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Задача сортировки маленьких массивов данных примитивных типов является частой операцией во многих алгоритмах. Для скорости важно уметь компилировать алгоритм сортировки в наименьшее количество ассемблерных инструкций и без ветвлений. Так вот, парни из DeepMind натравили сетку MuZero на эту задачу, чтобы она с помощью Reinforcement Learning поискала, как улучшить существующие алгоритмы сортировки.

До этого:
Sort3 компилировалася в 18 инструкций (3 элемента за 3 сравнения)
Sort4 - в 28 (4 элемента за 5 сравнений)
Sort5 - в 46 (5 элементов за 9 сравнений).

MuZero:
Нашла как сделать sort3 за 17 инструкций, sort5 за 43!!! Это прям круто и очень неожиданно! Тут пожно посмотерть патч в llvm.

Подробнее в посте у experimentalchill.



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Задача сортировки маленьких массивов данных примитивных типов является частой операцией во многих алгоритмах. Для скорости важно уметь компилировать алгоритм сортировки в наименьшее количество ассемблерных инструкций и без ветвлений. Так вот, парни из DeepMind натравили сетку MuZero на эту задачу, чтобы она с помощью Reinforcement Learning поискала, как улучшить существующие алгоритмы сортировки.

До этого:
Sort3 компилировалася в 18 инструкций (3 элемента за 3 сравнения)
Sort4 - в 28 (4 элемента за 5 сравнений)
Sort5 - в 46 (5 элементов за 9 сравнений).

MuZero:
Нашла как сделать sort3 за 17 инструкций, sort5 за 43!!! Это прям круто и очень неожиданно! Тут пожно посмотерть патч в llvm.

Подробнее в посте у experimentalchill.

BY эйай ньюз




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The original Telegram channel has expanded into a web of accounts for different locations, including specific pages made for individual Russian cities. There's also an English-language website, which states it is owned by the people who run the Telegram channels. Right now the digital security needs of Russians and Ukrainians are very different, and they lead to very different caveats about how to mitigate the risks associated with using Telegram. For Ukrainians in Ukraine, whose physical safety is at risk because they are in a war zone, digital security is probably not their highest priority. They may value access to news and communication with their loved ones over making sure that all of their communications are encrypted in such a manner that they are indecipherable to Telegram, its employees, or governments with court orders. The company maintains that it cannot act against individual or group chats, which are “private amongst their participants,” but it will respond to requests in relation to sticker sets, channels and bots which are publicly available. During the invasion of Ukraine, Pavel Durov has wrestled with this issue a lot more prominently than he has before. Channels like Donbass Insider and Bellum Acta, as reported by Foreign Policy, started pumping out pro-Russian propaganda as the invasion began. So much so that the Ukrainian National Security and Defense Council issued a statement labeling which accounts are Russian-backed. Ukrainian officials, in potential violation of the Geneva Convention, have shared imagery of dead and captured Russian soldiers on the platform. "Markets were cheering this economic recovery and return to strong economic growth, but the cheers will turn to tears if the inflation outbreak pushes businesses and consumers to the brink of recession," he added. Unlike Silicon Valley giants such as Facebook and Twitter, which run very public anti-disinformation programs, Brooking said: "Telegram is famously lax or absent in its content moderation policy."
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