Гайворонский Максим. Технология OMP. Маркировка компонент на бинарном изображении. Вариант 29#482
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Codecov Report❌ Patch coverage is
❌ Your patch status has failed because the patch coverage (89.38%) is below the target coverage (95.00%). You can increase the patch coverage or adjust the target coverage. Additional details and impacted files@@ Coverage Diff @@
## master #482 +/- ##
==========================================
+ Coverage 79.16% 79.25% +0.09%
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Files 267 268 +1
Lines 9325 9438 +113
Branches 3963 4009 +46
==========================================
+ Hits 7382 7480 +98
- Misses 1374 1379 +5
- Partials 569 579 +10 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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Описание
Последовательная версия (SEQ)
Последовательный обход сетки в порядке «строка за строкой». Для каждого ещё не помеченного чёрного пикселя запускается BFS по 4-соседям; всем клеткам компоненты присваивается одна метка. Нумерация компонент 1, 2, 3, … в порядке первого появления при таком обходе.
Параллельная версия (OMP)
min(GetNumThreads(), rows); границы полос задаются равномерным разбиением числа строк.1…kна поток).#pragma omp parallel forпо строкам).Чек-лист
<фамилия>_<первая_буква_имени>_<короткое_название_задачи>clang-formatлокально в моем форке (нет ошибок форматирования)clang-tidyлокально в моем форке (нет предупреждений/ошибок)(например,
nesterov_a_vector_sum), а не вmasterдостоверными