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Изворен канал @pythonotes · Post #396 · 9 окт.

7.09.2025 состоялся релизPithon 3.14! На фоне хайпа про NoGIL всё позабыли про другие фичи. Особенно про Multiple Interpreters, который обещает изоляцию процессов но с эффективностью потоков! На сколько действительно это будет эффективно мы узнаем позже, потому что сейчас это лишь первый релиз с ограничениями и недоработками. Но что там про NoGIL? Теперь этот режим не экспериментальный, а официально поддерживаемый, но опциональный. Чтобы запустить без GIL нужна специальная сборка. И перед стартом нужно объявить переменную PYTHON_GIL=0 Для вас я собрал готовый репозиторий где достаточно запустить скрпит, который всё сделает: ▫️ соберет релизный Python 3.14 в новый Docker-образ ▫️ запустит тесты в контейнере (GIL, NoGIL, MultiInterpreter) ▫️ распечатает результаты Тест очень простой, усложняйте сами) Вот какие результаты у меня: === Running ThreadPoolExecutor GIL ON TOTAL TIME: 45.48 seconds === Running ThreadPoolExecutor GIL OFF TOTAL TIME: 6.14 seconds === Running basic Thread GIL ON TOTAL TIME: 45.54 seconds === Running basic Thread GIL OFF TOTAL TIME: 4.74 seconds === Running with Multi Interpreter TOTAL TIME: 18.30 seconds Если сравнивать GIL и NoGIL, то на мои 32 ядра прирост х7-x10 (почему не х32? 🤷). При этом нам обещают что скорости будут расти с новыми релизами. Режим без GIL похож (визуально) на async, тоже параллельно, тоже не по порядку. Но это не IO! и от того некоторый диссонанс в голове 😵‍💫, нас учили не так! Интересно, что чистый Thread работает быстрей чем ThreadPoolExecutor без GIL. Ну и где-то плачет один адепт мульти-интерпретаторов😭 Теперь нужно искать где они могут пригодиться с такой-то скоростью. Скорее всего своя область применения найдется. Отдельно я затестил память и вот что вышло на 32 потока: ThreadPoolExecutor GIL ON 305.228 MB ThreadPoolExecutor GIL OFF 500.176 MB basic Thread GIL ON 90.668 MB basic Thread GIL OFF 472.444 MB with Multi Interpreter 1267.788 MB Пока не знаю как к этому относиться) В целом - радует направление развития! #release

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NEA Singapore

@NEASingapore · Post #964 · 18.12.2024 г., 01:01

Altocumulus clouds putting on a post-storm sunset show! 🌅☁️ After a thunderstorm mid-level clouds like altocumulus are often spotted. These clouds are the ideal backdrop for vibrant skies because they catch sunlight, creating those deep, fiery colours we love.😍#WeatherWednesday

NEA Singapore

@NEASingapore · Post #886 · 11.09.2024 г., 01:01

#WeatherWednesday Planning for an outdoor adventure? This message is for you! While some UV exposure is important for health functions, excessive exposure may be harmful to your skin and eyes. Minimise the effects by: ✅ Using sunscreen (at least SPF 30) ✅ Using an umbrella and seeking shade ✅ Wearing sunglasses that block UVA/UVB rays ✅ Wearing a broad-brimmed hat

NEA Singapore

@NEASingapore · Post #878 · 14.08.2024 г., 01:02

#WeatherWednesday. With climate change, many countries in the world are seeing rising temperatures. ☀️🌡️ Minimise your risks of heat stress and heat-related illnesses, with the Heat Stress Advisory on myENV app (www.nea.gov.sg/myENV) or www.weather.gov.sg. Get helpful tips on how you can adjust your activities, take protective actions, and wear appropriate attire depending on the prevailing heat stress levels.

NEA Singapore

@NEASingapore · Post #692 · 25.10.2023 г., 01:02

Before heading out for prolonged outdoor activities, check out tips on how you can adjust your activities, take protective actions and wear appropriate attire depending on the prevailing heat stress levels on myENV app or www.weather.gov.sg. #WeatherWednesday

NEA Singapore

@NEASingapore · Post #646 · 20.09.2023 г., 01:01

#WeatherWednesday Mark your calendars, we're counting down to the celestial spectacle in the night sky! The Harvest Moon 🌕 is set to grace us with its luminous presence on 29 Sep 2023. Share your best photos using #WeatherWednesday and stand a chance to be featured! 📸✨

NEA Singapore

@NEASingapore · Post #571 · 21.06.2023 г., 00:31

For those who answered A, B or C, you may be experiencing pareidolia! It is the term used for the human tendency to see a specific image in random visual patterns. Most of us have experienced it at least once! #WeatherWednesday

NEA Singapore

@NEASingapore · Post #554 · 24.05.2023 г., 03:31

Have you ever seen a faint coloured ring circling the sun? These are halos, which are formed by the refraction of sunlight through ice crystals in high-level clouds. P.S. Remember not to look directly at the sun! #WeatherWednesday

NEA Singapore

@NEASingapore · Post #552 · 17.05.2023 г., 00:15

Have you ever spotted a funnel of water out at sea? This is a waterspout - a rotating column of air that descends from the base of a thunderstorm cloud. They are usually short-lived, lasting between 10 to 30 minutes before quickly dissipating when it nears the coast. There are an average of 3 occurrences of waterspouts in waters off Singapore per year. If you see one, exit the waters quickly as they can move at speeds up to 80km/h! #WeatherWednesday

NEA Singapore

@NEASingapore · Post #547 · 10.05.2023 г., 03:30

Ever noticed that it gets foggy after prolonged or heavy rainfall? This is because the air is saturated with water vapour, which then condenses around the dust particles in the air, and clumps together. Hence, the fogginess! #WeatherWednesday

NEA Singapore

@NEASingapore · Post #454 · 02.11.2022 г., 00:15

#WeatherWednesday Lightning strikes emit electromagnetic waves that can be detected by a ground-based lightning detection sensor. Singapore has 4 ground-based sensors which triangulate each strike and determine their location & characteristics! Learn more: go.gov.sg/weather-instruments

NEA Singapore

@NEASingapore · Post #451 · 26.10.2022 г., 00:30

#WeatherWednesday How many hours of sunlight do we get? The sunshine recorder measures just that! As the sun’s rays pass through the instrument’s glass globe, it burns a hole on a recorder card placed at its base. Learn more at go.gov.sg/weather-instruments

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