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Оптимизация проверки хэша
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Topic: Оптимизация проверки хэша (Read 1382 times)
ArsenShnurkov
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Оптимизация проверки хэша
May 13, 2012, 12:53:55 AM
#1
Quote from: Balthazar on May 12, 2012, 11:12:15 PM
Основной тормоз при загрузке блоков - это не база данных, а openssl.
Оптимизация проверки хэша дает ускорение в 3-6 раз без проблем.
Я правильно понимаю, что эти хеши ищутся на видеокартах и FPGA,
а вот при загрузке так делать никто не умеет и пользуются только CPU ?
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Re: Оптимизация проверки хэша
May 13, 2012, 01:10:15 AM
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При загрузке цепочки блоков из образа на диске считается хэш заголовка каждого из блоков и проверяется на соответствие прописанному в заголовке блока nBits. Это делается для контроля целостности цепочки блоков на диске и да, делается на CPU. Но и на CPU эту задачу можно решить быстрее, чем в текущей реализации.
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