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GC Memory Layout Strategies

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We show how arrays of reference types force millions of small heap objects to migrate through three generations, and why replacing classes with structs collapses them into a single in-line array object on the large object heap. The lesson also briefly previews the finalizer pattern and why finalizers are nearly never needed in practice.

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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