Волков Алексей. Технология MPI, SEQ. Поразрядная сортировка для вещественных чисел (тип double) с четно-нечетным слиянием Бэтчера. Вариант 21#290
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Codecov Report❌ Patch coverage is ❌ Your patch status has failed because the patch coverage (84.35%) is below the target coverage (95.00%). You can increase the patch coverage or adjust the target coverage.
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## master #290 +/- ##
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- Coverage 94.03% 16.57% -77.46%
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Files 15 189 +174
Lines 486 7343 +6857
Branches 181 2860 +2679
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+ Hits 457 1217 +760
- Misses 0 6040 +6040
- Partials 29 86 +57 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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aobolensk
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Jan 3, 2026
| MPI_Sendrecv(local_vec.data(), counts[rank], MPI_DOUBLE, neighbor, 0, buffer_recv.data(), counts[neighbor], | ||
| MPI_DOUBLE, neighbor, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); | ||
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| std::merge(local_vec.begin(), local_vec.end(), buffer_recv.begin(), buffer_recv.begin() + counts[neighbor], |
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You were supposed to implement Batcher merge, not use the ordinary one
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Программа решает задачу распределенной сортировки вектора double с использованием MPI. Реализован гибридный подход: геометрический параллелизм с локальной поразрядной сортировкой (сложность
O(N)) и параллельным слиянием. Ключевой особенностью является механизм DoubleToOrderedInt, позволяющий применять целочисленные алгоритмы к формату IEEE 754, и использование топологии Бэтчера для минимизации транзакций при обмене данными между процессами. Реализованы последовательная (SEQ) и параллельная (MPI) версии с покрытием unit-тестами.
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<фамилия>_<первая_буква_имени>_<короткое_название_задачи>clang-formatлокально в моем форке (нет ошибок форматирования)clang-tidyлокально в моем форке (нет предупреждений/ошибок)nesterov_a_vector_sum), а не вmaster