Create: 2024-11-13 Update: 2025-07-08 19:08:01

Разбираем выравнивание данных и структуру памяти в Rust

Мне нравится оптимизировать код — определение и исправление неэффективных участков кода приносит некое особое чувство удовлетворения в отличие от закидывания проблемы железом. Ведь последнее — пустая трата ресурсов и выбросов углерода!

В процессе моей работы я много раз оптимизировал использование памяти датафреймов Python. Не учитывая различные особенности, зачастую наиболее быстрым решением является понижающее приведение — к примеру, конвертация столбца нулей и единиц из int в bool. И хотя это срабатывает, недавно к своему удивлению я узнал, что булевы числа не всегда отображаются в качестве одиночных битов. Так как же отображаются типы данных в памяти?

Подобно тому, как аккуратно организованные стеллажи книг в библиотеке помогают легко найти нужную информацию, отображение данных в памяти может сильно повлиять на производительность и эффективность использования памяти вашего приложения.

https://habr.com/ru/companies/beget/articles/856720/

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Разбираем выравнивание данных и структуру памяти в Rust

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