✅چرا Multi-Threading در پایتون مثل جاوا کار نمی‌کنه؟ @جنگولرن

Create: 2025-04-15 Update: 2025-07-01 05:35:51

✅چرا Multi-Threading در پایتون مثل جاوا کار نمی‌کنه؟

از لینکدین Majid BagherZadeh
کامنت های پستش رو بخونید. لینک این پست

یکی از تفاوت‌های جالب بین زبان‌های برنامه‌نویسی اینه که "Thread" در هر زبان لزوماً به معنای واقعی خودش اجرا نمی‌شه!

🔹 در جاوا، Threadها واقعاً می‌تونن روی چندین هسته CPU اجرا بشن، مخصوصاً حالا که با Virtual Threads در جاوا ۲۱، اجرای هم‌زمان بسیار سبک‌تر و مقیاس‌پذیرتر شده.

🔹 اما در پایتون، یک چیزی به نام GIL (Global Interpreter Lock) وجود داره که باعث می‌شه در هر لحظه فقط یک Thread بتونه اجرا بشه، حتی اگه چند Thread ساخته باشیم! به همین خاطر، در پایتون برای استفاده از تمام هسته‌های CPU معمولاً به جای Multi-Threading از Multi-Processing استفاده می‌کنن.

💡 نتیجه؟
اگر توی جاوا Thread بسازید، واقعاً روی چند هسته اجرا می‌شه. اما توی پایتون، ساختن چندین Thread لزوماً به معنی اجرای هم‌زمان واقعی نیست! به جای اون، در پایتون پردازش‌های موازی بیشتر با Multi-Processing انجام می‌شن تا بتونن از همه‌ی قدرت CPU استفاده کنن.

🔥 این یکی از اون تفاوت‌هایی‌ـه که اگر بهش دقت نکنید، ممکنه فکر کنید Multi-Threading همیشه همون معنی رو داره—ولی در عمل، بستگی داره که توی چه زبانی کار می‌کنید!

🚀 شما چقدر به این تفاوت‌ها توجه کردید؟ تجربه‌ای در این زمینه داشتید؟

جنگولرن

🧵 چرا Multi-Threading در پایتون مثل جاوا کار نمی‌کنه؟

یکی از تفاوت‌های… | Majid BagherZadeh | 43 comments

🧵 چرا Multi-Threading در پایتون مثل جاوا کار نمی‌کنه؟

یکی از تفاوت‌های جالب بین زبان‌های برنامه‌نویسی اینه که "Thread" در هر زبان لزوماً به معنای واقعی خودش اجرا نمی‌شه!

🔹 در جاوا، Threadها واقعاً می‌تونن روی چندین هسته CPU اجرا بشن، مخصوصاً حالا که با…

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✅چرا Multi-Threading در پایتون مثل جاوا کار نمی‌کنه؟