برنامه نویسان | Barnamenevisan | United States America (US)

Create: 2025-06-15 Update: 2025-07-08 00:10:23

🔴 معماری حافظه‌های LRU؛ مدیریت هوشمند کش‌ها در سیستم‌های مدرن

🔸 حافظه‌ی کش یکی از مهم‌ترین اجزای بهینه‌سازی سرعت سیستم‌هاست. اما وقتی منابع محدودند، باید تصمیم‌گیری هوشمندانه‌ای درباره نگهداری یا حذف داده‌ها انجام شود. الگوریتم LRU یا Least Recently Used، یکی از پرکاربردترین روش‌ها برای این منظور است.

🔹 الگوریتم LRU داده‌هایی که مدت طولانی استفاده نشده‌اند را از کش خارج می‌کند. این الگوریتم معمولاً با ساختارهای داده‌ای مانند لیست‌های پیوندی دوطرفه و هش‌مپ پیاده‌سازی می‌شود. در حافظه‌های مجازی سیستم‌عامل، مرورگرهای وب، دیتابیس‌ها و حتی در سطح CPU (در مدیریت کش L1/L2)، LRU نقش حیاتی دارد. برخی نسخه‌های بهینه‌شده مثل Clock و LIRS برای کاربردهای خاص‌تر استفاده می‌شوند.

⭕️ در هر جایی که داده زیاد و فضا کم باشد، LRU حافظه را از بی‌نظمی نجات می‌دهد.

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🆔 @Barnamenevisan_org

برنامه نویسان | Barnamenevisan

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1.3K viewsJun 15 at 10:01

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برنامه نویسان | Barnamenevisan

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🔴 معماری حافظه‌های LRU؛ مدیریت هوشمند کش‌ها در سیستم‌های مدرن

برنامه نویسان | Barnamenevisan TG
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Telegram Updated: 2025-07-08 00:10:23

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