor efficiency; in order to solve the problem, the present invention provides a formal analysis method of parallel system performance

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  • Formal analysis method for parallel system performance
  • Formal analysis method for parallel system performance
  • Formal analysis method for parallel system performance

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Embodiment Construction

[0077] Hereinafter, the present invention will be further described in conjunction with the drawings and embodiments.

[0078] The present invention provides guidance for giving full play to the performance of parallel machine hardware components and developing high-performance parallel application programs, so the multi-layer fast multi-pole algorithm MLFMA with high data volume and complexity is selected to illustrate the process of realizing the accurate numerical calculation of aircraft RCS .

[0079] The basic data structure of the parallel program is a distribution tree, and the scatterer completes layer-by-layer aggregation, transfer and de-aggregation operations on the tree structure. The establishment of the MLFMA tree involves the distributed storage of data. According to the characteristics of the distribution tree (that is, the number of boxes in the distribution layer is small, and the number of boxes in the shared layer is small, and the number of angles is large...

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Abstract

The invention discloses a formal analysis method for parallel system performance. The method comprises: step 1, establishing a parallel program performance model and a parallel machine model; step 2, establishing mapping relations between the parallel program performance model and the parallel machine model, to form a parallel system performance model, and performing parallel system performance analysis. The invention provides the efficient parallel system performance analysis method.

Description

technical field [0001] The invention relates to the field of parallel system performance analysis, in particular to a method for continuously improving parallel system performance based on a timed colored Petri net computing model. Background technique [0002] As an important means to solve large-scale computing problems, high-performance computing technology is more and more widely used in various fields of science and engineering. However, with the continuous expansion of the scale of high-performance computers and the rapid improvement of system peak performance, the continuous performance of applications has not been improved in the same proportion, and the gap between the two is widening. Therefore, how to find the bottleneck of system performance and improve the continuous performance of the system has become an urgent problem to be solved in the field of high-performance computing research. [0003] Currently commonly used parallel system (parallel program + paral...

Claims

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Application Information

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IPC IPC(8): G06F11/36G06F9/44
Inventor 成斌钱平王凌齐宏恩龚丹丹陈春萍李楠张闯郭素敏刘冰川杨雨翰蒋坚鸿
Owner SHANGHAI PRECISION METROLOGY & TEST RES INST
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