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Mark and Sweep GC

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The lesson walks through the mark-and-sweep algorithm step by step using an array-of-strings heap layout: the mark phase identifies all live objects, the sweep phase removes de-referenced objects, and heap compaction closes the resulting memory holes to prevent Swiss-cheese fragmentation.

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Previous Module Array Performance Optimizations
This Module The .NET Garbage Collector
Introducing Garbage Collection (GC)
Introducing Garbage Collection (GC)
Mark and Sweep GC
Mark and Sweep GC
Heap Compaction and Object References
Heap Compaction and Object References
Generational Garbage Collection
Generational Garbage Collection
The Small and Large Object Heaps
The Small and Large Object Heaps
GC Performance and Assumptions
GC Performance and Assumptions
GC Memory Layout Strategies
GC Memory Layout Strategies
Next Module Memory Performance Optimizations