Implementation of Conjugate Gradient Algorithms
نویسندگان
چکیده
We evaluate the High-Performance Fortran (HPF) language for the compact expression and eecient implementation of conjugate gradient iterative matrix-solvers on High Performance Computing and Communi-cations(HPCC) platforms. We discuss the use of intrinsic functions, data distribution directives and explicitly parallel constructs to optimize performance by minimizing communications requirements in a portable manner. We focus on implementations using the existing Fortran 90 and HPF deenitions but also discuss issues arising that may innuence a revised deenition for HPF-2. Some of the codes discussed are available on the World Wide other educational and discussion material related to applications in HPF.
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تاریخ انتشار 1995