Goophi: новый код для моделирования астрофизических течений на суперЭВМ, оснащенных ускорителями Intel Xeon PHI

Goophi: новый код для моделирования астрофизических течений на суперЭВМ, оснащенных ускорителями Intel Xeon PHI

Автор: Куликов Игорь Михайлович, Черных Игорь Геннадьевич

Журнал: Проблемы информатики @problem-info

Рубрика: Параллельное системное программирование и вычислительные технологии

Статья в выпуске: 2 (39), 2018 года.

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В статье изложен новый гидроднамический код gooPhi для моделирования астрофизических течений с использованием новейших ускорителей Intel Xeon Phi с архитектурой KNL. В рамках статьи мы рассмотрим астрофизическое явление: галактику типа медуза. Известно, что основные сценарии образования таких объектов основаны на механизме набегающего давления межгалактического газа или галактического ветра, создаваемого активным ядром галактики. Однако, механизм набегающего давления может быть получен в результате столкновения галактик различной массы. Такой сценарий и был исследован в настоящей работе с помощью разработанного кода. Подробно описан новый векторный численный метод, реализованный в виде программного кода для массивно-параллельных архитектур. Для решения гидродинамических уравнений используется модификация оригинального численного метода, основанного на комбинации метода разделения операторов, метода Годунова и HLL схемы. Такой метод объединяет все достоинства перечисленных методов и обладает высокой степенью параллели-зации...

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Математическое моделирование, вычислительная астрофизика

Короткий адрес: https://sciup.org/143167051

IDR: 143167051

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