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  1. Proceedings of the 3rd international symposium on Memory management (ISMM '02)
  2. Understanding the connectivity of heap objects
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Applying priorities to memory allocation
Understanding the connectivity of heap objects
Thread-local heaps for Java
An algorithm for parallel incremental compaction
Adaptive caching for demand prepaging
Accurate garbage collection in an uncooperative environment
Reducing pause time of conservative collectors
Visualising the train garbage collector
Heap architectures for concurrent languages using message passing
Using passive object garbage collection algorithms for garbage collection of active objects
An adaptive, region-based allocator for java
Software caching vs. prefetching
Automated discovery of scoped memory regions for real-time Java
Estimating the impact of heap liveness information on space consumption in Java
Dynamic memory management for programmable devices
Mostly lock-free malloc
In or out?: putting write barriers in their place

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Thesis

Understanding the connectivity of heap objects

Content Provider ACM Digital Library
Author Hirzel, Martin Diwan, Amer Hind, Michael Henkel, Johannes
Abstract Modern garbage collectors partition the set of heap objects to achieve the best performance. For example, generational garbage collectors partition objects by age and focus their efforts on the youngest objects. Partitioning by age works well for many programs because younger objects usually have short lifetimes and thus garbage collection of young objects is often able to free up many objects. However, generational garbage collectors are typically much less efficient for longer-lived objects, and thus prior work has proposed many enhancements to generational collection.Our work explores whether the connectivity of objects can yield useful partitions or improve existing partitioning schemes. We look at both direct (e.g., object A points to object B) and transitive (e.g., object A is reachable from object B) connectivity. Our results indicate that connectivity correlates strongly with object lifetimes and deathtimes and is therefore likely to be useful for partitioning objects.
Starting Page 36
Ending Page 49
Page Count 14
File Format PDF
ISBN 1581135394
DOI 10.1145/512429.512435
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2002-06-20
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Object lifetimes Connectivity based garbage collection
Content Type Text
Resource Type Article
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