Predicting Execution Times of CFD Solvers for the Metacomputing System on a Supercomputing Environment

슈퍼 컴퓨팅 환경에서 메타 컴퓨터를 위한 전산 유체 해석 프로그램의 수행 시간 예측 도구 개발

A metacomputing system is constructed by integrating the heterogeneous supercomputers at KORDIC supercomputer center. The implementation is directed toward building up an easy-to-use supercomputing environment for Computational Fluid Dynamics (CFD) simulations. The key feature is an automatic resource selection According to the predicted performance, the system assigns the request job to the most suitable resource which satisfies the user's demands. Verification tests are conducted by using example CFD applications. An overview of the system is given and derivation of performance prediction models is described in details. Discussion is made of the test results to illustrate applicability and usefulness of the proposed models.