Astrophi: программный комплекс для моделирования динамики астрофизических объектов на гибридных суперЭВМ, оснащенных ускорителями Intel Xeon Phi

Astrophi: программный комплекс для моделирования динамики астрофизических объектов на гибридных суперЭВМ, оснащенных ускорителями Intel Xeon Phi

Автор: Куликов Игорь Михайлович, Черных Игорь Геннадьевич, Глинский Борис Михайлович

Журнал: Вестник Южно-Уральского государственного университета. Серия: Вычислительная математика и информатика @vestnik-susu-cmi

Статья в выпуске: 4 т.2, 2013 года.

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В статье представлен новый сверхмасштабируемый программный комплекс AstroPhi для моделирования динамики астрофизических объектов на гибридных суперЭВМ, оснащенных ускорителями Intel Xeon Phi. Численный метод решения газодинамических уравнений основан на специально адаптированной для реализации на множестве ускорителей комбинации метода крупных частиц и метода Годунова. Для решения уравнения Пуассона используется быстрое преобразование Фурье. Программная реализация была отдельно протестирована на газодинамических задачах, на задаче решения уравнения Пуассона и на классических задачах гравитационной газовой динамики. Показано ускорение программного комплекса при использовании ускорителей Intel Xeon Phi, уточнено понятие масштабируемости при использовании ускорителей. Представлены результаты моделирования коллапса астрофизических объектов.

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Математическое моделирование, параллельные вычисления, ускорители intel xeon phi, астрофизика

Короткий адрес: https://sciup.org/147160514

IDR: 147160514

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