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Barriers reconsidered, friendlier still!

Yang, Xi; Blackburn, Stephen; Frampton, Daniel; Hosking, Anthony


Read and write barriers mediate access to the heap allowing the collector to control and monitor mutator actions. For this reason, barriers are a powerful tool in the design of any heap management algorithm, but the prevailing wisdom is that they impose significant costs. However, changes in hardware and workloads make these costs a moving target. Here, we measure the cost of a range of useful barriers on a range of modern hardware and workloads. We confirm some old results and overturn others....[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Conference paper
Source: International Symposium on Memory Management, ISMM
DOI: 10.1145/2426642.2259004


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