Mark and Sweep Garbage Collection | Garbage Collection Series
Автор: InjectFlow Academy
Загружено: 2025-11-18
Просмотров: 94
In this episode, we explore Mark and Sweep, one of the foundational algorithms behind modern garbage collection. After learning how manual memory management and reference counting work, this lesson introduces the first truly automatic way to reclaim unused memory.
🔍 What You’ll Learn
The core idea behind mark-and-sweep GC
What reachability means and why it matters
How the mark phase finds all live objects
How the sweep phase reclaims unused memory
Why this technique avoids common problems like cycles
Trade-offs: pauses, performance costs, and fragmentation
🧠 Why This Algorithm Matters
Mark and Sweep is the basis for many real-world garbage collectors. Even advanced systems like generational GC and concurrent GC build on this idea. Understanding it gives you a deeper intuition about how languages like JavaScript, Python, Java, and Ruby reclaim memory safely.
#education #injectflow #coding #computerscience #ai #educational #educationalvideo #markkandsweep
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