フラグメント分子軌道法プログラムABINIT-MPにおける2電子積分ルーチンの高速化ならびに並列化と性能評価

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タイトル別名
  • Improvement, Parallelization and Performance Evaluation of Routines for Electron Repulsion Integrals in Fragment Molecular Orbital Method Program ABINIT-MP
  • フラグメント ブンシ キドウホウ プログラム ABINIT MP ニ オケル 2 デンシ セキブン ルーチン ノ コウソクカ ナラビニ ヘイレツカ ト セイノウ ヒョウカ

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説明

We have coded the programs for the fast elecrton repulsion integrals (ERIs) calculation using the hybrid algorithm and embedded them into the ABINIT-MP program developed to perform the fragment molecular orbital calculation. Furthermore, parallelization and performance evaluation of our routines were also carried out. As the results, our routines shows better perforance than original routines coded using only VRR algorithm and high parallelization efficiency. Our performance evaluation indicated that the decreases of not only floating point operations but memory accesses are needed for the fast ERI calculation.

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