Virtual Compaction in Emery Berger's Research at University of Massachusetts Amherst

May 17, 2025

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Explore the impact of Virtual Compaction on memory management, particularly its role in enhancing memory leak tolerance for C++ applications. Discover how this technique, researched by Berger and his team, holds promise for improving garbage collection effectiveness and memory allocation efficiency. This study delves into the segregation of the heap and the mixed outcomes seen with the approach. Dive into the world of Wild and Crazy VMs and the potential benefits and drawbacks of virtual compaction in the realm of memory management.

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Virtual Compaction in Emery Berger's Research at University of Massachusetts Amherst

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Virtual Compaction Emery Berger University of Massachusetts Amherst TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: AAAAA
Segregated Heap
Awesome
Awful
If Only…
If Only…
If Only…
But…
Back to Awful
But Wait…
Wild and Crazy VM
Wild and Crazy VM
Wild and Crazy VM
Virtual Compaction
Bad
Good
Conclusion • Virtual compaction part of “Plug” • memory leak tolerance for C++ • [Novark, Berger, Zorn] – in preparation • Not yet part of general-purpose allocator • Good for GC?