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Concurrent program runtime parameter optimizing method

An optimization method and program operation technology, applied in the computer field, can solve problems such as lack of relatively complete technical solutions, achieve the effects of reducing the number of experiments, optimizing parameter combinations, and simplifying analysis work

Active Publication Date: 2017-06-30
UNIV OF SCI & TECH OF CHINA
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Problems solved by technology

At present, there is no relatively complete technical solution for tuning the runtime parameters of MPI applications

Method used

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  • Concurrent program runtime parameter optimizing method
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  • Concurrent program runtime parameter optimizing method

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Embodiment Construction

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] The purpose of the present invention is to provide a method for parameter optimization of parallel program runtime. It is very easy for MPI application programs to obtain good performance on the cluster platform, but it is still an extremely difficult task to obtain the best MPI performance. The task requires maximum optimization of all levels of the system's software and hardware. The present invention mainly optimizes OpenMPI parameters. ...

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Abstract

The invention discloses a concurrent program runtime parameter optimizing method, which comprises the steps that preparative experiment is performed by a one-order one-factor experiment method; the influence of single parameter change on the program performance is obtained, so that the parameters with the program performance influence exceeding the preset target, and the parameter values are screened out; the current optimal parameter combination is coarsely screened out from the parameter screened out from the preparative experiment by a uniform experiment method; a quantitative parameter value is then taken near each parameter value in the coarsely screened optimal parameter combination; the contribution degree on the experimental index of each parameter and the parameter values is analyzed by an orthogonal experiment method; further, the final optimal parameter combination is determined. The method has the advantages that the optimal parameter combination of the concurrent program on a concrete platform can be obtained; the parameter combination can be recommended to budget exceeding users, so that the operation of the budget exceeding users runs at the parameter combination; the execution efficiency of the application program is optimized, so that the whole throughput rate of the budget exceeding system platform is improved.

Description

technical field [0001] The invention relates to the technical field of computers, in particular to a parameter optimization method for parallel program running. Background technique [0002] MPI (Message Passing Interface) is a message passing programming standard jointly established by industry, scientific research and government departments all over the world. It provides the interface between most parallel applications and hardware, and is the de facto standard for parallel program development in the field of high performance computing. It is widely used in distributed and shared memory systems. OpenMPI is a concrete implementation of MPI based on the component structure, which implements the MPI-1 and MPI-2 standards, and is open source. The OpenMPI design centers on the Modular Component Architecture (MCA), which is a software layer that provides management services for the OpenMPI framework. The management service provided by MCA can pass the runtime parameters recei...

Claims

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Application Information

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IPC IPC(8): G06F9/48G06F11/34
CPCG06F9/4881G06F11/3419
Inventor 孙广中史腾飞周英华
Owner UNIV OF SCI & TECH OF CHINA
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