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A Supercomputer-Based Optimization Method for Fluid Machinery Simulation Program

A technology of supercomputer and simulation program, applied in the direction of design optimization/simulation, special data processing application, etc., can solve problems such as large amount of data, long simulation time, complex control logic, etc., to improve operating efficiency and shorten simulation time , Improve the effect of transmission efficiency

Active Publication Date: 2020-08-28
XI AN JIAOTONG UNIV
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  • Application Information

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Problems solved by technology

As a simulation program, it uses the high-speed computing power of the computer to describe the real flow law of the fluid in space according to the basic laws of fluid flow. , simulation takes too long, etc.

Method used

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  • A Supercomputer-Based Optimization Method for Fluid Machinery Simulation Program
  • A Supercomputer-Based Optimization Method for Fluid Machinery Simulation Program
  • A Supercomputer-Based Optimization Method for Fluid Machinery Simulation Program

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Embodiment Construction

[0034] The present invention is further described below in conjunction with accompanying drawing:

[0035] The present invention proposes a supercomputer-based fluid machinery simulation program optimization method. Aiming at the Sunway TaihuLight supercomputing platform architecture and programming characteristics, combined with the fluid machinery simulation program characteristics, a set of systematically feasible optimization schemes is proposed.

[0036] see figure 1 , a fluid machinery simulation program optimization method based on Sunway TaihuLight, including the following steps: Step 1, use gporf and other tools provided by Sunway TaihuLight domestic supercomputing platform to divide the fluid machinery simulation program algorithm, find The calculation-intensive algorithm part of the program algorithm is suitable for the acceleration of the Sunway TaihuLight architecture. Then according to the characteristics of the Sunway TaihuLight programming platform, import the "...

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Abstract

The invention discloses a supercomputer-based optimization method for a fluid machinery simulation program. According to the architecture and programming characteristics of Shenwei-Taihu Light supercomputing system and the characteristics of fluid mechanical simulation program, a feasible optimization scheme of the system is proposed, which includes block-based multi-core parallel optimization, DMA transmission optimization, data layout optimization, double buffer optimization, SIMD vectorization optimization and register communication optimization in turn. This method provides a general optimization method for the developer who develops, transplants or optimizes the fluid mechanical simulation program for the Shenwei-Taihu Lake Light supercomputing platform, realizes the full utilizationof Shenwei-Taihu Light computing resources, improves the program performance, and shortens the simulation time.

Description

technical field [0001] The invention belongs to the intersection field of computational fluid dynamics and computer, in particular to a method for optimizing a fluid mechanical simulation program based on a supercomputer. Background technique [0002] The Sunway TaihuLight supercomputer is independently developed by the National Parallel Computer Engineering Technology Research Center and is now installed in the National Supercomputing Wuxi Center. The peak performance is 125.4PFlops, from June 20, 2016 to November 31, 2017 It has won the first place in the Top 500 list of global supercomputers (TOP500) for five consecutive times. It is built on the basis of the Shenwei SW26010 processor, and contains a total of 40,960 SW26010 processors. Each processor contains 4 core groups, and each core group contains 1 MPE (Management Processing Element, referred to as the main core) and 64 CPEs (Computing Processing Elements). Elements, referred to as the slave core), the slave cores ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20
CPCG06F30/20
Inventor 张兴军李靖波董小社周剑锋鲁晨欣邹年俊肖兮
Owner XI AN JIAOTONG UNIV
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